Merge pull request #1 from LCTT/master

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scusjs 2013-10-13 08:01:46 -07:00
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@ -60,3 +60,5 @@ LCTT的组成
* 2013/09/11 采用github进行翻译协作并开始进行选题翻译。
* 2013/09/16 公开发布了翻译组成立消息后,又有新的成员申请加入了。并从此建立见习成员制度。
* 2013/09/24 鉴于大家使用Github的水平不一容易导致主仓库的一些错误因此换成了常规的fork+PR的模式来进行翻译流程。
* 2013/10/11 根据对LCTT的贡献划分了Core Translators组最先的加入成员是vito-L和tinyeyeser。
* 2013/10/12 取消对LINUX.CN注册用户的依赖在QQ群内、文章内都采用github的注册ID。

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@ -1,21 +1,22 @@
Ubuntu下的三个CD/DVD刻录工具
================================================================================
大约一周前我的朋友向我寻求一些帮助是关于在Ubuntu下有哪些好用的CD/DVD刻录软件。此人本是windows的用户但是由于他使用的Windows软件花费巨大超出他的承受能力因此他开始计划尝试使用Linux系统了。为什么不用那些免费的软件来把你喜欢的电影和音乐刻录到光盘里呢其实windows操作系统中也有免费的替代产品但是既然我的朋友正在走向Linux世界让我们给他一些信息介绍三个可以在Ubuntu Linux系统下使用的免费CD/DVD刻录工具吧。
Ubuntu下的三个好用的CD/DVD刻录工具
==============================
**Brasero Disc Burner**
大约一周前我的朋友向我寻求一些帮助是关于在Ubuntu下有哪些好用的CD/DVD刻录软件。此人本是windows的用户但是由于他使用的Windows软件花费太多了超出他的承受能力因此他开始计划尝试使用Linux系统了。为什么不用那些免费的软件来把你喜欢的电影和音乐刻录到光盘里呢其实windows操作系统中也有免费的替代产品但是既然我的朋友正在走向Linux世界让我们给他一些信息介绍三个可以在Ubuntu Linux系统下使用的免费CD/DVD刻录工具吧。
###Brasero Disc Burner
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/burning_tools1.png)
相信每个Ubuntu的用户都很熟悉Brasero Disc Burner因为它就是Ubuntu Linux系统自带的默认应用程序。Brasero是一个在GNU小组通用公共许可授权下的免费刻录程序。这个软件的优点是它可以支持CD和DVD两种格式。Brasero可以支持单次写入数据DVD任何类型的CD以及所有能够被本地安装的Gstreamer所处理的音频文件(oggflacmp3...)。
相信每个Ubuntu的用户都很熟悉Brasero Disc Burner因为它就是Ubuntu Linux系统自带的默认应用程序。Brasero是一个在GPL协议下发布的免费刻录程序。这个软件的优点是它可以支持CD和DVD两种格式。Brasero可以支持单次写入数据DVD、任何类型的CD并能使用所有的能够被本地安装的Gstreamer处理的音频文件(oggflacmp3...)。
## 功能特点 ##
**功能特点**
**数据 CD/DVD:**
**数据CD/DVD:**
- 支持对光盘内容的编辑 (在文件夹中删除/移动/重命名文件)
- 能够多区段刻录CD/DVD数据
- 自动过滤掉不想要的文件 (隐藏文件,损坏/递归的链接文件不符合Joliet标准的文件...
- 支持多任务
- 支持实时刻录CD/DVD数据
- 自动过滤掉不合适的文件 (隐藏文件,损坏/递归的链接文件不符合Joliet标准的文件...
- 支持多区段刻录
- 支持Joliet扩展
- 能将光盘镜像写入到硬盘中
- 能够检查光盘文件完整性
@ -29,9 +30,9 @@ Ubuntu下的三个CD/DVD刻录工具
- 能够在已删除的文件夹内查询音频文件
- 在曲目间完全无噪音的编辑
你可以在[here][1]读到完整的功能列表。
你可以在[这里][1]读到完整的功能列表。
**K3b**
###K3b
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/burning_tools2.png)
@ -39,21 +40,21 @@ K3b是另一个能够完成大多数CD/DVD刻录任务的免费工具。这个
该软件包含三个基本部分:
项目:
**项目:**
项目可以从文件菜单中创建,并且可以放入待刻录的数据
工具:
**工具:**
工具菜单内提供各种工具比如CD复制或者DVD格式化。
根据不同任务提供相关的媒体工具:
**根据不同任务提供相关的媒体工具:**
当点击代表CD/DVD的驱动器图标时K3b会展示出相关内容并允许做一些更进一步的操作。比如翻录音频CD。
K3b能够把MP3和OGG的文件自动重命名为“艺术家-标题.mp3”这样的通用格式可以通过托拽来刻录数据CD或者ISO镜像可以创建eMovix格式的CD/DVD能够把音频光碟翻录成任意CD数据库所支持的格式……这些还只是K3b的部分功能。你可以从[这里][2]阅读更多有关它的功能的资料。
**Xfburn**
###Xfburn
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/burning_tools3.png)
@ -61,17 +62,18 @@ Xfburn是另一个能够刻录CD/DVD的工具它可以很好的运行在Xfce
**提醒**Xfburn 目前还在开发中,因此一些功能尚不具备,但是对于刻录数据来讲,它已经是一个非常好的工具了。
--------------------------------------------------------------------------------
----
via: http://www.unixmen.com/3-good-cd-dvd-burning-tools-ubuntu/
本文由 [LCTT][] 原创翻译,[Linux中国][] 荣誉推出
译者:[译者ID][markvv] 校对:[Caroline][]
译者:[markvv][] 校对:[Caroline][]
[LCTT]:https://github.com/LCTT/TranslateProject
[Linux中国]:http://linux.cn/portal.php
[译者ID]:http://linux.cn/space/markvv
[markvv]:http://linux.cn/space/markvv
[Caroline]:http://linux.cn/space/14763
[1]:https://projects.gnome.org/brasero/

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@ -1,10 +1,11 @@
爱的初体验!第二弹!多图! —— GNOME 3.10体验环境Arch Linux
================================================================================
**经过2周左右的测试Arch Linux开发者们今天早些时候10月7日在稳定频道发布了GNOME3.10桌面环境用户们终于可以升级使用了6个月之久的GNOME 3.8了。**
======================================================
**经过2周左右的测试Arch Linux开发者们今天早些时候10月7日在稳定频道发布了GNOME3.10桌面环境用户们终于可以升级他们已经使用了6个月之久的GNOME 3.8了。**
作为其中一名用户我非常高兴在我的Arch Linux机子上进行了一次纯粹的GNOME 3.10体验。同时我可以非常骄傲的说GNOME 3.10桌面环境运行得非常好,而且界面美观,就像期待中的一样棒!
首先我想提醒大家早在上个月9月25号GNOME项目就已经对3.10版的发布进行了官方声明,这些天来,我一直对声明中介绍的新特性充满兴奋与期待。
首先我想提醒大家早在上个月9月25号GNOME项目组就已经宣告发布了3.10版的,这些天来,我一直对发布公告中介绍的新特性充满兴奋与期待。
如果你也正在使用Arch Linux与GNOME作为你的主要桌面环境那么现在你只需要在终端中输入命令“sudo pacman -Syu”就可以将GNOME更新至3.10版本。别忘了重启电脑后,更新才能生效哦~
@ -40,14 +41,10 @@
via: http://news.softpedia.com/news/First-Look-at-GNOME-3-10-on-Arch-Linux-389114.shtml
本文由 [LCTT][] 原创翻译,[Linux中国][] 荣誉推出
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](http://linux.cn/) 荣誉推出
译者:[Mr小眼儿][] 校对:[校对者ID][]
译者:[tinyeyeser](https://github.com/tinyeyeser) 校对:[wxy](https://github.com/wxy)
[LCTT]:https://github.com/LCTT/TranslateProject
[Linux中国]:http://linux.cn/portal.php
[Mr小眼儿]:http://linux.cn/space/14801
[校对者ID]:http://linux.cn/space/校对者ID
[1]:http://news.softpedia.com/news/GNOME-3-10-Brings-Maps-Music-and-GNOME-Software-Apps-386048.shtml
[2]:http://news.softpedia.com/news/GNOME-3-10-Introduces-Its-Own-Software-Center-386202.shtml

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爱的初体验 —— Semplice Linux 5
================================================================================
=========================
[Semplice][1] 是一个基于Debian GNU/Linux项目的Linux发行版基于Debian不稳定分支构建。开发者使用不稳定仓库中的软件包并通过一个自定义图形界面安装程序将这些软件包加以整合。[项目官网][2]介绍说该Semplice不但支持加密LVM卷而且整合了Openbox窗口管理器并始终专注于更加快速、轻便的资源“简约不简单”。该发行版目前支持32位、64位ISO镜像下载体积大概620MB左右。
从LiveCD启动后可以看到一个图形界面窗口它包括3个标签页分别用来设置键盘布局、系统语言和所在时区。确认上述设置正确无误后关闭窗口就可以看到Openbox界面那明亮的蓝色背景了。在显示器底部我们发现了一个任务切换界面和一个系统托盘。点击鼠标右键可以呼出程序菜单菜单顶部其中一项就是系统安装程序的入口。
@ -7,20 +8,22 @@
![](http://distrowatch.com/images/screenshots/semplice-5-web.png)
Semplice Linux 5 —— 访问项目官网截图大小398KB分辨率1280x960
Semplice的系统安装程序同样为图形化界面。程序界面友好引导步骤也比较清晰。首先程序会请求我们确认刚才设置的语言、键盘和时区然后会询问是否要检测安装程序有无更新我很负责任的选择了“是”它竟然真的联网找到了自己的新版本于是我又下载更新安装程序自动重启执行更新……作者你是话唠吗接下来程序要求我们创建一个用户账户同时提供了是否激活root账户的选项。Semplice默认是将第一个用户账户作为sudo管理员同时禁用root账户的。尽管如此我们仍然可以激活root账户再给它设置一个密码。然后来到磁盘分区界面程序自动帮我们完成了一套分区建议当然你也可以选择自己手动分区。
Semplice的系统安装程序同样为图形化界面。程序界面友好引导步骤也比较清晰。首先程序会让我们确认首选的语言、键盘和时区然后会询问是否要检测安装程序有无更新我很负责任的选择了“是”它竟然真的联网找到了自己的新版本于是我又下载更新安装程序自动重启执行更新……作者你是话唠吗接下来程序要求我们创建一个用户账户同时提供了是否激活root账户的选项。Semplice默认是将第一个用户账户作为sudo管理员同时禁用root账户的。尽管如此我们仍然可以激活root账户再给它设置一个密码。然后来到磁盘分区界面程序自动帮我们完成了一套分区建议当然你也可以选择自己手动分区。
这里我发现手动分区会有点尴尬主要是由于屏幕的布局。另外我还发现当我尝试建立LVM卷的时候程序却并不允许一个对话框会让我输入卷的名称但是它的“OK”按钮却无法点击着实让人纳闷。文件系统还是传统的几个ext2/3/4和ReiserFS分区之后它会询问是否要安装GRUB以上步骤都完成后最后一步需要我们选择是否开启一些功能与服务然后就开始正式安装了。安装的同时安装程序会询问我们是否需要一些额外的工具例如蓝牙支持、打印机、生产套件、桌面特效、Web应用以及专有软件包如果你选择需要程序就会自动将它们拷贝至本地磁盘。整个安装过程只需要几分钟安装完毕后需要重启电脑。
除了基本所需的文本编辑器、计算器、图像浏览、文件管理与档案管理外Semplice Linux发行版还预装了很多有用的软件例如Chromium浏览器、Claws Mail邮件客户端、XChat IRC以及Pidgin等聊天软件。另外下载软件有gFTP和uGet文档处理有GNU Paint、AbiWord、Gnumeric娱乐播放有MPlayer、Exaile刻录工具有xfburn游戏子菜单下还有一个Tetris的副本拷贝
除了基本所需的文本编辑器、计算器、图像浏览、文件管理与档案管理外Semplice Linux发行版还预装了很多有用的软件例如Chromium浏览器、Claws Mail邮件客户端、XChat IRC以及Pidgin等聊天软件。另外下载软件有gFTP和uGet文档处理有GNU Paint、AbiWord、Gnumeric娱乐播放有MPlayer、Exaile刻录工具有xfburn游戏子菜单下还有一个Tetris。
程序菜单中还有许多有用的配置工具通过这些工具用户可以对网络设置、系统服务、用户账户等进行轻松配置。同时系统还提供了程序对Openbox窗口管理器进行管理。在Web应用部分用户可以以最简方式打开一个web浏览器用来访问Twitter和Facebook。系统还提供了前往Semplice项目官网的快捷方式。通过深度挖掘我发现Semplice具有一整套完备的多媒体编码解码器和Adobe Flash插件。系统默认采用的是安全shell服务(OpenSSH)。我还发现系统预装了GNU编译工具集。而在内核方面Semplice采用3.10版本,能够保证以上各个工具软件正常运行。
![](http://distrowatch.com/images/screenshots/semplice-5-apps.png)
Semplice Linux 5 —— 运行各种桌面程序截图大小241KB分辨率1280x960
使用Semplice工作的过程中我也遇到了一些小问题。比如当我在虚拟终端运行“top”进程监视器的时候窗口顶端的系统统计信息会无故消失稍微折腾了一番我发现原来是因为虚拟终端的颜色配置导致了文字不可见。但是当我修改主颜色一段时间以后下一次我再打开一个终端主题颜色又回到了以前的默认值。如此反复每次关闭终端后我的设置总会丢失。丢失设置的另一个表现是之前安装过程中配置好的一些服务也失效了包括蓝牙、打印机支持、Web应用和其他一些项目。
使用Semplice工作的过程中我也遇到了一些小问题。比如当我在虚拟终端运行“top”进程监视器的时候窗口顶端的系统统计信息会无故消失稍微折腾了一番我发现原来是因为虚拟终端的颜色配置导致了文字不可见。但是当我修改主颜色一段时间以后下一次我再打开一个终端主题颜色又回到了以前的默认值。如此反复每次关闭终端后我的设置总会丢失。丢失设置的另一个表现是之前安装过程中配置好的一些服务也失效了包括蓝牙、打印机支持、Web应用和其他一些项目。
当时我告诉安装程序不要安装蓝牙和打印软件但是后来我在服务管理器里还是看到了它俩在活蹦乱跳地运行着。第三个奇怪的问题是当我尝试连接安全shell服务的时候总是被告知连接丢失被重置很快我发现问题原因是由于系统根本就木有生成OpenSSH所需的主机密钥。当我手动生成这些密钥后就可以使用安全Shell服务了。
当时我告诉安装程序不要安装蓝牙和打印软件,但是后来我在服务管理器里还是看到了它俩在活蹦乱跳地运行着。
第三个奇怪的问题是当我尝试连接SSH服务的时候总是被告知连接丢失被重置很快我发现问题原因是由于系统根本就木有生成OpenSSH所需的主机密钥。当我手动生成这些密钥后就可以使用安全Shell服务了。
新立德Synaptic作为通用软件包管理器负责Semplice发行版软件包的管理与更新。通常功能强大的软件包管理器难以兼顾漂亮的外观但新立德做到了。它允许用户创建一系列行为动作并且执行迅速执行的同时还能显示详细的细节信息。Linux发行版一般会从一些不同的软件仓库获取软件Semplice默认是从Debian的不稳定分支仓库以及其他一些Semplice的自定义仓库中获取。当我初次安装好Semplice的时候就有137个更新等着我下载安装体积总共达到了135MB。一周下来我总共安装了超过200个更新体积超过200MB。Semplice不愧是基于Debian的不稳定分支不但更新速度超快而且采用的都是快速更新的前沿软件包。
@ -39,14 +42,10 @@ Semplice Linux 5 —— 管理软件包与服务截图大小299KB分辨率
via: http://distrowatch.com/weekly.php?issue=20131007
本文由 [LCTT][] 原创翻译,[Linux中国][] 荣誉推出
译者:[Mr小眼儿][] 校对:[校对者ID][]
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](http://linux.cn/) 荣誉推出
[LCTT]:https://github.com/LCTT/TranslateProject
[Linux中国]:http://linux.cn/portal.php
[Mr小眼儿]:http://linux.cn/space/14801
[校对者ID]:http://linux.cn/space/校对者ID
译者:[tinyeyeser](https://github.com/tinyeyeser) 校对:[wxy](https://github.com/wxy)
[1]:http://distrowatch.com/semplice
[2]:http://semplice-linux.org/

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@ -1,5 +1,5 @@
在Ubuntu中安装Cinnamon 1.8
-----
=======================
在[之前的一些文章][1]中我们已经讨论过[Cinnamon][2]和[Nemo文件管理器][3]是什么,但是如果你仍然不了解,请读下文:
@ -11,7 +11,7 @@ Cinnamon是由[Linux Mint][4]团队最初为Linux Mint开发的一款桌面环
Cinnamon1.8包含了这些新功能,包括 Screensaver屏幕保护程序Cinnamon Control CenterCinnamon控制中心[等等][5].
**安装Cinnamon**
###安装Cinnamon
打开终端输入以下命令:
@ -21,17 +21,17 @@ Cinnamon1.8包含了这些新功能,包括 Screensaver屏幕保护程序
安装Cinnamon和Nemo文件管理器成功后注销或重启你的系统。
点击你 **用户名右上角** 的**Ubuntu** 图标。你应该能看到 **Cinnamon** 和其他桌面环境。
点击你 **用户名右上角** **Ubuntu** 图标。你应该能看到 **Cinnamon** 和其他桌面环境。
选择 **Cinnamon** 并登录。
应该有这样一个桌面。
就有了这样一个桌面。
![](https://github-camo.global.ssl.fastly.net/a84acd175edc8982cc13ad0cdc49478188b96405/687474703a2f2f3138303031363938382e722e63646e37372e6e65742f77702d636f6e74656e742f75706c6f6164732f323031332f31302f63696e6e616d6f6e5f315f385f756e69786d656e2e706e67 )
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/cinnamon_1_8_unixmen.png )
查看已打开菜单的Cinnamon 1.8桌面。
_查看已打开菜单的Cinnamon 1.8桌面_
--------------------------------------------------------------------------------
-------
via: http://www.unixmen.com/install-cinnamon-1-8-ubuntu-13-04/

