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runningwater