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RHEL6.5 Beta版支持程控制Windows 8系统
RHEL6.5 Beta版支持程控制Windows 8系统
===================================
Red Hat已经宣布向所有客户和合作伙伴发布RHEL6.5 Beta版本
**Red Hat已经宣布向所有客户和合作伙伴发布RHEL6.5 Beta版本**
RHEL6.5包含对已有特性的各种升级,以及在订阅管理服务(Subscription Management Services)、可扩展性scalability、网络、存储、虚拟化、安全等方面提供新的功能。
以下翻译自[官方文档][1]中的一段:
> 为了跟上企业级架构的要求,最新版本提升了其可扩展性和易管理性的能力,以满足企业在横向扩展(build-out)的需求和管理庞大复杂的IT环境的需求。
> 举个例子RHEL6.5通过优化SAP的配置从而简化了对关键性业务SAP的操作。
> “为了跟上企业级架构的要求,最新版本提升了其可扩展性和易管理性的能力,以满足企业在横向扩展(build-out)的需求和管理庞大复杂的IT环境的需求。”
> “举个例子RHEL6.5通过优化SAP的配置从而简化了对关键性业务SAP的操作。”
官方文档介绍RHEL6.5完整集成了订阅管理服务,此服务在管理本地系统及其订阅服务方面非常有用。
@ -24,13 +25,8 @@ LibreOffice升级到4.0分支版本。众所周知RHEL吸收的产品无一
via: http://news.softpedia.com/news/Red-Hat-Enterprise-Linux-6-5-Beta-Can-Control-Windows-8-Installations-389761.shtml
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[1]:http://www.redhat.com/about/news/archive/2013/10/latest-beta-release-of-red-hat-enterprise-linux-6-now-available

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屌丝专用Linux迷你电脑 —— Utilite
================================================================================
===========================
同学们好~
除了完成日常工作有时需要测试或使用某一个Linux发行版的时候我们通常使用虚拟机但这并不是最好的解决方案你们是否听过Linux迷你电脑**Utilite**呢?
@ -8,7 +9,7 @@
对于正在寻找一款Linux迷你电脑同时却囊中羞涩的同学来说Utilite是一个非常棒的选择。这款设备由Compulab研发Compulab同时还是MintBox的制造商。Mintbox就是一款运行Linux Mint操作系统的小型电脑盒子。基于ARM的Utilite售价仅为**99美刀**,性价比出色!
**[Utilite][1]**标准版配置为**2G内存**、**4G存储容量**支持micro-SD扩展卡。支持搭载Ubuntu或Android系统。如果你愿意还可以购买升级版**双核处理器**、**2G内存**、**8G存储**以及micro-SD扩展卡支持。这款设备是该公司第一款基于ARM模型的产品采用Freescale的i.MX6系列处理器。在我看来如果买不起昂贵的硬件这是运行Ubuntu和其他GNU/Linux操作系统的最佳方法。
**[Utilite][1]**标准版配置为**2G内存**、**4G存储容量**支持micro-SD扩展卡。支持搭载Ubuntu或Android系统。如果你愿意还可以购买升级版**双核处理器**、**2G内存**、**8G存储** 以及micro-SD扩展卡支持。这款设备是该公司第一款基于ARM架构的产品采用Freescale的i.MX6系列处理器。在我看来如果买不起昂贵的硬件这是运行Ubuntu和其他GNU/Linux操作系统的最佳方法。
Utilite有单核、双核、四核多个处理器方案支持HDMI+DVI双接口2倍Gbe千兆以太网支持WiFi和蓝牙。除了标准版和升级版Utilite还提供了专业版配备四核处理器、2G内存、32G存储下面是专业版的配置
@ -18,7 +19,7 @@ Utilite有单核、双核、四核多个处理器方案支持HDMI+DVI双接
- WiFi
- Bluetooth
如配置中所示这款迷你电脑还支持2千兆以太网PDIF音频输出、立体声音频插孔和RS232系列端口。Utilite的另一个巨大优势是耗电量非常低只有3-8瓦。
如配置中所示这款迷你电脑还支持2千兆以太网PDIF音频输出、立体声音频插孔和RS232系列端口。Utilite的另一个巨大优势是耗电量非常低只有3-8瓦。
各位屌丝买不起土豪金要不来一个Utilite试试~?玩好了还可以推荐给你的女神哦~
@ -26,13 +27,9 @@ Utilite有单核、双核、四核多个处理器方案支持HDMI+DVI双接
via: http://www.unixmen.com/utilite-linux-mini-pc/
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[1]:http://utilite-computer.com/web/home

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Ubuntu Touch: Ubuntu智能手机OS已准备就绪
===================================
Ubuntu Touch 操作系统将可以在Galaxy NexusNexus 4Nexus 7和Nexus 10这些支持设备上正常使用。其预定于10月17日发布。
一位Canonical员工在他的博客中写到
> “截至今日正好是我们发布Saucy Salamand(13.04)整一个月。作为那次发行版的一部分Ubuntu将要发布的ubuntu-touch镜像文件可以安装在所支持的设备上。如果你有一款支持的设备我鼓励你加入这次体验你想要了解的一切都可以在它的wiki中找到。你需要一个nexus设备并且需要花点时间下载最新的镜像。如果你发现漏洞请及时报告wiki中有帮助链接。”
你有nexus设备吗如果有的话那么你将成为助力Ubuntu touch成为最好操作系统的最佳人选。即使你没有nexus设备你仍可以通过创建漏洞修复的自动化测试来提供自己的帮助作出自己的贡献使漏洞不再出现。分享就是一种关怀这是使世界更加美好的唯一途径。
Nicholas Skaggs也写道QA团队致力于测试每一个稳定发行版对新功能和特定的软件包集合进行深入测试。你可以在这里阅读更多邮件内容。
Ubuntu已经发布了他自己的显示服务器——Mir——它将替换古典而运行缓慢的X-Window。此外Canonical 也扩展了Ubuntu dash search让用户可以在本地搜索Facebook、Yelp、Google Drive及其他几十种服务。
---
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用Python来SSH连接到你的机器
=======================
是时间写点python代码了。我爱自动化的东西今天我将告诉大家怎么**使用python通过ssh**连接你的机器并在上面运行命令。这并不难但是用python来做也不是很简单因为要用很多模块和库来完成这个任务。 你是不是很好奇本教程将会使用什么模块呢?
我们将使用Python中 pexpect 模块的 pxssh 类它用于处理一些自动化的需求比如ssh和ftp。想使你的系统管理生活尽可能的简单吗那么请关注本教程并且尝试尽可能多的学习吧。OKOK看我这里下面我将给出关于pxssh的一些简单的描述。你也可以在python的交互shell导入pxssh 后键入help(pxssh)以得到更多关于pxssh的信息。
###pxssh介绍
pxssh 基于pexpect。它是pexpect.spawn的扩展类专门用来建立SSH连接。我经常使用python的pxssh进行ssh连接。 pxssh 使用shell提示符从远程主机来同步输出。为了使这更牛x它把shell提示符设置的比$或#还独特。这应该可以在大多数Borne/bash或csh shell上工作。
你可以在[这里][1]看到更多关于pxssh。
现在开始吧。
第一步,我们导入所有需要的东西,并且给机器详情分配变量,就像图解1.
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/ssh1.png)
图解 1
之后我们创建一个函数使用pxssh创建并开始一个到ssh服务器的连接。
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/ssh2.png)
图解 2
请仔细学习我们是是怎么用try和except来处理错误的.在这里可以阅读更多关于python的错误处理.
下一步是什么?
下一步是在两个机器间的ssh连接建立之后创建一个函数来给机器发送命令.
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/ssh3.png)
图解 3
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/ssh4.png)
图解 4
关闭文件并保存它. 现在它已经准备好可以运行了.
--------------------------------------------------------------------------------
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Valve 星期一揭示进军Linux的首要工作
Valve 揭示进军Linux的首要工作
==============================
在星期一Valve匆匆建起一个预报信息的网站,承诺将发布新信息。
在星期一Valve匆匆建起一个预报信息的网站,承诺将发布新信息。
![](http://media.bestofmicro.com/xi3-valve-piston-steambox,1-F-375891-1.jpg)
仅仅在Gabe Newell暗示可能在下周揭示 Steam Box 几天之后,[Valve软件在星期五发送了这条链接][1]表示Steam Universe 会在2014年进行扩展。在标题下方放置的是一个大屏的HDTV和一个炫目的网站门户--背景看起来像一个深蓝色的眼在其下方有三个较小的门户其中一个有一个倒计时器在写这篇报道时还剩71个小时
“去年,我们发布了一个软件特征称作大屏幕,是一款为电视机和游戏控制器定制的用户接口,”这家公司表示,“今年,我们一直在努力找到更多方法来满足那些想把 Steam 搬到客厅的用户的需求。
我们很快就将让您加入到我们的设计过程中,让您来帮助我们构建 Steam 的未来。”
“去年,我们发布了一个软件特征称作大屏幕,是一款为电视机和游戏控制器定制的用户接口,”这家公司表示,“今年,我们一直在努力找到更多方法来满足那些想把 Steam 搬到客厅的用户的需求。“我们很快就将让您加入到我们的设计过程中,让您来帮助我们构建 Steam 的未来。”
Valve在邮件中说道公司将谈到为促使 Steam 在电视机和客厅更易访问而正在进行的一系列步骤。根据网站第一个门户上的倒计时,首份通告会在星期一上午发布。也就是说,收藏这个链接以便在下周伊始可以看到公司店里有什么稀奇事物。
@ -15,7 +15,7 @@ Valve在邮件中说道公司将谈到为促使 Steam 在电视机和客厅
二月份 Valve 发行了一款单机版 Linux客户端并添加了198个游戏到其Linux库中充分证明了Valve 对 Linux 的尽心尽力。然而Newell演示了在客厅Linux是怎样利消除带专有软件的硬件的复杂性的暗示了基于Linux的 Stream Box 的可能性。游戏玩家希望他们的系统简单而且不会长期固定在特定的硬件上。
他指出将 Steam 领入Linux“是给我们的开发合作伙伴的一个信号,说明我们对正在讨论的 Linux 事项是认真的。” 公司同时还在为LLDB调试器项目提供资金并且正合作开发另外一个调试器。当前[Linux游戏帐号还少于市场份额的1%][3]包括游戏玩家数、游戏时间和收益。Valve想要改变这一状况。
他指出将 Steam 引入到Linux“是给我们的开发合作伙伴的一个信号,说明我们对正在讨论的 Linux 事项是认真的。” 公司同时还在为LLDB调试器项目提供资金并且正合作开发另外一个调试器。当前[Linux游戏帐号还少于市场份额的1%][3]包括游戏玩家数、游戏时间和收益。Valve想要改变这一状况。
“到此为止感觉有些有趣伙计们告诉你们Linux和开源将会是游戏的未来”Newell在走上台之后说。“有点像到罗马将给教皇教授天主教忍受一下我吧。”
@ -26,10 +26,6 @@ Valve在邮件中说道公司将谈到为促使 Steam 在电视机和客厅
期待星期一。
---
via: http://www.tomshardware.com/news/valve-gabe-newell-steam-box-linux-monday,24342.html

8
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---
via:
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@ -20,14 +20,9 @@ Juju Charm Championship is fully open for participation to every developer posse
via: http://iloveubuntu.net/10000-prize-category-juju-charm-championship-enters-its-last-two-weeks
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Are We Witnessing the Decline of Ubuntu?
========================================
History is written years after the events it describes. But when the history of free software finally is written, I am increasingly convinced that this last year will be noted as the start of the decline of Ubuntu.
At first, the idea might seem ridiculous or spiteful. You can still find Ubuntu enthusiasts who exclaim over every move the distribution makes, and journalists still report founder Mark Shuttleworth's every word uncritically.
Community manager Jono Bacon is working hard to develop a community of app developers for the Ubuntu Touch mobile operating system, and occasionally Ubuntu's commercial arm Canonical announces prestige projects such as working with the Chinese government to develop a [national Chinese operating system][1], or being chosen to deliver the [Steam][2] gaming platform to Linux.
Nor can you deduce too much from the fact that Google trend shows a sharp decline in searches for "[Ubuntu][3]." Except for Android and Mageia, the same can be said of other [major distributions][4]. It is true, though, that none of the other distros have declined as sharply as Ubuntu, which is at less than half its height in October 2007, at a low that it has not been at since June 2006.
All the same, the suspicion remains. Ubuntu and Canonical have isolated themselves from the free software community that Shuttleworth once hoped to lead. In the last year, the community has signaled repeatedly that at least parts of it feel disempowered.
Worst of all, in the last year, initiative after initiative has failed, and profitability apparently continues to elude Canonical. All these seem like indicators of organizations that are starting into a tailspin that will be difficult to correct, assuming they are correctable at all.
###Semi-Splendid Isolation
The last year is a marked contrast to the first years of Ubuntu. In 2005-2007, Ubuntu was the latest and greatest hope for the Linux desktop, and criticism was limited largely to those who felt that Debian was not given enough credit or distrusted the motives of an eccentric millionaire.
In those early years, Ubuntu did many things to improve usability on the desktop. Probably the most noticeable was the installed support for multiple languages and keyboard locale switching that are now standard in all major distributions.
Gradually, however, Ubuntu and Canonical began to isolate themselves from the mainstream of the free software community. Shuttleworth's proposals that projects coordinate their releases and emphasize usability were largely ignored. Impatient with the speed of development in GNOME -- and, perhaps, seen as an upstart in the GNOME community -- Shuttleworth began the development of the Unity interface, a design project that intrigued him so much that he stepped down as Canonical CEO to oversee it.
Unity and all its details quickly became the major focus of new Ubuntu releases. If the package versions were sometimes less up to date as they once were, few noticed as Canonical imposed change after change, effectively giving the design team a veto over the Ubuntu community.
Yet for all the development effort lavished on Unity, the result was an interface that, for all its eye candy, was better suited for mobile devices than workstations or laptops. According to Distrowatch, only [11 distributions][4] default to Unity, although [79][5] are listed as derived from Ubuntu in general. Nor have other major distributions rushed to make Unity available, much less promote it.
The same is true of [Upstart][6], Ubuntu's replacement for the init daemon, and more recently, [Mir][7], Ubuntu's replacement for Wayland, which other projects see as the upcoming replacement for the X Window System.
While both remain free-licensed, in practice both Upstart and Mir are controlled by Canonical, mainly through a [contributor's agreement][8] which assigns all rights to the company.
This control is perhaps one of the reasons why Intel recently [announced][9] that it would not be supporting Mir. In the last four years, Ubuntu and Canonical have gone from welcome members of the free software community to being perceived as mavericks who obey the letter of free-licenses while undermining their spirit. Few, apparently, are prepared to do them any favors.
###Placing Its Own House Out of Order
The more Canonical has isolated itself from the rest of the community, the more it has also attempted to control the Ubuntu community.
This effort is widely interpreted as the result of increasingly determined efforts to make Canonical profitable. Although Canonical is quick to make support and partnership announcements, [these announcements][10] are always lacking any mention of a monetary value -- an omission that, after nine years of running the business, would seem unthinkable if there was any good news to report. But, whatever the reason, Canonical has increasingly imposed its decisions on the community of Ubuntu volunteers without consulting them.
Many of these decisions have been trivial in themselves. They range from decisions not to support a completely free-licensed version of Ubuntu or a KDE-based version to the repositioning of title bar icons and the introduction of the [HUD][11] menu replacement.
However, as in many disputes, the issues involved seem less important than the relationships involved. Unlike Canonical, Ubuntu on a daily basis runs much like any free software project, with discussion and consultation the expected norm. The introduction of a hierarchy with Canonical employees at the top and often wielding a veto power would be likely to cause friction even if done politely -- which, often, it has not been. Instead of welcoming debate, Canonical has been far more apt to urge people to stifle it in the name of making Ubuntu a success.
Matters came to a head in February 2013, with long-time Ubuntu contributors publicly questioning whether they had any role and many considering quitting (although in practice, only one seems to have).
These first signs of discontent were quieted largely through the diplomatic efforts of Jono Bacon, only to flare up a couple of months later over the [removal of a community link][11] from the Ubuntu home page.
Again, Bacon managed to smooth things over, and -- so far as an outsider can tell -- the community has been quiet in the months since. However, the longstanding community grievances are unlikely to have disappeared altogether, for the simple reason that Canonical continues to ignore much of the Ubuntu community. A new outburst seems only a matter of time.
###Lost without a Compass
Whether Canonical ever believed that the Ubuntu distribution could be profitable is unknown. Certainly, over a dozen earlier efforts to monetize distributions should have warned the company how unlikely the possibility was. But the years spent polishing Ubuntu suggest that Canonical hopes -- or hoped -- to do the impossible. Or perhaps Canonical simply sees a quality distribution as a pre-requisite to grander goals.
Either way, spending so much effort on Unity seems to have been a distraction. To this day, Canonical appears to lack a business plan that offers any reasonable chance of profitability.
To some undocumented extent, efforts like online storage, a music store, or corporate ads in the dash may be defraying the costs of developing Ubuntu. However, if together they make Ubuntu profitable, no one is mentioning the fact. Attempts to cut corners by holding developer's meetings online rather than in person suggest a company that is finding ways to cut corners, not one making a profit.
Just as important, these efforts can create other problems. In particular, the ads on the dash lead to concerns about privacy and to being called spyware by [Richard Stallman][12]. The ads were also a major prompt for community unrest.
Yet Canonical has taken over a year to [address the privacy concerns][13] -- and, even then, the lack of details means that it is asking users to trust it.
Other sidelines, like [Ubuntu TV][14], have yet to materialize. Currently, Ubuntu's main strategy seems to be convergence on multiple form factors, but the advisability of trying to break into a saturated market seems dubious. The Ubuntu Touch interface is scheduled to be released in October with the 13.10 environment, but if any phone manufacturers are shipping products with it pre-installed, then Canonical is saving the announcements for the release date.
Even worse was the [Ubuntu Edge][15] fundraiser, an attempt to crowdfund a cutting edge boutique phone. Had it worked, then Canonical might have established a small niche in the marketplace.
However, in the end, only forty percent of its $32 million goal was reached. Canonical tried to put a good face on the results, mainly because of the publicity the crowdfunding campaigned produced. But since the result now mean that Canonical has a reputation for failure among potential business partners, the rationale is hard to accept. The failure of Ubuntu Edge has left Canonical's business plans more indefinite and more unlikely than ever.
###Waiting for the Next Act
All this is not to say that either Canonical and Ubuntu are about to disappear overnight. Any decline is just beginning, not at the point of no return. The introduction of new faces, or even determined internal reform could still turn Canonical and Ubuntu around. Perhaps listening to the Ubuntu community would be useful as well.
Still, the problem remains that, after nine years, Canonical and Ubuntu have yet to succeed. Major contributors to the Linux desktop in their early years, they have not even helped themselves with recent innovations, let alone free software in general. Increasingly, the general impression is one of confusion and desperation, which in itself can contribute to the decline.
Even without reform, Ubuntu and Canonical may continue to glide on their previous reputations, although the Ubuntu Edge campaign suggests that may be less possible as many imagine. But increasingly, Canonical and Ubuntu seem to have been slipping from the position of leadership they had in their earliest years.
Whether they can reverse their decline or merely accelerate it by panicky half-measures is uncertain, but watching the possibilities play out should make for an interesting next couple of years.
via: http://www.datamation.com/open-source/are-we-witnessing-the-decline-of-ubuntu-1.html
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[1]:http://www.canonical.com/content/canonical-and-chinese-standards-body-announce-ubuntu-collaboration
[2]:http://games.slashdot.org/story/13/02/14/2318247/valve-officially-launches-steam-for-linux
[3]:https://www.google.com/trends/explore?q=Ubuntu#q=Ubuntu%2C%20Canonical&cmpt=q
[4]:http://distrowatch.com/search.php?ostype=All&category=All&origin=All&basedon=All&notbasedon=None&desktop=Unity&architecture=All&status=Active
[5]:http://distrowatch.com/search.php?ostype=All&category=All&origin=All&basedon=Ubuntu&notbasedon=None&desktop=All&architecture=All&status=Active
[6]:http://en.wikipedia.org/wiki/Upstart
[7]:http://en.wikipedia.org/wiki/Mir_%28software%29
[8]:http://www.canonical.com/contributors
[9]:http://arstechnica.com/information-technology/2013/09/intel-rejection-of-ubuntus-mir-patch-forces-canonical-to-go-own-way/
[10]:http://www.canonical.com/about-canonical/news-and-events
[11]:https://wiki.ubuntu.com/Unity/HUD
[12]:https://www.fsf.org/blogs/rms/ubuntu-spyware-what-to-do
[13]:http://iloveubuntu.net/smart-scopes-anonymize-images-landing-users-dash-privacy-oriented
[14]:http://www.ubuntu.com/tv
[15]:http://www.datamation.com/open-source/ubuntu-edge-canonicals-big-gamble.html

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E-Mail App Geary Gets New Look, New Features
================================================================================
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/Screen-Shot-2013-10-04-at-14.30.29.png)
*All New Look: Geary 0.4 Is Now Available to Download*
Alongside an [update to photo utility Shotwell][1] comes a new version of Geary the popular open-source desktop e-mail app.
Its the first release by Yorba, the team behind the client, since it [failed to make its $100,000 crowdfunding goal][2] back in April.
The lightweight app, a firm favourite of mine for a long time, gains a number of new features in todays update, many of which have long been requested.
Geary now has **per-account searching, auto-saving of draft e-mails and a built-in security tool** that checks outgoing links for malicious content.
The look of the app, which has always put focus on mail first and chrome second, has also been updated.
The sidebar, which now displays an **unread count per folder**, uses a new set of monochrome icons for accounts and folders; the toolbar has been refreshed with new menu buttons.
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/Screen-Shot-2013-10-04-at-14.25.09.png)
*Gearys new menu buttons and sidebar icons*
The e-mail list hides unstarred and read status icons by default, opting to reveal them on mouse-over. When checked, however, they remain visible.
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/Screen-Shot-2013-10-04-at-14.24.23.png)
*Top Bottom: Unread & Starred; Read and Unstarred; Unread*
**Install Geary 0.4 In Ubuntu**
If youre using **Ubuntu 12.10 or 13.04** then you can [grab this release from the Yorba PPA][3].
Open up a new *Terminal window* and enter the following commands:
sudo add-apt-repository ppa:yorba/ppa
sudo apt-get update && sudo apt-get install geary
Ubuntu 13.10 users will find it available in the [Ubuntu Software Center][4].
--------------------------------------------------------------------------------
via: http://www.omgubuntu.co.uk/2013/10/geary-0-4-released-with-new-look-new-features
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[1]:http://www.omgubuntu.co.uk/2013/10/shotwell-0-15-released-fixes-improvements
[2]:http://www.omgubuntu.co.uk/2013/04/geary-fundraiser-fails-at-half-way-mark
[3]:https://launchpad.net/~yorba/+archive/ppa
[4]:apt://geary

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Flower Coil, retro challenging puzzle game (Ubuntu Software Center)翻译中
================================================================================
Flower Coil is a retro game centering a simplistic-yet-enjoyable action, forcing the user to attentively utilize each and each movement, in oder to complete the tasks.
Essentially, the gamer is packed with sliding movements, movements centered on the actor, actor bound by a predefined number of available movements, gaming plot stressing the brain while carefully calculating the next steps.
Flower Coil comes with puzzle and arcade game types, as well as pairing the simplistic bundle of visuals with a vivid alert-like music, the result: launching the game, the user is to harness each second (especially in the arcade mode) and pixel of the screen, in order to become victorious.
Selecting arcade on the main view, adds a more energetic rhythm to the game, action now conducted in relation to a certain time interval, arcade increasing the level of alertness.
![](http://iloveubuntu.net/pictures_me/flower-coil%20%20usc.png)
Flower Coil is freely [available][1] via Ubuntu Software Center.
via: http://iloveubuntu.net/flower-coil-retro-challenging-puzzle-game-ubuntu-software-center
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[1]:apt://flower-coil

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GTK3-based Twitter App Corebird In Development
================================================================================
Corebird is a Twitter app with an interface reminiscent of Twitters [official app](https://itunes.apple.com/gb/app/twitter/id409789998?mt=12%27) for OS X.
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/Screen-Shot-2013-10-11-at-16.46.53.png)
Corebird written by an Arch user has a look and feature set with GNOME 3.10 in mind.
The interface uses GTK3, so itll feel right at home alongside your other GTK-based apps. Corebird makes full use of the new Header Bars that we highlighted in [our top features][2] from the latest GNOME 3.10 release. The header shows your Twitter handle, avatar, and a button to quickly compose a new tweet, consolidating what mightve been a separate toolbar into a single, compact header.
Though the interface may be tuned for GNOME 3.10, the features packed into the app are bound to make friends amongst Twitter addicts using GNOME or otherwise.
## Features ##
Corebird resembles, in some ways, the official Twitter app for Mac (and thats a good thing!) and has the feature set to show for it. Retweet, favourite, follow, search, profile view, conversations, media uploads, and a number of other features are all in working order.
If you manage several accounts, multi-account setups are also supported, though be aware that the latest builds remove configured accounts when you close and reopen the app.
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/corebird_notification.jpg)
*A Corebird notification on the GNOME lock screen.*
Corebird also makes use of notifications on the GNOME lockscreen, displaying the number of Twitter notifications when you make your way back to your computer.
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/corebird_dark.png)
The app comes with both light and dark themes, making it easier on your eyes when Twittering at night. A handful of other settings, including which notifications to display and a toggle for showing inline media, are also available in the compact settings dialog.
## How to Get Corebird ##
If youre still using 13.04, you might be out of luck. Corebird uses new features from GNOME 3.10 that most likely wont make their way to Ubuntu 13.04. If youve upgraded to 13.10 ahead of its release next week, GNOME 3.10 is already available for Saucy in the sundry GNOME 3 PPAs.
Corebird is still in development and a PPA hasnt been made available (though it is currently in the [Arch User Repository][3] if any Arch users have wandered in), so youll need to build Corebird by hand.
The project is a promising sign given the number of other Linux Twitter apps thatve seen their development slow down e.g., Birdie which failed to reach its [crowdfunding goal][5] earlier this summer.
And if Corebird isnt your cup of tea, check out [gFeedline][6]), another GTK3-based Twitter app.
More About Corebird:http://corebird.baedert.org/
--------------------------------------------------------------------------------
via: http://www.omgubuntu.co.uk/2013/10/corebird-twitter-app-gtk3-gnome
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[1]:https://itunes.apple.com/gb/app/twitter/id409789998?mt=12%27
[2]:http://www.omgubuntu.co.uk/2013/09/10-best-features-gnome-3-10
[3]:https://aur.archlinux.org/packages/corebird-git/
[4]:http://www.omgubuntu.co.uk/2013/07/linux-twitter-app-birdie-perches-on-crowdfunding-bandwagon
[5]:http://www.omgubuntu.co.uk/2012/07/is-gfeedline-twitter-app-for-linux-any-good

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How to Install the iOS 7 Icons in Ubuntu 13.04 and Ubuntu 13.10
================================================================================
**This is a small and simple tutorial that will help you install all the Icons from the new iOS 7 operating system from Apple into your Ubuntu 12.04, 13.04, and 13.10.**
![](http://i1-news.softpedia-static.com/images/news2/How-to-Install-the-iOS-7-Icons-in-Ubuntu-13-04-and-Ubuntu-13-10-387709-2.jpg)
The installation of icons might not seem like much, but its actually a very important part of the ecosystem. You wouldn't recognize Ubuntu so easily if Canonical didnt use the same type of icons in every release, with only small differences.
It used to be difficult to install themes, icons, and mouse cursors, but things got a lot easier over the years. To get a new set of icons installed, you only need to run a few commands from a terminal.
Before we begin, you need to heed a small word of caution. The PPA presented in this article will only work for Ubuntu 12.04. This is because this icon set, the only one which correctly replicates the models from iOS 7, is made for elementary OS, which in turn is based on Ubuntu 12.04.
This being said, the icons can also be installed for Ubuntu 13.04 and Ubuntu 13.10, with a slightly different approach.
You will also need another piece of software that must be used to enable the icons. We recommend GNOME Tweak Tool, but there are a few others available if you really wish it.
To install GNOME Tweak Tool just run the following command in a terminal:
sudo apt-get install gnome-tweak-tool
You will find the application in Ubuntu under the name of Tweak Tool.
In order to get the PPA and icon in your Ubuntu 12.04 operating system, you only need to run a few commands in a terminal near you:
sudo add-apt-repository ppa:elementary-br/projects
sudo apt-get update
sudo apt-get install ieos7-icons
For Ubuntu 13.04 and Ubuntu 13.10, you will have to manually download the files and also install it from a terminal:
wget -c https://launchpad.net/~elementary-br/+archive/projects/+files/ieos7-icons_0.1-0~13~ubuntu12.04.1_all.deb
sudo dpkg -i ieos7-icons_0.1-0~13~ubuntu12.04.1_all.deb
If by any chance you will find that the deb installation stops for whatever reason, just run `sudo apt-get install -f` find any dependency issues and finish the job.
This pack only holds about 300 icons, so you might find that a few of the applications on your operating systems still retain the old look.
Enjoy your iOS 7 icons!
--------------------------------------------------------------------------------
via: http://news.softpedia.com/news/How-to-Install-the-iOS-7-Icons-in-Ubuntu-13-04-and-Ubuntu-13-10-387709.shtml
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Installing XScreenSaver In Ubuntu
================================================================================
This tutorial intention is to show you how to add screen savers in Ubuntu 12.04 (although in other Ubuntu versions) which does not with any screen savers. But, many people new to computers and Linux, dont know about the screensaver, what is a screensaver?
A screensaver is a computer program used primarily for security. This program blanks the screen or fills it with moving images or patterns when the computer is not in use. A screensaver can also be used for entertainment or to display system status information. It is a very good solution while you plan to leave your office and dont want anybody to see what you working on.
**How does a screensaver makes my computer secure?**
A screensaver can be configured to ask users for a password before permitting the user to resume work, but be careful because if you have set set your account to automatically log in upon startup the attacker will be able to access your account simply by restarting the machine.
**How to install a screensaver?**
Fire up a new terminal like shown in Figure 1.
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/screen1.png)
Figure 1
Before installing a new screensaver we have to remove the default one. Run the **sudo apt-get remove gnome-screensaver** command shown in Figure 2 to uninstall gnome-screensaver.
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/screen4.png)
Figure 2
Install XScreenSaver and some additional screensaver packages with the following command:
sudo apt-get install xscreensaver xscreensaver-data-extra xscreensaver-gl-extra
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/screen6.png)
Figure 3
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/screen7.png)
Figure 4
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/screen9.png)
Figure 5
XScreenSaver will choose a random screensaver each time it starts. You can learn how to configure it [here][1].
--------------------------------------------------------------------------------
via: http://www.unixmen.com/installing-xscreensaver-ubuntu/
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[1]:http://www.jwz.org/xscreensaver/faq.html

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Mark Shuttleworth Thinks Apple Used the Ubuntu Edge Convergence Idea for iPhone 5S
================================================================================
Canonical's founder, Mark Shuttleworth, has made an interesting statement that ties together the concept of the Ubuntu Egde superphone and the new iPhone 5S.
A couple of months ago, Canonical and Mark Shuttleworth tried to raise money in order to build a phone that was supposed to be the “Formula 1” of mobile devices. It failed, but he thinks that Apple has taken some inspiration from the concept of the Ubuntu Edge.
"I think [Ubuntu Edge] may have accelerated the idea of convergence. You saw Apple's description of their new mobile CPU as 'desktop class' and I don't think that's accidental," he said in an interview for [ZDnet][1].
Canonical's founder may have some inside information thats unavailable to us, but thats an interesting speculation coming from someone who has no interest in drawing gratuitous parallels.
It remains to be seen if Apple follows the convergence path drawn by Canonical's Ubuntu Edge.
--------------------------------------------------------------------------------
via: http://news.softpedia.com/news/Mark-Shuttleworth-Thinks-Apple-Used-the-Ubuntu-Edge-Convergence-Idea-for-iPhone-5S-390507.shtml
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[1]:http://www.zdnet.com/mark-shuttleworth-on-how-the-ubuntu-edge-dream-lives-on-in-the-iphone-7000021857/

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Music App Musique Adds Album Sorting, Gapless Playback and Playlist Tweaks
================================================================================
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/cartoon_clouds_and_blue_sky-wallpaper-1152x864.jpg)
*Sorting Options Features in Musique 1.3 (OS X Screenshot)*
**Its a good week for music fans on Linux. Following the recent update to Banshee comes a new release of the lightweight Qt music player Musique.**
[Musique 1.3][1] builds on the core feature set found in previous versions by adding the much-requested **option to sort artists and albums** in the grid views by name, popularity, year, etc.
Also new in this update is a “reworked” playlist that now shows a small album cover thumbnail for the playing track; notifications on song change; and support for gapless playback for those using the GStreamer Phonon backend.
Various bug fixes are also included, as are performance improvements in the album and artist grids, and a wider selection of image formats for local album art.
Musique 1.3 will be **available from the Ubuntu Software Center in the next few days** (currently waiting on approval).
In the mean time you can install version 1.1 from the Software Center by hitting the button below. Ubuntu will automatically upgrade this to the newest version as soon as its been given the nod.
- [Install Musique 1.1 from the Ubuntu Software Center][2]
--------------------------------------------------------------------------------
via: http://www.omgubuntu.co.uk/2013/10/musique-1-3-update-adds-album-sorting
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[1]:http://flavio.tordini.org/musique-1-3
[2]:apt:musique

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On Security Backdoors
=====================
I [wrote][1] Monday about revelations that the NSA might have been inserting backdoors into security standards. Today I want to talk through two cases where the NSA has been accused of backdooring standards, and use these cases to differentiate between two types of backdoors.
The first case concerns a NIST standard, [SP 800-90A][2], which specifies a type of PseudoRandom Generator (PRG). A PRG is a computation that takes a small number of random/unpredictable bits and “stretches” them to get a larger number of unpredictable bits. PRGs are essential to cryptography, serving as the source for most of the secret keys that are used. If you can “break” somebodys PRG, you can predict which secret keys they will use, thereby allowing you to defeat their crypto.
The standard gave a choice of several core algorithms to choose from. One of them uses a mathematical construct called an Elliptic Curve (EC) which I wont try to explain in this space. This algorithm uses two “public parameters” called P and Q, which are points on the EC. P and Q are public, with specific values written into the standard.
Cryptographers believed that if you picked P and Q randomly, the PRG would be secure. But in 2006 two private-sector cryptographers figured out that there is a way to pick P and Q so they have a special relationship to each other. An “outsider” wouldnt be able to tell that the special relationship existed, but if you knew the “secret key” that described the relationship between P and Q, then you could easily defeat the security of the PRG.
At this point, several facts become suddenly interesting. First, NSA people seemed very intent on including this specific algorithm in the standard despite its slow performance. Second, NSA was suggesting specific values of P and Q. Third, NSA was not explaining how those particular P and Q values had been chosen. Interesting, no?
All of this could have been addressed by having some kind of public procedure by which new, random P and Q values would be chosen. But that didnt happen.
Yesterday NIST [re-opened][3] SP 800-90A for public comment.
The second example was explained by John Gilmore. John described his observations from the IPSEC standards process. IPSEC was meant as a foundational security technology, providing crypto for confidentiality and integrity of individual IP packets on the Internet. A successful and widely deployed IPSEC would have been a game-changer for Internet security, putting lots of traffic under cryptographic protection.
John says that NSA people and their allies worked consistently to make the standard less secure, more complicated, less efficient, and harder to implement securely. He didnt see a smoking-gun attempt to introduce a backdoor, but what he describes is a consistent effort to undermine the effectiveness of the standard. And indeed, IPSEC has not had anything like the impact one might have expected.
These examples shows us two different kinds of backdoors. In the first PRG case, the NSA was accused of trying to create a backdoor that only it could use, because only it knew the secret key relating P to Q. In the second IPSEC case, the accusation was that the NSA was weakening users security against all attackers—the NSA would have easier access to your data, but so would all sorts of other people.
To be sure, even a private backdoor might not stay private. If there is a magic secret key that lets the NSA spy on everyone, that key might be misused or it might leak. So the line between an NSA-only backdoor and an open backdoor is always a bit blurry.
Still, it seems to me that the two types of backdoors call for different policy debates. Its one thing to secretly give the NSA easier access to everyones data. Its another thing to give everyone easier access. The latter is worse.
We need to look as well at how a backdoor might be created. In the PRG example, the backdoor would have required the NSA to slip a subtle cryptographic weakness past the crypto experts working on a standard. In the IPSEC example, creating the weakness would seem to require coordinated public activity in the standards body over time, and the individual steps would surely be noticed even if nobody spotted a pattern.
But one has to wonder whether these examples really were NSA attempts to undermine security, or whether theyre just false alarms. We cant be sure. As long as the NSA has a license to undermine security standards, well have to be suspicious of any standard in which they participate.
---
via: https://freedom-to-tinker.com/blog/felten/on-security-backdoors/
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[1]:https://freedom-to-tinker.com/blog/felten/nsa-apparently-undermining-standards-security-confidence/
[2]:http://csrc.nist.gov/publications/drafts/800-90/draft_sp800_90a_rev1.pdf
[3]:http://www.nist.gov/director/cybersecuritystatement-091013.cfm

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Open source is brutal: an interview with Google's Chris DiBona
==============================================================
![img](https://opensource.com/sites/default/files/imagecache/image-full-size/images/law/LAW_imaginationcrucial.png)
Image by opensource.com
Chris DiBona is the Director of Open Source for Google. He is also one of the great champions of open source, dating back to when he first fell in love with Linux at his university.
At the All Things Open conference this year, Chris will give an update on Google's current open source software activities and a retrospective, of sorts, on the origins and state of Android.
I caught up with him to discuss his favourite Linux distribution, the brutal nature of open source, and his view of Google's responsibilities as an industry leader.
Read more in this interview.
What's something we don't know about your path to Google and working with open source?
> I first used Linux while I was at school, as we needed to write some client/server stuff for the operating systems class I was taking. Fortuitously for me, the Sun workstation lab was crowded, very hot due to poor ventilation, smelly (coder odor), and the terminals were very very slow. I figured, what the heck, let's give this Linux thing a shot on a 486-16 I had lying around at home. Best decision ever. I fell in love with the Linux OS. It was so great, fast, and feature-full even back then compared to other unixes. I got an A in the OS class, too.
A question almost as dangerous as asking about your favourite sports team; what's your favourite Linux distribution?
> Ha! A flip answer would be Android as that's the device with a Linux kernel that I use more than anything else by two orders of magnitude, though most people don't consider it a distribution in the common way we talk about them. I'm typing the reply to this question on Chrome running on a Ubuntu/Debian derivative. I'm running a Debian instance on Google compute engine and I have a Fedora machine at home that I use from time to time. I carry a Chomebook around for most of my presentations and feel it's probably the most secure machine I own.
> Favorite though? Android.
You spent a long time working with open source and Linux before moving to Google in 2004. What made you want to work with Google?
> When I decided to return to full time work after a brief period consulting, Google's offer was the strongest and the most interesting to me. The idea of being able to be Google's 'open source person' and to build the effort from scratch was deeply appealing to me. I also felt that Google was (and is) still doing really interesting computer science and that appealed to me in ways that the other offers didn't.
Not only do you mentor and consult on a variety of different projects, you're also involved with Google Ventures, helping to fund startups, so what is it that you look for in a project? What makes you say: "Yes, I want to help you"?
> Well, honestly, I am mostly looking for it to be interesting. For Google Ventures, I am not really in the deal flow so much as I'm brought in on open source issues (which are interesting and legion).
In an interview a few years ago you said, "Google works with the open source community. Sponsorship implies stewardship, and that's a pretty serious thing." Does Google hope to avoid stewardship in the communities it's involved in? Are the two inextricably linked?
> I think so. I would rather Google engineers and non-google open source engineers see each other as peers in computer science. We do realize that our broad funding of open source projects can imply stewardship like control of projects, but you know, that's how it goes even if that sort of thing doesn't really correlate.
You once called open source “brutal”. What did you mean by that?
> Well, I think I was asked why open source works and when you think about how software engineering management works in industry, it shouldn't. Disparate, distributed, non-homogenous teams are extremely difficult to run in a company, but in open source it creates some world-class terrific software. Why is that?
> I think that it is because open source projects are able to only work with the productive people and ignore everyone else. That behavior can come across as very harsh or exclusionary, and that's because it is that: brutally harsh and exclusionary of anyone who isn't contributing.
> This is why project forking is so important. If a person is rejected from a project for whatever reason, they can fork and take the project in a new direction, and if their ideas and execution is superior to the primary project, that fork becomes the new reality and those people that rejected that developer are now the rejected.
> So, I guess what I'm saying is that survival of the fittest as practiced in the open source world is a pretty brutal mechanism, but it works very very well for producing quality software. Boy is it hard on newcomers though...
Fourteen years ago, you edited an O'Reilly book about open source. Has the landscape of open source changed much in those years? Do you think open source will overtake the proprietary model in the future?
> The landscape has changed a bit, with the notable demographic difference being that we've seen a growth in the number of people in companies working on open source, and I perceive a slight decline in open source participation in the academy, which I blame on the tech-transfer/bayh-dole patenting process being a real barrier to code licensing. Similarly, some open source coming out of universities and companies simply isn't open source enough as there is a fair amount of side dealing going around on around patents. I'm tempted to say that if it isn't a patent granting license, you should be suspicious, but that's probably a bit extreme a position to take at this time.
---
via: https://opensource.com/business/13/10/interview-chris-dibona
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翻译中...............luox
Shotwell 0.15 released with new features and fixes
================================================================================
Ubuntu ships by default [Shotwell][1], handy image manager and basic editor permitting both image-gallery management and basic image editing, latter proving itself useful in numerous and numerous situations.
@ -36,14 +37,9 @@ Shotwell 0.15 has already landed in Ubuntu 13.10 via the regular updates.
via: http://iloveubuntu.net/shotwell-015-released-new-features-and-fixes
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[1]:http://www.yorba.org/projects/shotwell/
[2]:http://blog.yorba.org/eric/2013/10/shotwell-0-15-has-arrived.html
[2]:http://blog.yorba.org/eric/2013/10/shotwell-0-15-has-arrived.html

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The Debian OpenSSL Bug: Backdoor or Security Accident?
======================================================
On Monday, Ed wrote about [Software Transparency][1], the idea that software is more resistant to intentional backdoors (and unintentional security vulnerabilities) if the process used to create it is transparent. Elements of software transparency include the availability of source code and the ability to read or contribute to a projects issue tracker or internal developer discussion. He mentioned a case that I want to discuss in detail: in 2008, the Debian Project (a popular Linux distribution used for many web servers) [announced][2] that the pseudorandom number generator in Debians version of [OpenSSL][3] was broken and insecure.
First, some background: A pseudorandom number generator (PRNG) is a program F that, given a short random seed s, gives you a long stream of bits F(s) which appear to be random. If you and I put in the same seed s, well get the same stream of bits. But if I choose s at random and dont tell you what it is, you cant predict F(s) at all—as far as youre concerned, F(s) might as well be random. The OpenSSL PRNG tries to grab some unpredictable information (“entropy”) from the system, such as the current process ID, the contents of some memory that are likely to be different (for example, uninitialized memory which is or might be controlled by other processes) and so on, and turns these into the seed s. Then it gives back the random stream F(s).
In 2006, in order to [fix warnings][4] spit out by [a tool][5] that can help find memory access bugs in software, one of the Debian maintainers [decided to comment][6] [out two lines of code][7] in the OpenSSL PRNG. It turns out that these lines were important: they were responsible for grabbing almost all of the unpredictable entropy that became the seed for the OpenSSL PRNG. Without them, the PRNG only had 32,767 choices for s, so there were only that many possible choices for F(s).
And so programs that relied on the OpenSSL random number generator werent seeing nearly as much randomness as they thought they were. One such program generates the cryptographic keys used for SSL (secure web browsing) and SSH (secure remote login). Critically, these keys have to be random: if you can guess what my secret key is, you can break into anything I protect using that key. That means you have the ability to read encrypted traffic, [log into remote servers[8], [or to make forged messages appear authentic][9]. Because the vulnerability had first been introduced in late 2006, the bug also [made its way into Ubuntu][10] (another popular Linux distribution widely used for web servers). All told, the bug affected thousands of servers and [persisted for a long time][11] because patching the affected servers was not enough to fix the problem—you also had to replace any predictable weak keys you had made while the vulnerability was present.
As an aside, the problem of finding entropy to feed pseudorandom number generators is [famously][12] [hard][13]. Indeed, its still a [big challenge][14] to get right even today. Errors in randomness are hard to detect, because if you just eyeball the output, it will look random-ish and will change each time you run the program. Weak randomness can be very hard to spot, but it can render the cryptography in a (seemingly) secure system useless. Still, the Debian bug was obvious enough that it inspired a [lot of ridicule][15] [in the security community][16] once it was discovered.
So was this problem a backdoor, purposefully introduced? It seems unlikely. The maintainer who made the change, [Kurt Roeckx][17], was later [made Secretary of the Debian Project][18], suggesting that hes a real and trustworthy person and probably not a fake identity made up by the NSA to insert a vulnerability. The Debian Project is famous for requiring significant effort to reach the inner circle. And in this case, the mistake itself was not completely damning—a [cascade of failures][19] made the vulnerability possible and contributed to its severity.
But the vulnerability did happen in a transparent setting. Everything that was done was done in public. And yet the vulnerability still got introduced and wasnt noticed for a long time. Thats in part because all the transparency made for a lot of noise, so the people to whom the vulnerability would have been obvious werent paying attention. But its also because the vulnerability was subtle and the system wasnt designed to make the impact of the change obvious to a casual observer.
Does that mean that software transparency doesnt help? I dont think so—lots of people agree that transparent software is more secure than non-transparent software. But that doesnt mean failures cant still happen or that we should be less vigilant just because lots of other people can see whats going on.
At the very least, transparency lets us look back, years later, and figure out what caused the bug—in this case, engineering error and not deliberate sabotage.
---
via: https://freedom-to-tinker.com/blog/kroll/software-transparency-debian-openssl-bug/
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[1]:https://freedom-to-tinker.com/blog/felten/software-transparency/
[2]:http://www.debian.org/security/2008/dsa-1571
[3]:https://www.openssl.org/
[4]:http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=363516
[5]:http://valgrind.org/
[6]:http://marc.info/?l=openssl-dev&m=114651085826293&w=2
[7]:http://svn.debian.org/viewsvn/pkg-openssl/openssl/trunk/rand/md_rand.c?rev=141&view=diff&r1=141&r2=140&p1=openssl/trunk/rand/md_rand.c&p2=/openssl/trunk/rand/md_rand.c
[8]:http://www.exploit-db.com/exploits/5622/
[9]:http://plog.sesse.net/blog/tech/2008-05-14-17-21_some_maths.html
[10]:http://www.ubuntu.com/usn/usn-612-1/
[11]:http://cseweb.ucsd.edu/~hovav/dist/debiankey.pdf
[12]:http://xkcd.com/221/
[13]:http://dilbert.com/strips/comic/2001-10-25/
[14]:https://factorable.net/weakkeys12.extended.pdf
[15]:http://www.xkcd.com/424/
[16]:http://www.links.org/?p=327
[17]:http://www.roeckx.be/journal/
[18]:http://lists.debian.org/debian-devel-announce/2009/02/msg00009.html
[19]:http://research.swtch.com/openssl

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The Linux Backdoor Attempt of 2003
==================================
Josh [wrote][1] recently about a serious security bug that appeared in Debian Linux back in 2006, and whether it was really a backdoor inserted by the NSA. (He concluded that it probably was not.)
Today I want to write about another [incident][2], in 2003, in which someone tried to backdoor the Linux kernel. This one was definitely an attempt to insert a backdoor. But we dont know who it was that made the attempt—and we probably never will.
Back in 2003 Linux used a system called BitKeeper to store the master copy of the Linux source code. If a developer wanted to propose a modification to the Linux code, they would submit their proposed change, and it would go through an organized approval process to decide whether the change would be accepted into the master code. Every change to the master code would come with a short explanation, which always included a pointer to the record of its approval.
But some people didnt like BitKeeper, so a second copy of the source code was kept so that developers could get the code via another code system called CVS. The CVS copy of the code was a direct clone of the primary BitKeeper copy.
But on Nov. 5, 2003, Larry McVoy [noticed][3] that there was a code change in the CVS copy that did not have a pointer to a record of approval. Investigation showed that the change had never been approved and, stranger yet, that this change did not appear in the primary BitKeeper repository at all. Further investigation determined that someone had apparently broken in (electronically) to the CVS server and inserted this change.
What did the change do? This is where it gets really interesting. The change modified the code of a Linux function called wait4, which a program could use to wait for something to happen. Specifically, it added these two lines of code:
if ((options == (__WCLONE|__WALL)) && (current->uid = 0))
retval = -EINVAL;
[Exercise for readers who know the C programming language: What is unusual about this code? Answer appears below.]
A casual reading by an expert would interpret this as innocuous error-checking code to make wait4 return an error code when wait4 was called in a certain way that was forbidden by the documentation. But a really careful expert reader would notice that, near the end of the first line, it said “= 0” rather than “== 0”. The normal thing to write in code like this is “== 0”, which tests whether the user ID of the currently running code (current->uid) is equal to zero, without modifying the user ID. But what actually appears is “= 0”, which has the effect of setting the user ID to zero.
Setting the user ID to zero is a problem because user ID number zero is the “root” user, which is allowed to do absolutely anything it wants—to access all data, change the behavior of all code, and to compromise entirely the security of all parts of the system. So the effect of this code is to give root privileges to any piece of software that called wait4 in a particular way that is supposed to be invalid. In other words … its a classic backdoor.
This is a very clever piece of work. It looks like innocuous error checking, but its really a back door. And it was slipped into the code outside the normal approval process, to avoid any possibility that the approval process would notice what was up.
But the attempt didnt work, because the Linux team was careful enough to notice that that this code was in the CVS repository without having gone through the normal approval process. Score one for Linux.
Could this have been an NSA attack? Maybe. But there were many others who had the skill and motivation to carry out this attack. Unless somebody confesses, or a smoking-gun document turns up, well never know.
---
via: https://freedom-to-tinker.com/blog/felten/the-linux-backdoor-attempt-of-2003/
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[1]:https://freedom-to-tinker.com/blog/kroll/software-transparency-debian-openssl-bug/
[2]:https://lwn.net/Articles/57135/
[3]:https://lwn.net/Articles/57137/

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Ubuntu 13.10 Review: A great Linux desktop gets better
================================================================================
***Summary**: Ubuntu 13.10 may not be the most exciting desktop Linux, but it is very solid and contains many useful new features.*
Many hardcore desktop fans still haven't forgiven Ubuntu for switching to its Unity interface. Others dislike how [Canonical][2], [Ubuntu][2]'s parent company, has gone its own way with such technical issues as working on the Mir display stack instead of the more mainstream Wayland. And, some people dislike how Ubuntu is combining "local" searches with Web searches. So what!
![](http://cdn-static.zdnet.com/i/r/story/70/00/021825/ubuntu-1310-saucy-salamander-620x349.jpg)
*Ubuntu 13.10 launches next week. Here's an early review.*
Here's all that really matters. Back in April 2011, Ubuntu's founder, Mark Shuttleworth said that the purpose of Ubuntu's new path was "to bring the [joys and freedoms and innovation and performance and security that have always been part of the Linux platform, to a consumer audience.][3]" He's done it.
Sure, Ubuntu 13.10 Saucy Salamander, which has just gone into its final release candidate stage, isn't a desktop Linux that a Linux techie who still compiles his or her kernels from source code can love. But, it's not meant to be that kind of desktop.
It's meant to be a Linux desktop that anyone, say my now 81-year old mother-in-law can use. From that standpoint Ubuntu has been a success and this one week from final release version is even more of a win for people who just want to use a computer without tears.
To see how it was doing this time, I've been running the Ubuntu beta and the release candidate on two test systems. The first test box was my 2007 Dell Inspiron 530S, which is powered by a 2.2-GHz Intel Pentium E2200 dual-core processor. This PC has 4GBs of RAM, a 500GB SATA (Serial ATA) drive, and an Integrated Intel 3100 GMA (Graphics Media Accelerator) chip set. The second was a 2008-vintage Gateway DX4710. This PC is powered by a 2.5-GHz Intel Core 2 Quad processor, 6GBs of RAM, and a 1TB SATA drive. and also used an Intel GMA 3100 for graphics.
Installation was a cinch on all these systems. While I didn't try to install Ubuntu on a system locked down with Windows 8 Secure Boot, there are [good instructions on how to put Ubuntu on Windows 8 PCs][4] and other systems that use Unified Extensible Firmware Interface (UEFI).
One nice new feature about the installation is that during it, you're asked to either login or open a free [Ubuntu One][5] cloud service account. Ubuntu One is a Dropbox-like storage service which comes with 5GBs of no-cost storage. The [commercial version, at $39.95][6], gives you 20GBs of storage and music streaming. While this service works hand-in-glove with Ubuntu you can also its storage from Windows, Mac OS, Android and iOS.
The first thing I noticed once I had it installed was that on both of these older systems, Ubuntu 13.10 ran like a top. If you have an older PC of your own and you're concerned about its fast approaching XP expiration date, keep in mind that Ubuntu, and other easy-to-use Linux distributions such as Mint run just fine on hardware that Windows 7 and above might find too slow.
Looking under the hood, here's what I found. First, the Saucy Salamander is running the [Linux 3.11 kernel][7].
Above this foundation, you'll find the graphics stack. It was supposed to be Mir, but on PCs Mir just isn't ready for prime time. The Mir graphics stack has also faced both internal opposition from Ubuntu-related distributions such as [Kubuntu][8] and [external rejection from Intel][9].
The end result is that Ubuntu 13.10 will still be using the old Xorg-server 1.4.3 by default. You can elect to try Mir if you're feeling adventuresome. If you're going to be running Ubuntu on a smartphone, aka [Ubuntu Touch, you will be using the Mir graphics stack][10].
If you're a developer, this is a big deal. As Joe or Jane user, you won't notice it. For example, until Valve's Ubuntu-based SteamOS ships, Ubuntu is still going to be the best Linux for gaming.
Above the graphics stack you'll find the GNOME 3.8-based Unity 7 interface. The new [Unity 8 interface][11], which emphasizes the use of the screen's edges to control a computing device, will be used in Ubuntu Touch 13.10, but it won't be the default on the desktop.
If you really can't stand Unity, you can easily install your Linux desktop of choice. Or, you can simply use another [Ubuntu-based Linux distribution][12] such as Kubuntu for KDE users, Mint for Cinnamon fans, or [Lubuntu][13] for LXDE enthusiasts. While the main Ubuntu with Unity is meant for new users, you really can run Ubuntu with any Linux desktop you like.
When the software for this edition of Ubuntu was being decided upon, it looked as if Chromium, the open-source version of Google's Chrome Web browser, would be the browser of choice. That didn't happen. Instead, Firefox 24 will be the default Web browser.
The other applications will also be familiar to any Ubuntu or Linux desktop user. They'll include LibreOffice 4.12 for the office suite; Thunderbird 24 for the e-mail client, Gimp 2.8.6 for photo editing, and Rhythmbox 2.99.1 as the default music player.
The most noticeable new feature to casual users will be [Smart Scopes][14], formerly known as Lens. When Lens was first introduced, all it did was integrate Amazon search results with local Unity Dash search results. This default feature was made eventually made optional.
In Ubuntu 13.10, when you search with Unity Dash you'll have the option of having your local search not only look into Amazon but in Facebook, Google Drive, Yelp, and dozens of other online Web sites as well.
Here's how it works. When you enter a search term in the Unity Dash, Ubuntu will try to guess which searches are appropriate. So, for example, if I searched for "Mumford & Sons," it will search not just my PC, but for the group on the Web under the music category.
Each of these categories has multiple sources, or scopes. For example, selecting the "Reference" category will ensure that [Wikipedia][15]; [Wordnik][16], an online dictionary; and [Zotero][17], an Evernote-like program that works with Linux, are used for sources.
Worried about privacy on your Web-based searches? Ubuntu has addressed this by anonymizing both searches and their results.
Say you still don't want to have a thing to do with Web searches from your desktop? Don't sweat it. You can turn all of them off from Settings/Security & Privacy/Search. Or, what I recommend is you take the following steps to use only the online search scopes you feel comfortable with:
- Open the Application Scope (Super, aka Windows key, +A).
- Scroll down to Dash plugins.
- Select “See X more results.”
- Click on the Scope you want to disable.
- Click “Disable.”
Frankly, after some tweaking, I really like this feature. I also like the rest of Ubuntu 13.10.
I've been using the operating system now for several weeks. It's worked well for me as a fast, secure and easy-to-use desktop.
While Unity isn't quite to my personal taste, Shuttleworth has been successful in making a Linux desktop that anyone can use. Don't believe me? Download [Saucy Salamander][18] and see for yourself.
--------------------------------------------------------------------------------
![](http://cdn-static.zdnet.com/i/r/author/steven-j-vaughan-nichols-140x105.jpg)
**About Steven J. Vaughan-Nichols**
Steven J. Vaughan-Nichols, aka sjvn, has been writing about technology and the business of technology since CP/M-80 was the cutting edge PC operating system. SJVN covers networking, Linux, open source, and operating systems.
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[1]:http://www.canonical.com/
[2]:http://www.ubuntu.com/
[3]:http://www.markshuttleworth.com/archives/671
[4]:https://help.ubuntu.com/community/UEFI
[5]:https://one.ubuntu.com/
[6]:https://one.ubuntu.com/services
[7]:https://www.google.com/search?q=site:www.zdnet.com+Linuix+3.11
[8]:http://www.kubuntu.org/
[9]:http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=58a7611
[10]:https://wiki.ubuntu.com/Mir/13.10/NoDefaultQ%26A
[11]:http://www.jonobacon.org/2013/08/27/ubuntu-in-a-nutshell-unity-and-convergence/
[12]:http://www.ubuntu.com/about/about-ubuntu/derivatives
[13]:https://wiki.ubuntu.com/Lubuntu
[14]:http://askubuntu.com/questions/310660/what-are-smart-scopes
[15]:http://www.wikipedia.org/
[16]:http://www.wordnik.com/
[17]:http://www.zotero.org/
[18]:http://releases.ubuntu.com/saucy

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Ubuntu 13.10 vs. Ubuntu 13.04: Reasons to Upgrade
================================================================================
**Ubuntu 13.10 (Saucy Salamander) is scheduled for launch on October 17, but users of the previous operating systems from Canonical are wondering why they should upgrade at all, given the fact that the new one doesn't seem to have too many features.**
![](http://i1-news.softpedia-static.com/images/news2/Ubuntu-13-10-vs-Ubuntu-13-04-Reasons-to-Upgrade-389846-2.jpg)
Canonical has been focusing on quality and on improving the existing features rather than making any drastic changes. This meant that the last two versions of Ubuntu didn't have much to show for, at least on the surface.
Ubuntu 13.04 (Raring Ringtail) has been called boring, among other things, but people don't realize that a lot of work is put behind every release of Ubuntu, even if it's not accompanied by any major visual changes.
So, why should you upgrade to Ubuntu 13.10 if there won't be any noticeable changes for the average user? Although it might seem that almost nothing has changed, the truth is that a lot of things have been upgraded, and that's always a good thing (most of the time).
The most important is, of course, the new Linux kernel 3.11.x, which is now the latest stable version available at the time of the launch. It comes with support for more devices and hardware components, better power management, and a ton of other improvements.
Then there is the upgrade for GNOME. Canonical may sport the Unity desktop environment, but they still use a lot of GNOME packages. Ubuntu 13.10 (Saucy Salamander) now comes with applications from the 3.8 branch, which is excellent news, especially for the Ubuntu GNOME flavor.
The Smart Scopes are also a big improvement over the former Lens feature. They are a lot better integrated and provide more to-the-point answers.
The security settings have been overhauled and users now have a lot more control over the traffic made by the operating system. It's possible to stop any communications between your PC or laptop and Canonical servers.
Ubuntu 13.10 is also a cornerstone for the package format. Until now, all the apps available for the Ubuntu came in a deb format, but the user had to have the dependencies installed or they had to do it separately.
With the new Click format, all the dependencies are now available from the package itself, which in theory means that you won't find any software incompatible with your distribution, if the developers use the Ubuntu SDK.
Last but not least, Unity has also received a multitude of improvements and should work much better than in any of the previous versions of Ubuntu.
If all these reasons are not enough to make you upgrade, then you should wait for Ubuntu 14.04 LTS, but there is no guarantee that it's not going to “look” largely the same like Ubuntu 13.10.
--------------------------------------------------------------------------------
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Ubuntu Desktop Guide updated for Saucy in Ubuntu 13.10
================================================================================
Every Ubuntu version contains by default Ubuntu Desktop Guide, handy document useful to familiarize the user with Ubuntu's relevant features and capabilities via an easily-graspable bundle of informations.
Essentially, **Ubuntu Desktop Guide** presents itself as a clickable manner of navigating through a categorized set of informations about the current Ubuntu version, permitting 1-click away manners of digesting its knowledge; for example, launching the handy guide, the user is to notice clickable links (such `as What's new in Ubuntu 13.10?, Sound, video & picture, Files, folders & search`), clicking on a preferred link, populates the guide with informations specific to the just-clicked link, among which several other clickable links.
Ubuntu Desktop Guide has been updated for **Ubuntu 13.10**, landing in Saucy Salamander via the regular updates, replacing the Raring-specific desktop guide with an up-to-date guide.
![](http://iloveubuntu.net/pictures_me/Ubuntu%20Desktop%20Guide%2013.10%20updated.png)
Launching the newly-landed Ubuntu Desktop Guide, displays on its main view accurate informations, like for example `What's new in Ubuntu 13.10`?, allowing newcomers to extend their understanding of the powerful Ubuntu 13.10 operating system.
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translating by theo-l
Ubuntu developers announced Oxide, Chromium-powered library to be used in Ubuntu Touch's web-browser and Ubuntu SDK by Ubuntu 14.04 LTS
================================================================================
By installing Ubuntu, 30 million users from all over the world get an immediately-usable and powerful operating system, as well as security and maintenance support specific to the installed version of Ubuntu (LTS or standard).
As a consequence, the developers are developing Ubuntu with multiple scenarios, necessities and requirements in mind, among which ability to provide the latest technology trends to the users, security, speed and an overall optimal experience, bundle of goals achieved with carefully-selected libraries, default applications and sane means of consuming content.
The developers have [announced][1] **Oxide**, essentially, a library permitting the embedding of **Chromium-powered** webviews in applications, Oxide deeply managed by Ubuntu, in order to provide the best web-related experience both in the now and in the upcoming years.
"**Oxide is a library that allows you to embed a Chromium-powered webview in QML applications**. It currently provides a fairly trivial API that is quite similar to the current QML QtWebkit webview API for simple use cases, although it is nowhere near feature complete yet".
Oxide is based on the open-source web-browser Chromium, yet, providing the exact set of features required by Ubuntu, Oxide that is to fit perfectly in Ubuntu's upcoming converged experience.
At the moment, Oxide features:
- back, forward and reload actions
- load URLs
- multiple webviews support
- user scripts
essentially, an in-progress yet relevant pack of capabilities.
Yet, Oxide stands on interesting to-be-achieved goals, such as:
- accelerated compositing
- solid navigation
- dialog support (authentication, alert, confirm, prompt)
![](http://iloveubuntu.net/pictures_me/oxide%20ubuntu.png)
As the official **goal**, Oxide is to be used by Ubuntu Touch's web-browser and Ubuntu SDK in **Ubuntu 14.04 LTS**, Ubuntu version that is to be supported for five years.
Oxide is not a mere concept, but real code with already-available capabilities, interested developers and users can digest its code on [https://launchpad.net/oxide][2]
"**If you want to [help out][3] with this**, feel free to grab me on IRC Ive got plenty of work I can hand out".
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[1]:http://www.chriscoulson.me.uk/blog/?p=196
[2]:https://launchpad.net/oxide
[3]:https://bugs.launchpad.net/oxide

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@ -41,14 +41,9 @@ Unity 8 is [available][2] for testing via Ubuntu 13.10's Ubuntu Software Center.
via: http://iloveubuntu.net/unity-8-updated-fancy-new-previews
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[1]:https://launchpad.net/unity8
[2]:apt://unity8

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@ -22,14 +22,9 @@ Unity 8 is [available][2] for testing via Ubuntu 13.10's Ubuntu Software Center.
via: http://iloveubuntu.net/unity-8-updated-interesting-refinements
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[1]:https://launchpad.net/unity8
[2]:apt://unity8

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@ -1,41 +0,0 @@
Weather App updated with subtle color refinements
================================================================================
Gradually, as seen in the latest months, Ubuntu converged is gaining a massive amount of software, software including under-the-hood services, modern Unity 8, Ubuntu developers-only applications, as well as the [core applications][1], latter being produced by a meaningful collaboration between talented third-party developers, Ubuntu developers and Ubuntu designers.
During the latest weeks, [Weather App][2] has seen numerous optimizations and refinements, polish effort aimed at delivering a stable version of the weather application in the near future.
Weather App comes with support for multiple cities and a rich range of weather values, values (like for example, Celsius degrees) expressed in relation to predefined colors; for example, the value 20 degrees Celsius is rendered with an orange-to-red color, while lower temperatures are expressed with green-to-gray color tones.
Weather App has been updated to a minor-yet-interesting release, bringing, along with bug fixes, more dark colors for the vividly-rendered color tones on its views.
Meaning, high temperatures (such as 20 degrees Celsius) retain the same orange-to-red color, yet, their color vitality has been decreased by eliminating percentages of light, while adding subtle-yet-noticeable dark tones.
The result: the weather's colors are now more pleasant to the eye featuring more calm colors.
![](http://iloveubuntu.net/pictures_me/ols%20vs%20new%20weather%20app.png)
![](http://iloveubuntu.net/pictures_me/old%20vs%20new%202%20weather%20beijing.png)
How do we **install** Weather App 0.3?
Add the following **official** PPA (Ubuntu 13.04, Ubuntu 13.10)
sudo add-apt-repository ppa:ubuntu-sdk-team/ppa && sudo add-apt-repository ppa:ubuntu-touch-coreapps-drivers/daily
sudo apt-get update
sudo apt-get install ubuntu-sdk ubuntu-weather-app
--------------------------------------------------------------------------------
via: http://iloveubuntu.net/weather-app-updated-subtle-color-refinements
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[1]:https://launchpad.net/ubuntu-phone-coreapps
[2]:https://launchpad.net/ubuntu-weather-app

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eBook Conversion Software Calibre Improves with Each New Version
================================================================================
**Version 1.6 of the eBook reader and management software Calibre has been announced on August 9, marking a milestone for this amazing program.**
![](http://i1-news.softpedia-static.com/images/news2/eBook-Conversion-Software-Calibre-Improves-with-Each-New-Version-390303-2.jpg)
The developer is no longer releasing Calibre in small increments and has decided to increase the pace of the numbering.
Calibre 1.6 comes with a new cool feature called book marking. According to the changelog, this feature allows users to select books from the Calibre library manually and mark them. This “mark” will remain until you restart Calibre or clear the marks. The files marked with this method can be manipulated separately from the rest.
To use this feature, users will have to go to Preferences->Toolbars and add the “Mark Books” tool to the main toolbar.
Other changes include the addition of Wolne Lektury and Amazon (Canada) eBook stores, better handling to hyperlinks in footnotes and endnotes for DOCX documents, a driver for Sunstech reader, improvements for the E-book viewer, an option to not condense CSS rules for margin, padding, border, etc.
A number of fixes were also added. For example, a locking error that occurred when the composite columns containing formats were used and formats were added/deleted has been fixed, selecting all books with Ctrl+A no longer causes subsequent deselects to not fully work, and a regression that broke the import/export of bookmarks has been fixed, just to name a few.
A complete changelog can be found in the [announcement][1]. You can also check out our [review of Calibre][2].
Keep in mind that if you want to compile the software yourself, you will need GLIBC 2.10 or higher, and xdg-utils and python ≥ 2.6 installed (3.x will not work). More details about the required dependencies can be found on the official website.
**Download Calibre 0.9.43 for Linux**
- [Calibre 1.6.0 tar.xz][3] [sources] [28.60 MB]
- [Calibre 1.6.0 tar.gz][4] (32-bit)[binary] [56.80 MB]
- [Calibre 1.6.0 tar.gz][5] (64-bit)[binary] [58.10 MB]
--------------------------------------------------------------------------------
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[1]:http://calibre-ebook.com/whats-new
[2]:http://www.softpedia.com/reviews/linux/calibre-Review-231233.shtml
[3]:http://sourceforge.net/projects/calibre/files/1.6.0/calibre-1.6.0.tar.xz/download
[4]:http://sourceforge.net/projects/calibre/files/1.6.0/calibre-1.6.0-i686.tar.bz2/download
[5]:http://sourceforge.net/projects/calibre/files/1.6.0/calibre-1.6.0-x86_64.tar.bz2/download

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我们正在见证Ubuntu的没落
========================================
真正的历史总在事情发生多年以后才会写就。但是当将来某天自由软件的历史最终定稿的时候我始终相信今年将作为Ubuntu没落的初始之年而被载入史册。
起初这个想法可能看起来荒谬可笑或者不怀好意。因为你仍能看到Ubuntu的狂热支持者们在为其每一个发行版的改进鼓掌叫好呐喊助威记者们也还在谄媚地报道Ubuntu创始人Mark Shuttleworth所说的每一句话
社区负责人Jono Bacon正在为Ubuntu Touch移动操作系统开发一个新的应用开发者社区最近Ubuntu的商业部门Canonical还公布了一些重大项目例如与中国政府合作为其开发[国家级的中文操作系统][1]以及被Linux基金会选中负责实现[Steam][2]游戏平台等等。
然而,[Ubuntu在Google上搜索量][3]的锐减趋势也许能说明一些问题。除了Android和Mageia其他Linux[主流发行版][4]情况虽然与Ubuntu类似都有所下降但事实是即便这样却没有哪个发行版像Ubuntu一样下降得如此厉害 —— 搜索量还不到2007年10月的一半为2006年六月以来的最低值。
一直以来质疑都在持续。Shuttleworth曾经希望能引领自由软件但现在Ubuntu和Canonical已经将他们自己孤立于自由软件社区之外。就在去年社区已经多次暗示它至少部分感到权利被剥夺。
最糟糕的的是去年Ubuntu发起的倡议一再被否决Canonical盈利能力也出现了明显的持续下降。所有这些现象看起来好像其决策层已经陷入一片难以挽回的混乱当然如果这些真的可以挽回的话。
###半途而废
和去年形成鲜明对比的是Ubuntu的早几年。2005年到2007年三年间Ubuntu成为了Linux桌面世界最新最伟大的希望之星连评论界都鲜见关于Ubuntu的负面文章在此之前评论界一直在声讨Debian注资不足或是质疑某个古怪暴发户投资的动机。
在那些风光的年月里Ubuntu确实做出了很多努力大大推进了Linux桌面系统的易用性与普遍性。也许最值得铭记的就是它对多语言环境和键盘区域切换键盘多输入法的支持现在这已成为各大主流发行版的标准。
但好景不长渐渐地Ubuntu和Canonical开始将自己孤立于主流自由软件社区之外。Shuttleworth的那些美好初衷诸如项目协作、强调易用性等等都被严重忽略了。GNOME开发也开始变得急功近利 —— GNOME社区也许认为这是一种进步 —— Shuttleworth甘愿放弃Canonical CEO的职位也要参与主导开发让他疯狂着迷的Unity。
由此Unity以及与之相关的一切迅速成为了新版Ubuntu发布的关注焦点。由于Canonical不断要求完善的压力很少有人注意到这是跳票的真正原因有时软件包的开发像之前一样无法赶上发布进度这样就使得开发团队总是无法得到Ubuntu社区的肯定。
在这种情况下开发团队被迫将所有的精力都放在了Unity上结果就是华而不实的Unity终于能更好地匹配在移动设备而不是工作站或笔记本电脑上了。经Distrowatch的统计尽管有多达[75个发行版][5]是由Ubuntu衍生而来但其中只有[11个发行版][4]默认采用了Unity。Ubuntu家族尚且如此其他的主流发行版就更不会采用Unity了更不要说推动它的发展。
同样的情况还发生在[Upstart][6]上Ubuntu使用它代替了init服务最近Ubuntu还用[Mir][7]代替了Wayland而被替换下场的Wayland正是其他发行版一直看好的X系统的最佳替代者。
Ubuntu为什么要这么做Upstart和Mir虽然都保留着自由软件许可但其实它们都在Canonical的实际控制之下Canonical主要通过[贡献者协议][8]将所有权利都划归到了公司手里。
这种控制也许就是Intel最近[宣布][9]它将不再支持Mir的原因。在过去4年里Ubuntu和Canonical已经从最受自由软件社区欢迎的成员变成了表面遵守自由软件许可暗地里却背道而驰的牛犊子。现在这个圈子里已经没有人再愿意帮它任何忙了。
###后院起火
Canonical将自己孤立得越发遥远它却越想控制整个Ubuntu社区。
Canonical之所以这样也许可以解释为这是越来越坚定想努力盈利的结果。尽管Canonical一直在忙于宣布获得了新的合作与支持但是[这些声明][10]中却总是缺少任何提及合作资金数额的词句。要说这是遗漏了经过长达九年的商业化运行很难想象他们会漏掉任何可以报道的好消息。但是无论原因是什么Canonical已经越来越多地不经任何商讨就将它的决定强加给志愿者社区。
其中的许多决定都是很琐碎的。范围从决定不再支持完全自由许可的Ubuntu版本或者一个基于KDE的版本到标题栏图标的重新定位以及替换[HUD][11]菜单的介绍。
其实在争论中解决问题并不是最重要的重要的是解决问题时人们之间的关系。与Canonical不同Ubuntu每天的运行看起来就像是任何预期中规范的自由软件项目一样有讨论有商议。而Canonical呢据说Canonical公司中的高级雇员经常滥用否决权即便是礼貌的否定都可能会导致摩擦 —— 更何况这种否定还常常是粗鲁的。Canonical已经不再欢迎开诚布公的讨论而是借着“为了让Ubuntu成功”的名义越来越倾向于扼杀人们的不同意见。
矛盾积蓄久了终会爆发。经过长时间的公开质问Ubuntu社区贡献者们的地位仍得不到肯定2013年2月许多人开始考虑退出社区事实上貌似只有一个人付诸行动
表达不满的首次发声很快就被Jono Bacon老练的公关手段平息下来但也仅仅过了几个月由于Ubuntu首页上[通往社区的链接被移除][11],矛盾再次爆发。
Bacon再一次平息了事态在局外人看来这几个月社区似乎重新归于平静。但是长期积累的不满不可能完全消失理由很简单Canonical一直都在无视Ubuntu社区。矛盾再次爆发看起来只是时间问题。
###迷失方向
Canonical是否曾经相信Ubuntu发行版能够盈利这我们不得而知。当然之前无数的教训已经警告了Canonical为赚钱而生的发行版成功的几率有多渺茫。但是多年来在Ubuntu上付出的努力似乎表明Canonical希望——或者曾经希望——能将不可能变为可能。又或者也许Canonical只是简单地将一个优秀发行版看作是其宏伟目标的踏脚石。
一方面如今看来在Unity上付出如此多的努力已经是一步错棋。直到今天Canonical似乎仍然缺乏一个商业计划为其带来任何可以盈利的合理机会。
至于那些周边产品诸如在线存储、音乐商店、或者Dash中的合作广告这些努力可能有助于弥补开发Ubuntu所需的花销但要说这些东西就能帮助Ubuntu盈利没人会张这个嘴。而用在线会议代替实际会议这只能说明一家公司正在寻找削减开支的手段而不是盈利的方法。
更重要的这些“努力”会导致新的问题。其中格外要提到的是Dash中的广告已经导致了对个人隐私的担忧甚至被[Richard Stallman][12]称之为间谍软件。这些广告还加重了社区的不满情绪。
Canonical用了一年时间来[解决个人隐私问题][13],但即使这样,缺乏足够的细节说明它只是想让用户们相信它。
其他方面,像[Ubuntu TV][14]仍然没有成形。当然Ubuntu的主战略看起来正向多样化多元素靠拢但是尝试闯入一个饱和市场其合理性仍然值得怀疑。Ubuntu Touch计划于10月份同13.10一起发布但是如果有手机制造商要搭载预装产品Canonical还将推迟发布日期。
更糟的是[Ubuntu Edge][15]投资人计划该计划打算通过众筹基金打造一款时尚前卫的经典手机如果能够成功Canonical就可以在市场中为其建立一个小生态圈。
然而最终3200万美元的筹资目标只达到了四成Canonical对此只能“强颜欢笑”因为参与众筹的投资者们也确实为产品卖力的宣传了。但是这个结果意味着Canonical在潜在的商业伙伴眼中背上了失败者的名声现实就是如此残酷。Ubuntu Edge的失败给Canonical的商业计划留下的是更多的不确定性希望愈加渺茫。
###拭目以待
以上我所写的这些并不是说一夜之间Canonical和Ubuntu就会消失。任何“没落”都才刚刚开始并不是无法挽回。管理层引进新面孔或者执行内部改革都有可能让Canonical和Ubuntu重新振作。也许倾听Ubuntu社区的声音也是一个好的选择。
如果问题依旧即使再过一个9年Canonical和Ubuntu也不会成功。Linux桌面那些早年的主要贡献者他们甚至都没有对自己的代码有所创新更不要提一般的自由软件了。长此以往要么困惑要么绝望都将会加速Ubuntu的没落。
如果不加以改革Ubuntu和Canonical也许能改变之前失败者的印象尽管Ubuntu Edge项目表明这种可能性并不大。但是渐渐地Canonical和Ubuntu已经开始失去他们多年来拥有的领袖地位。
到底是扭转颓势,还是依靠不疼不痒的措施加速没落,这些都是未知数。接下来的这几年会很有趣,充满变数,让我们拭目以待!
via: http://www.datamation.com/open-source/are-we-witnessing-the-decline-of-ubuntu-1.html
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[1]:http://www.canonical.com/content/canonical-and-chinese-standards-body-announce-ubuntu-collaboration
[2]:http://games.slashdot.org/story/13/02/14/2318247/valve-officially-launches-steam-for-linux
[3]:https://www.google.com/trends/explore?q=Ubuntu#q=Ubuntu%2C%20Canonical&cmpt=q
[4]:http://distrowatch.com/search.php?ostype=All&category=All&origin=All&basedon=All&notbasedon=None&desktop=Unity&architecture=All&status=Active
[5]:http://distrowatch.com/search.php?ostype=All&category=All&origin=All&basedon=Ubuntu&notbasedon=None&desktop=All&architecture=All&status=Active
[6]:http://en.wikipedia.org/wiki/Upstart
[7]:http://en.wikipedia.org/wiki/Mir_%28software%29
[8]:http://www.canonical.com/contributors
[9]:http://arstechnica.com/information-technology/2013/09/intel-rejection-of-ubuntus-mir-patch-forces-canonical-to-go-own-way/
[10]:http://www.canonical.com/about-canonical/news-and-events
[11]:https://wiki.ubuntu.com/Unity/HUD
[12]:https://www.fsf.org/blogs/rms/ubuntu-spyware-what-to-do
[13]:http://iloveubuntu.net/smart-scopes-anonymize-images-landing-users-dash-privacy-oriented
[14]:http://www.ubuntu.com/tv
[15]:http://www.datamation.com/open-source/ubuntu-edge-canonicals-big-gamble.html

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Linux平台上的Audacious 3.4回顾
================================================================================
**在Linux平台上虽然音乐播放器软件多如牛毛但是称得上音乐播放器这个名称的为数不多。Audacious是一款非常知名的软件并且就是这些能被叫做音乐播放器的少数软件之一。**
**版本回顾Audacious 3.4**
Audacious是一款开源的音乐播放器软件。 作为XMMS播放器软件的分支Audacious播放器可以随心所欲的播放你的音乐并且不会抢占其他任务的系统资源。 在你的所有音乐库里,你可以进行拖动文件夹和放置私人的歌曲文件、搜索歌手和专辑或者编辑你的自定义播放列表等操作。
**特性:**
- 聆听CD
- 简洁的播放列表
- 清爽的界面
- 轻量级的系统资源利用
- 多种音效设置
- 大量的plugins
在Linux平台上并不缺乏音乐播放器软件但每过去一年这种类型的软件定义变得越來越模糊。开发商正在实验新的东西他们尝试着模仿其他平台的软件以及从其他平台复制有特色的功能过来。
今天在用的大多数播放器,至少是一些主要的发布版本,已经尝试着加入一些功能,并不仅仅是一个简单的媒体播放器。开发商已经实现了在线电台、广播,甚至在界面上就可以直接购买音乐的功能。
虽然这种创新是值得提倡的,但在音频播放器上做的太过火了。开发商已经忘记了这软件的主要作用。虽然不用打开网络浏览器就能购买音乐很不错,但是一款音频播放软件不应该把此功能当作核心。
我们现在看看Audacious一款在Linux平台上的“老校友”式的音频播放软件仍在更新及增加新血液它不会为了要得到所有第三方服务而改变核心功能。
## 安装 ##
有复杂的和简单的两种方式来安装Audacious。复杂的方式即从源代码开始编译安装。没有必要这样做如果选择从源代码编译开始用相同的方法安装任意更新将是非常繁琐的过程。
我们已经在Ubuntu 13.10 (Saucy Salamander)系统上安装了Audacious 3.4。虽然Ubuntu 13.10系统仍然处于测试阶段,但是除了一个异常外它已经被证实是一个稳定的操作系统。
这个软件的最新版本是在官方资料库已经可用可以通过Ubuntu软件中心安装或使用终端来安装。通常我们建议用后种方式因为Ubuntu软件中心需要一些依赖的软件登录即使它们是免费的而且最好看看在安装过程中具体的发生了什么。
打开终端,输入如下的命令:
sudo apt-get install audacious
当所有的包都已安装结束像平时一样打开Unity Dash键入应用程序的名称你就能找到这个播放器的快捷图标。
## 优点 ##
我最喜欢Audacious的就是它清爽干净而不是伪装简单的界面。从一开始你会发现一切都已经设计了这样一种方式你几乎不可能会犯任何错误。
不像它的一些竞争对手软件我说的就是Rythmbox为了导入一个简单的文件夹你将四处摸索此功能所在何处。它不会用各样的排序你的音乐库的方式来打扰用户显示歌曲的元数据也不是侵入式的。
它还配备了一个非常简单和高效的悬停界面,当你想看到一首歌的细节,但你不想点击该特定项目,这是非常有用的。
Audacious还配备了三个不同的可以使老用户回到以前所用的“真正的”音频播放器的可视化模型并且所有的都可以修改和定制。
所有你期望一个媒体播放器所具有的其他选项,它都具有,谈论他们不是主要目的。您可以导入播放列表,设置重复点,甚至还有一个非常简单和良好的均衡。
Audacious的优势之一是默认包括的音效如去除人声采样率转换器通道混合器速度和间距以及更多。
从偏好设置里大量的插件也可以被激活专辑封面歌词状态图标GNOME快捷键和其他的等。请注意所有这些插件在默认情况下是禁用的他们得由用户手工开启以便使界面干净漂亮。
## 不足 ##
关于此软件的评论我可能会有点主观因为我真的不能忍受过于复杂的音频播放器Audacious正对我的胃口。但是说句公道话我曾经是爱过能够添加排序字段的播放列表功能的。
这款应用还具备第二个“Winamp”模式的特性这使它看起来像Windows平台上的Winamp播放器不幸的是每次我试着激它的时候Audacious崩溃了但也可能是因为Ubuntu13.10目前还不稳定。
## 总结 ##
如果您正在寻找仍挂靠在过去但也集成了一些新的功能的音频播放器你应该试试Audacious。
该软件有一个简单的界面它几乎不占用任何系统资源没有任何花里胡哨的功能这也正是它的样子。Audacious播放音乐就这样一点也不突兀。
![](http://i1-news.softpedia-static.com/images/news2/Audacious-Review-387093-2.jpg)
![](http://i1-news.softpedia-static.com/images/news2/Audacious-Review-387093-3.jpg)
![](http://i1-news.softpedia-static.com/images/news2/Audacious-Review-387093-4.jpg)
![](http://i1-news.softpedia-static.com/images/news2/Audacious-Review-387093-5.jpg)
![](http://i1-news.softpedia-static.com/images/news2/Audacious-Review-387093-6.jpg)
![](http://i1-news.softpedia-static.com/images/news2/Audacious-Review-387093-7.jpg)
![](http://i1-news.softpedia-static.com/images/news2/Audacious-Review-387093-8.jpg)
![](http://i1-news.softpedia-static.com/images/news2/Audacious-Review-387093-9.jpg)
![](http://i1-news.softpedia-static.com/images/news2/Audacious-Review-387093-10.jpg)
**Audacious 3.4.1: 自由下载**
- [Audacious 3.4.1 tar.bz2][1][sources] [464 KB]
- [Ubuntu 12.10 (Repository)][2][ubuntu_deb] [0 KB]
- [Red Hat/Fedora/Mandriva/openSUSE RPM (Repository)][2][rh_rpm] [0 KB]
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[1]:http://distfiles.audacious-media-player.org/audacious-3.4.1.tar.bz2
[2]:http://audacious-media-player.org/download

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联系人应用已经支持高级avatar功能
================================================================================
为下一代Ubuntu设计的新一代软件们正在通过多方面的支持逐步的建立起来包括了一组由第三方的程序员和Ubntu程序员还有Ubuntu的设计者们一起开发出来的核心软件同样还有由Ubuntu的开发者和设计者们创建出来的软件。
在官方的开发出来的软件们中有一个联系人应用程序,它非常的容易上手,并且是一个拥有友好界面的联系人信息收集管理程序。拥有许多可以编辑的字段。 快速滚动条 还有被列出来的项目还会提供一个有趣的相关联系的应用(正在研发中。)
[联系人应用][1]被更新了另外的一个附加的功能,正在展现出来的[最近几个新的][2]功能。也就是所说的 avatar的联系人支持
在它的上一个版本中用户可以通过联系人中心选择avatars的支持。现在在主界面中也开始支持图片显示了。
意思是,点击一个联系人,按下下方的`编辑`按钮来为这个联系人添加一个虚拟的头像在之前单色图标的位置,在点击保存之后那个那个头像就会被保存下来了。之后回到主界面就能够看到之前添加的头像了,之前的单色调的方块图片被我们替换成刚刚添加的图片。
![](http://iloveubuntu.net/pictures_me/contacts%20app%20new%20image%20oct%2011.png)
此外avatar可以将四角变成圆角用于美化联系人的显示。如果用户选择的话甚至可以同时将缩略图也美化成圆角的其实对于avatar来说一般情况都是采用没有棱角的图片。
还有更多的功能呦~点击那些已经开启avatar的联系人。点开联系人在用户查看之前保存图片的地方可以新的图片替换掉就 图片。
![](http://iloveubuntu.net/pictures_me/contacts%20app%20enhanced%20avatar.png)
联系人应用已经[可以][3]在Ubuntu13.10的 Ubuntu软件中心中找到了并且可用用来安装使用或者用来做测试。
--------------------------------------------------------------------------------
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[1]:https://launchpad.net/address-book-app
[2]:http://iloveubuntu.net/contacts-app-updated-avatar-editing-support
[3]:apt://address-book-app

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E-Mail 应用Geary得到新面貌,新功能
================================================================================
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/Screen-Shot-2013-10-04-at-14.30.29.png)
*新面貌: Geary 0.4 现在可以下载*
和[一个照片实用工具Shotwell更新][1]一起的是一个新的Geary版本 - 流行的开源桌面e-mail应用.
这是客户端背后的团队Yorba自从在4月[众筹$100,000的目标失败][2]之后的第一次发布.
这个轻量级app,很久以来是我酷爱的东西,在今天的更新中它获得了许多长久以来一直被要求的新功能.
Geary现在有 **每个账户搜索** **自动保存e-mails草稿****一个内置安全工具** 用来检查外展连接的恶意内容.
应用的界面总是把焦点集中在第一是信件第二是chrome,也有了一个更新.
侧边栏显示 **每个文件夹的未读数目** ,账户和文件夹使用了一个套新的单色图标;工具栏已被一个新的'菜单按钮'刷新.
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/Screen-Shot-2013-10-04-at-14.25.09.png)
*Geary的新菜单按钮和侧边栏图标*
e-mail列表默认隐藏取消星号和读取状态图标,鼠标悬停显示选择.当检查时,它们保持可见.
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/Screen-Shot-2013-10-04-at-14.24.23.png)
*顶部 - 底部:未读&加星; 读和取消加星;未读*
**在Ubuntu安装Geary0.4**
如果你正在使用 **Ubuntu 12.10或者13.04** 你可以[从Yorba PPa获得][3].
打开一个新的 *终端窗口* 键入下面命令:
sudo add-apt-repository ppa:yorba/ppa
sudo apt-get update && sudo apt-get install geary
Ubuntu 13.10 用户将在[Ubuntu软件中心][4]找到它.
--------------------------------------------------------------------------------
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[1]:http://www.omgubuntu.co.uk/2013/10/shotwell-0-15-released-fixes-improvements
[2]:http://www.omgubuntu.co.uk/2013/04/geary-fundraiser-fails-at-half-way-mark
[3]:https://launchpad.net/~yorba/+archive/ppa
[4]:apt://geary

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Flower Coil一个颇具挑战性的复古风益智游戏
================================================================================
Flower Coil是一个简单但有趣的复古风游戏用户为了要完成任务必须要通过认真的思考一步一步谨慎的移动角色才行。
基本上来说,玩家主要操作就是控制游戏中的角色,让他平滑的移动。游戏环节的重点是玩家要仔细的计算下一步操作,因为角色在完成每个任务时都有预定好的最多移动步数。
Flower Coil有解谜和街机两种模式同时配以简约的视图效果以及活泼的提示音乐这样做的效果是从启动游戏时起用户就要利用好每一秒钟尤其是在街机模式中和屏幕的每一个像素才能获得胜利。
在主界面选择街机模式,打开一段充满活力的旋律,现在就开始行动吧,在有限的时间里,通过你机警的操作打通各个关卡!
![](http://iloveubuntu.net/pictures_me/flower-coil%20%20usc.png)
Flower Coil可以通过Ubuntu软件中心免费进行[下载][1]。
via: http://iloveubuntu.net/flower-coil-retro-challenging-puzzle-game-ubuntu-software-center
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[1]:apt://flower-coil

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@ -6,13 +6,13 @@
GParted项目启动于2004年自从那时起开发人员一直在不断的完善它。这个过程是缓慢的最新发布的版本号是0.16.2该版本已经被我们审核过。难以想象这个开发工作一下就持续了几乎10年。
用户会发现GParted不仅仅是唯一的工具。同样可以使用一个名叫GParted Live的操作系统它无需安装即可直接使用。它可以在任何带有光或者USB接口的系统上直接运行包括Mac操作系统。
用户会发现GParted不仅仅是唯一的工具。同样可以使用一个名叫GParted Live的操作系统它无需安装即可直接使用。它可以在任何带有光或者USB接口的系统上直接运行包括Mac操作系统。
很难想像在Linux世界中没有这个工具会怎样但是我们也不得不说它并不是完成这方面工作唯一工具。
**安装**
这是一个比较困难的地方。GParted的开发者们只提供最新版软件的源代码这就意味着你不得不做一些编译的工作。这是个坏消息。
这是一项困难的工作。GParted的开发者们只提供最新版软件的源代码这就意味着如果想获取最好的版本就不得不做一些编译的工作。这是个坏消息。
我们在Ubuntu 13.10代号俏皮的蝾螈上安装了GParted一切都很顺利。官方库所提供的最新版是0.16.2这个版本应该可以满足大多数用户的需求了。该版本与最新0.16.2版之间的区别并不明显,只是在一些设置上有所改动。
@ -22,7 +22,7 @@ GParted项目启动于2004年自从那时起开发人员一直在不断的完
make
sudo make install
问题是一般人,比如我和你,并没有安装该软件所依赖的所有软件包。这意味着,当 ./configure命令显示错误的时候你不得不一个一个的去安装这些软件。
问题是正如你和我这样的普通人,并没有安装该软件所依赖的所有软件包。这意味着,当 ./configure命令显示错误的时候你不得不一个一个的去安装这些软件。
好消息是Ubuntu用户有一个非常方便的命令适用于所有在他们仓库中的应用。在使用./configure之前首先输入如下命令
@ -38,7 +38,7 @@ GParted项目启动于2004年自从那时起开发人员一直在不断的完
GParted能够修改以下文件系统btrfs, crypt / LUKS, ext2, ext3, ext4, fat16, fat32, hfs, hfs+, linux-swap, lvm2 pv, nilfs2, ntfs, reiserfs, reiser4, ufs, 以及 xfs。GParted也可以被用于克隆整个分区。
此外GParted也接受了UEFI安全启动的支持能够运行在任何具有此功能的PC电脑上。
此外GParted也接受了UEFI安全启动的支持能够在任何具有此功能的PC电脑上流畅运行
![](http://i1-news.softpedia-static.com/images/news2/GParted-Review-387094-2.jpg)
@ -50,19 +50,19 @@ GParted能够修改以下文件系统btrfs, crypt / LUKS, ext2, ext3, ext4, f
**优点**
其他操作系统的用户比如windows或者Mac需要支付高额的费用来使用此类软件。而Linux用户可以免费获得还有开发者在不断的维护这个程序。
使用其它操作系统的用户比如windows或者Mac需要支付高额的费用来使用此类软件。而Linux用户可以免费获得而且开发者在不断的维护这个程序。
它的用户界面非常干净,简洁易懂甚至Linux新手都能看的明白。
它的用户界面非常整洁,简单易懂甚至Linux新手都能看的明白。
**不足**
使用这个程序会很轻松的把事情搞坏。尤其是一但具有了root用户的权限它会具有很大的破坏性。
使用这个程序会很容易的把事情搞坏。尤其是一但具有了root用户的权限它会具有潜在的破坏性。
对于这种情况如果GParted能够提供更多综合性的建议或者在开始的时候仅提供一个初级版本的话或许会更合适。
**总结**
谁会知道修改分区是件有趣的事呢GParted把一件非常无聊又危险的活动变成了并不那么可怕的事情,为用户提供了一个很棒的用户体验,而不像命令行的应用程序那样。
谁会知道修改分区是件有趣的事呢GParted把这项枯燥又具有潜在危险的活动变得并不那样可怕,为用户提供了一个很棒的用户体验,而不像命令行的应用程序那样。
那些用户不得不在终端中调整分区的日子已经远去了。GParted看起来像一个专业的解决方案它是我们不能没有的工具。
@ -76,11 +76,11 @@ via: http://www.softpedia.com/reviews/linux/GParted-Review-387094.shtml
本文由 [LCTT][] 原创翻译,[Linux中国][] 荣誉推出
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[1]:http://sourceforge.net/projects/gparted/files/gparted/gparted-0.16.2/gparted-0.16.2.tar.bz2/download

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如何在Ubuntu中用上iOS 7的图标
================================================================================
**这个简单的教程将会教你如何在你的Ubuntu12.04、13.04、13.10上使用高端大气上档次的苹果iOS 7系统新图标。**
![](http://i1-news.softpedia-static.com/images/news2/How-to-Install-the-iOS-7-Icons-in-Ubuntu-13-04-and-Ubuntu-13-10-387709-2.jpg)
上面是效果图安装完的图标虽然看起来有些不像。但是对于Ubuntu的每一次发行版都使用相同的图标来说这已经让我们的审美得到升华了。
以前在Ubuntu安装主题、图标甚至是鼠标光标那叫一个麻烦但是近几年这事变得容易多了。想要安装新的图标只需要输入几条命令就行。
在开始之前请注意一下。本文使用的PPA(Personal Package Archives)只能在Ubuntu 12.04上运行。这是因为在复制iOS的图标时候是在Ubuntu 12.04版本上建立的。
当然正如开始提到的这些图标可以在Ubuntu 13.04 和 Ubuntu 13.10上使用,只是需要改变一点小小的操作。
除此之外你需要一个小软件使这些图标生效。我们推荐使用GNOME Tweak Tool当然你也可以根据自己的习惯选择。
下面教程开始:
打开终端安装GNOME Tweak Tool
sudo apt-get install gnome-tweak-tool
你会发现这个软件在Ubuntu下是以Tweak Tool命名的。
安装PPA然后更新一下
sudo add-apt-repository ppa:elementary-br/projects
sudo apt-get update
Ubuntu 12.04安装iOS图标
sudo apt-get install ieos7-icons
Ubuntu 13.04、Ubuntu 13.10安iOS装图标
wget -c https://launchpad.net/~elementary-br/+archive/projects/+files/ieos7-icons_0.1-0~13~ubuntu12.04.1_all.deb
sudo dpkg -i ieos7-icons_0.1-0~13~ubuntu12.04.1_all.deb
如果你发现deb包安装失败无论什么原因只需要运行
sudo apt-get install -f
修复完依赖关系,再次运行:
sudo dpkg -i ieos7-icons_0.1-0~13~ubuntu12.04.1_all.deb
这个图标集大概有300个所以有些应用程序的图标还是老样子。
享受你的新图标吧!
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@ -26,7 +26,7 @@ Jitsi也被认为是Skype的一个很好的替代者。
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/jitsi_main.png)
**Jitsi的一些特色**
**Jitsi的部分功能**
**支持的协议/网络**
@ -102,18 +102,20 @@ Jitsi能够通过在终端中执行如下命令来运行
对于其他Linux发行版请访问Jitsi[下载页面][3]
如有问题,请访问我们的 Q/A 论坛 : http://ask.unixmen.com/ - 更多信息请参见: http://www.unixmen.com/install-jitsi-instant-messenger-ubuntu/#sthash.TuH8ZN0b.dpuf
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[1]:https://jitsi.org/Main/HomePage
[2]:https://jitsi.org/Main/Features

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在Ubuntu中安装XscreenSaver--屏幕保护
================================================================================
这个教程将会给你展示如何在Ubuntu 12.04(也包含其他Ubuntu版本)中加入屏幕保护它们原本不包含任何屏幕保护的。但是一些对计算机或linux不熟悉的人并不了解屏幕保护.到底屏幕保护能做什么呢?
屏幕保护是一个主要用于安全的的计算机程序.当计算机空闲时,这个程序会清空屏幕或者在屏幕上填满移动的图片或样式。屏幕保护也可以用于娱乐或显示系统信息。当你打算离开办公室又不想让任何人看你电脑上的信息时,屏保程序将是绝佳的解决方案。
**屏幕保护怎么让我的电脑变得更安全?**
屏幕保护能配置成在允许用户继续工作之前要求用户输入密码。但是请留意,如果设置为在启动机器后自动登入帐号,那么攻击者可以轻易的重启机器来登入你的帐号.
**怎么安装屏幕保护?**
打开一个新的终端(ctrl+alt+T),如图一所示。
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/screen1.png)
图一
在安装一个新的屏幕保护之前我们必须卸载默认屏幕保护,运行 'sudo apt-get remove gnome-screensaver' ,见图二。
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/screen4.png)
图二
用下列命令安装XScreenSaver和一些附加的屏保包。
sudo apt-get install xscreensaver xscreensaver-data-extra xscreensaver-gl-extra
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/screen6.png)
图三
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/screen7.png)
图四
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/screen9.png)
图五
XScreenSaver 每次启动后会随机选择一个屏幕保护.预了解如何配置XScreenSaver参见[这里][1].
--------------------------------------------------------------------------------
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音乐应用'Musique'增添专辑排序、无缝播放和播放列表调整功能
================================================================================
![](http://www.omgubuntu.co.uk/wp-content/uploads/2013/10/cartoon_clouds_and_blue_sky-wallpaper-1152x864.jpg)
*Musique1.3排序选项功能(OS X 截图)*
**这周对于音乐爱好者来说是再好不过了继Banshee的最新更新之后一个新的轻量级Qt音乐播放器Musique发布.**
[Musique 1.3][1]建立在先前版本的核心功能之上,添加需求选项,通过网格视图中的歌手名字、人气指数、年代等来 **排序艺术家及专辑**
新更新版本的Musique中有一个“改写”播放列表的新功能它可以显示正在播放歌曲的专辑缩略图、歌曲变更通知并且支持使用GStreamer声子后端无缝播放。
还包含了各种bug修复、专辑和艺术家列表中的性能改进以及本地专辑封面图片格式的更多选择。
Musique 1.3 将 **在未来几天进入Ubuntu软件中心** (目前正在等待批准).
在此期间你可以通过点击下面的按钮从软件中心安装1.1版本.只要得到批准,Ubuntu将自动更新它到最新版本.
- [从Ubuntu软件中心安装 Musique 1.1][2]
--------------------------------------------------------------------------------
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[1]:http://flavio.tordini.org/musique-1-3
[2]:apt:musique

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开源是冷酷无情的谷歌Chris DiBona访谈
==============================================================
![img](https://opensource.com/sites/default/files/imagecache/image-full-size/images/law/LAW_imaginationcrucial.png)
Chris DiBona是谷歌开源执行总监。他也是开源界杰出的领军人物对开源的关注可以追溯到他的大学时期对Linux可谓一见钟情。
在今年的 ”一切皆开源“ 大会上Chris 将会介绍谷歌开源软件事业的各个方面包括其进展、前景等还有Android的起源和现况。
我去见他和他一起讨论他最喜欢的linux发行版开源的无情法则以及他对谷歌作为业界领袖应有的责任的看法。
以下是访谈详情。
问:对于你加入谷歌并且在开源部门展开工作,有那些方面是我们所不知道的?
答:
第一次使用linux是在上学的时候由于当时选修了操作系统课程为此我打算写一些 有关客户端/服务器 的东西。很幸运,
那时候Sun工作站实验室很热闹因为公开探讨问题的风气使然编码味十足但是使用的终端跑得相当慢。我在想瓶颈在哪
不妨就用一直都摆放在家里的一台486-16上试试这个linux到底怎么样。相当棒的决定。从此我喜欢上了linux系统。linux太棒了
跑得很快而且与其他unix系统相比功能齐全。OS这门课我也得了A。
下面这个问题跟询问你最喜欢的球队一样很危险你最喜欢哪个linux发行版
答:
我很想说是Android因为Android是基于linux内核的而我对linux内核的使用频度远远超过其他一些东西。尽管通常情况
下讨论Android时多数人都不把它当做一个发行版。我的回答同样适用于在Ubuntu/Debian衍生版本上运行的Chrome浏览器如果有
人针对Chrome这样问的话。我在谷歌计算引擎上运行的是Debian在家里则经常用Fedora。出席公共场合的时候大多数情况下我携
带Chomebook, 感觉用它最安全。
最喜欢的? Android。
2004年加入谷歌之前你在开源和linux领域投入了许多时间是什么原因促使你加入谷歌?
答:
从事咨询方面的工作一段简短的时间之后当我决定开始全职工作谷歌的offer对我来说最富有吸引力。 成为谷歌开源人、白
手起家开始创业的想法深深地打动了我。我自己也认为谷歌过去,包括现在仍然在做计算机科学方面 有意思的东西,而且以各
种方式吸引着我这些不是其他offer所具有的。
你不但指导各种项目的开发而且也参与了Google Ventures为该项目的启动注资那么你在一个项目中想要寻找什么是什
么让你说出这样的话:”是的,我就是想帮你” ?
答:
坦白说我希望它是令人感兴趣的。对于Google Ventures我并不需要过多的深入其中 开源问题就不同了,有趣而且参
与者众多。
问:多年前的一次采访中你曾经说过:”谷歌与开源社区同行。赞助意味着责任,这是相当严肃的一件事情。“谷歌是否打算避免在自
己参与的社区中担责,二者之间存在必然联系吗?
答:
我想是这样的。我希望谷歌工程师和非谷歌开源界的工程师都能把对方看做计算机科学领域的同侪。 我们得意识到,对开源项
目的广泛资助预示着责任,比如项目控制,大家都知道,事情就应该这么做,即使真的没什么联系。
问:你曾经称开源”无情“,具体是什么意思?
答:
呃,我还以为你会问为什么开源可以行得通,什么时候会考虑开源软件工程管理在业内是如何运作,但是你没有。不同特性的团
队在公司里的运作时及其不同的,但是在开源领域,可以创作出世界级的非常优秀的软件。为什么会这样?
因为我认为,在开源项目中,你可以选择只和富有成效的人一起工作而忽视其他人。这种行为被理解为非常尖刻和排斥性的。
然而实情原本就如此:无情并别排斥那些无所贡献的人。
然而这就是为什么项目克隆如此重要。无论出于什么原因,如果一个人被排斥在一个项目之外,那么他们可以克隆该项目然后使
该项目朝着不同的方向发展。假如他们的想法及实现优于先前被拒绝加入的项目,那么,好吧,这次克隆成为新的现实,而那些拒绝
别的开发者加入的家伙现在则尝到了被拒绝的滋味。
因此,我要说的是,开源世界里,实践出来的最合适的东西才会赢得生存的命运,这是相当无情的机制。但是这样行得通,可以
开发出高质量的软件。诚然,对新手来说比较难上手……
14年前你编辑过一本O'Reilly出版的有关开源的书。这些年开源领域是否了发生大的变化你认为将来开源模式会取代专有模
式吗?
答:
开源界确实发生了一些变化,非常显著的一点就是公司里从事开源工作的人数的增长。而且我还觉察到学术界参与开源的人数有
所下降,我把它归咎于技术转让专利申请,对代码许可权确实是个障碍。类似的,一些来自大学和公司的开源代码不足以称之为开源
,因为围绕着专利要应付相当多的问题。我很想说要不是有专利授权许可,我们应该都持怀疑态度,但是在这个时候说这样的话就有
可能走向极端了。
---
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揭秘!—— 2003年Linux后门事件
==================================
最近Josh写了[一篇文章][1]讲述2006年Debian Linux中出现的一系列安全bug探讨了这些所谓bug是否是NSA植入的后门。最后他作出结论可能不是
今天我想讲述的是另外一个[事件][2]——2003年某些人试图在Linux内核中植入后门的故事。这次事件很明确的确有人想植入后门只是我们不知道此人是谁而且也许永远都不会知道了。
时间回到2003年当时Linux使用一套叫做BitKeeper的系统来存储Linux源代码的主拷贝。如果开发者想要提交一份针对源码的修改就必须经过一套严格的审核过程以决定这份修改是否能够合并进主拷贝。每个针对主拷贝的修改都必须附带一段说明说明当中都包括了一个记录相应审核过程的链接。
但是有些人不喜欢BitKeeper于是这些开发者们就用另一套叫做CVS的系统维护了一份Linux源代码的拷贝这样他们就能随时按自己喜欢的方式获取Linux源代码了。CVS中的代码其实就是直接克隆了BitKeeper中的代码。
但是在2003年11月5日的时候Larry McVoy[发现][3]CVS中的代码拷贝有一处改动并没有包含记录审核的链接。调查显示这一处改动由陌生人添加而且从未经过审核不仅如此在BitKeeper仓库的主拷贝中这一处改动竟然压根就不存在。经过进一步调查后可以明确显然有人入侵了CVS的服务器并植入了此处改动。
神秘人物究竟做了哪些改动这才是真正有趣的地方。改动修改的是Linux中一个叫wait4的函数程序可以使用该函数进行挂起操作以等待某些事件的触发。神秘人物添加的就是下面这两行代码
if ((options == (__WCLONE|__WALL)) && (current->uid = 0))
retval = -EINVAL;
[有C语言编程经验的人也许会问这两行代码有什么特别的请接着往下看]
猛地一看好像这两行代码就是一段正常的错误校验代码当wait4函数被某种文档中禁止的方式调用时wait4就返回一个错误代码。但是一个真正认真的程序猿立刻就会发现代码中的问题注意看在第一行末尾“= 0”应该是“== 0”才对。是的“== 0”在这里才是判断当前运行代码的用户ID(current->uid)是否等于0而“= 0”不但无法判断反而修改了用户ID的值将其值赋值为0。
将用户ID设置为0这是一个很严重的问题因为ID为0的用户正是“root”而root账户可以在系统中做任何事情包括访问所有数据、修改任意代码的行为能够危及到整个系统各个部分的安全。因此这段代码的影响就是通过特殊手段使得任何调用wait4函数的软件都拥有了root权限。换句话说这就是一个典型的后门。
客观地说,这一招很漂亮。看起来就像是无关紧要的错误校验,但真是身份却是一个后门。而且它混在其他经过审核的代码中间,几乎规避了所有审核可能会注意到自己的可能性。
但是它终究还是失败了因为Linux小组有足够强的责任心注意到了CVS仓库中的这段代码没有经过常规审核。Linux还是略胜一筹。
这是NSA干的吗只能说有可能。因为有太多拥有技术能力和动机的人有可能实施了此次攻击。那么到底是谁呢除非某些人主动承认又或者发现新的确凿证据否则我们将永远不会知道。
---
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[1]:https://freedom-to-tinker.com/blog/kroll/software-transparency-debian-openssl-bug/
[2]:https://lwn.net/Articles/57135/
[3]:https://lwn.net/Articles/57137/

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Ubuntu 13.10: 绚丽的桌面引导界面
================================================================================
每版的Ubuntu都包含默认的桌面引导界面和帮助文档来帮助用户快捷地熟悉相关特性和功能。
基本上Ubuntu桌面引导界面都是通过用户点击下一步的方式将信息分类展现给用户的
同时也允许用户点击一键跳过的方式来快速领会引导信息的。比如,在引导界面展示给
用户的时候,用户可以发现一些可点击的链接(比如,"Ubuntu13.10有哪些新特性?,
声音、视频和图像,文件、文件夹和搜索"),点击相应的链接时,引导界面就会出现
你想看到的信息,这些信息中也会有其他的一些链接。
Ubuntu13.10一贯的采用蝾螈的色彩,取消了以往过于精细的引导风格,取而代之的是更新式的引导风格。
![](http://iloveubuntu.net/pictures_me/Ubuntu%20Desktop%20Guide%2013.10%20updated.png)
桌面导航启动后,一些详细的信息会在如图所示界面中展示给用户,比如,“Ubuntu13.10有哪些新特性”让初用者对强大的Ubuntu13.10系统有更好的理解
--------------------------------------------------------------------------------
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Ubuntu Touch: Ubuntu智能手机OS已准备就绪
===================================
Ubuntu Touch 操作系统将在Galaxy Nexus, Nexus 4, Nexus 7, and Nexus 10这些支持设备上有效使用。预定将于10月17日发布。
一位Canonical员工在他的博客中写道
> “截至今日,正好是我们发布Saucy Salamand(13.04)整一个月.作为那次发行版的一部分Ubuntu承诺ubuntu-touch镜像文件它可以安装在支持设备上。如果你有一款支持设备我鼓励你加入这次体验你想要了解的一切都可以在这个wiki中找到。你需要一个nexus设备并且需要为最新的镜像花费一些时间。如果你发现漏洞及时报告wiki中有帮助链接。”
你有nexus设备吗如果有的话那么你将成为助力Ubuntu touch成为最好操作系统的最佳人选。即使你没有nexus设备你仍可以通过创建漏洞修复的自动化测试来提供自己的帮助作出自己的贡献使漏洞不再出现。分享就是一种关怀这是使世界更加美好的唯一途径。
Nicholas Skaggs也写道qa团队致力于测试每一个稳定发行版对新功能和特殊软件包集合进行探索性测试。你可以在这里阅读更多邮件内容。
Ubuntu 已经介绍了他自己的显示服务器,Mir,它将替换可敬但却运行缓慢的X window.此外Canonical 也扩展了Ubuntu dash search,提供给用户从Facebook,Yelp,Google Drive获取本地搜索相关信息和其他几十种服务.
---
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Ubuntu 13.10 vs. Ubuntu 13.04: Reasons to Upgrade
================================================================================
**Ubuntu 13.10(Saucy Salamander) 于8月17日发布但是来自之前Canonical操作系统的用户就有疑问了新的版本似乎并没有添加多
少新的特性,有鉴于此,为什么他们要更新呢。
Ubuntu 13.04 (Raring Ringtail)相较而言令人乏味但是人们并没有意识到Ubuntu每一次发布的背后都意味着需要完成大
量的工作,即使初看起来没有太大的变动。
那么,对于普通用户来说如果新的版本并没有显著的变更,为什么还要升级到 Ubuntu 13.10呢?事实上,初看起来似乎几乎没什
么变化,然而许多东西已经升级改善,这就很好啊(多数情况下是这样)。
当然最重要的一点发布新的linux内核3.11.x是目前为止最新的稳定版本。新内核版本支持更多的设备和硬件组件更好的
电源管理性能,还有很多很多其他方面的改善。
GNOME 也可以升级了。Canonical 支持 Unity 桌面环境但是任然使用许多GNOME的包。Ubuntu 13.10 (Saucy Salamander) 自带
有来自3.8 分支的应用,这些应用都非常棒,对偏好Ubuntu GNOME的用户来说尤其如此。
相对于之前的Lens 特色Smart Scopes仍然有大的改善更好的集成并且提供更多的定向解答。
安全性设置全面检修现在用户可以对系统产生的流量有更多控制权。用户可以停止自己的PC或者laptop和Canonical服务器之间
的通信。
Ubuntu 13.10 也为软件包格式奠定了基石。迄今所有Ubuntu应用都是以deb格式提供的。不过用户需要事先安装相关依赖项
或者用户选择自己单独安装。
使用新的点选模式, 所有的依赖项都可以同多包本身获得,这就意味着, 只要应用开发者使用的是ubuntu SDK, 用户就不会再碰到
任何与当前使用版本不兼容的软件包。
最后Unity得以大量改善理应比任何以前的ubun版本工作得更出色。
如果这些缘由仍然不足以说服你升级ubuntu那就只有等待Ubuntu 14.04 LTS的发行了。不过不保证新的版本会看起来跟Ubuntu
13.10有多么大的不同。
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用Python来SSH到你的机器
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是时间写点python代码了。我爱自动化的东西,今天我将告诉大家怎么**使用python 通过ssh**连接你的机器并在上面运行命令。这并不难,但是用python来做也不是很简单,因为要用很多模块和库来完成这个任务。 你是不是很好奇本教程将会使用什么模块呢?
我们将使用Python中 pexpect 模块的 pxssh 类,它用于处理一些自动化的需求,比如ssh和ftp。想使你的系统管理生活尽可能的简单吗?那么,请关注本教程并且尝试尽可能多的学习吧。Ok,ok,我现在得到你的关注了,下面我将给出关于pxssh的一些简单的描述。你也可以在python交互shell导入pxssh 后键入hepl(pxssh)以得到更多关于pxssh的信息。
**Pxssh 描述**
Pxssh 基于pexpect。它的类扩展pexpect.spawn 以专门用来设置SSH连接。我经常使用python的pxssh进行ssh连接。 Pxssh 使用shell提示符从远程主机来同步输出。为了使这更牛x它把shell提示符设置的比$或#还独特。这应该可以在大多数Borne/bash或csh shell上工作。
你可以在[这里][1]看到更多关于pxssh。
现在开始欢乐吧.
第一步,我们导入所有需要的东西,并且给机器详情分配变量,就像图解1.
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/ssh1.png)
图解 1
之后我们创建一个函数使用pxssh创建并开始一个到ssh服务器的连接。
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/ssh2.png)
图解 2
请仔细学习我们是是怎么用try和except来处理错误的.在这里可以阅读更多关于python的错误处理.
下一步是什么?
下一步是在两个机器间的ssh连接建立之后创建一个函数来给机器发送命令.
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/ssh3.png)
图解 3
![](http://180016988.r.cdn77.net/wp-content/uploads/2013/10/ssh4.png)
图解 4
关闭文件并保存它. 现在它已经准备好可以运行了.
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via: http://www.unixmen.com/use-python-ssh-machine/
本文由 [LCTT][] 原创翻译,[Linux中国][] 荣誉推出
译者:[flsf][] 校对:[jasminepeng][]
[LCTT]:https://github.com/LCTT/TranslateProject
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[flsf]:http://linux.cn/space/flsf01
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[1]:http://pexpect.sourceforge.net/pxssh.html

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天气预报软件有了细微的颜色改进
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正如最近几个月所见Ubuntu渐渐汇聚的是获得了大量的软件这些软件涵盖了底层的系统服务新的Unity 8界面程序和Ubuntu开发人员专用的应用程序另外还有一些正由能力较强的第三方开发者、Ubuntu开发者和Ubuntu设计者通力合作来联合生产的[核心的应用][1]程序。
最近几周,[天气预报软件][2]已经有了很多的优化和改进,这些使该软件日趋完美的努力是为了在不久的将来提供一个稳定版本的天气预报应用。
天气预报应用程序自身支持多城市和丰富的天气值,这些天气值(比如说摄氏度)的表达和预先设定的颜色有关比如20摄氏度就用桔红色表示而比较低的温度则用灰绿色表示。
现在天气预报应用已经更新到了一个小而有趣的版本该版本不仅修复了一些bug同时也为在视觉上生动地渲染色调方面带来了更多的暗颜色。
也就是说高温比如20摄氏度仍然是与以前一样的桔红色但是其色彩的生动性因消除了光线的百分比而降低了同时也添加了细微但明显的暗色调。
以更多冷色调为特点的天气颜色比以前更加赏心悦目了。
![](http://iloveubuntu.net/pictures_me/ols%20vs%20new%20weather%20app.png)
![](http://iloveubuntu.net/pictures_me/old%20vs%20new%202%20weather%20beijing.png)
那么我们如何安装天气预报软件3.0呢?
添加下面的官方PPAUbuntu 13.04Ubuntu 13.10)就可以了。
sudo add-apt-repository ppa:ubuntu-sdk-team/ppa && sudo add-apt-repository ppa:ubuntu-touch-coreapps-drivers/daily
sudo apt-get update
sudo apt-get install ubuntu-sdk ubuntu-weather-app
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via: http://iloveubuntu.net/weather-app-updated-subtle-color-refinements
本文由 [LCTT][] 原创翻译,[Linux中国][] 荣誉推出
译者:[晨光][] 校对:[校对者ID][]
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[1]:https://launchpad.net/ubuntu-phone-coreapps
[2]:https://launchpad.net/ubuntu-weather-app

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iLinux是Linux平台最大的自定义图标收藏铺
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**iLinux图标可能是Linux平台上最大的图标收藏铺它的创作灵感来源于LinuxWindows和Mac OS系统。**
![](https://github-camo.global.ssl.fastly.net/bbfa0bed6fdb30515c20e8fe4f71321f94164a12/687474703a2f2f69312d6e6577732e736f667470656469612d7374617469632e636f6d2f696d616765732f6e657773322f694c696e75782d49732d7468652d4c6172676573742d436f6c6c656374696f6e2d6f662d437573746f6d2d49636f6e732d6f6e2d7468652d4c696e75782d506c6174666f726d2d3339303531392d322e706e67)
在Linux平台可用的高品质图标甚少即使有几百种可用包。
iLinux图标的开发商设法获得那些类似的图标在一些情况下甚至优于那些在三个不同的平台UbuntuWindows和Mac OS。
安装非常简单可以用一个简单的PPA帮助。只需在终端中输入以下命令
sudo add-apt-repository ppa:noobslab/icons2
sudo apt-get update
sudo apt-get install ilinux-icons
为了应用这些图标你还需要Ubuntu Tweak或GNOME Tweak Tool。你还可以查看开发商的[官方网站][1]的更多信息。
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via: http://news.softpedia.com/news/iLinux-Is-the-Largest-Collection-of-Custom-Icons-on-the-Linux-Platform-390519.shtml
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](http://linux.cn/) 荣誉推出
译者:[Vito](https://github.com/vito-L) 校对:[carolinewuyan](https://github.com/carolinewuyan)
[1]:http://haniahmed.deviantart.com/art/iLinux-icons-v-8-5-354470161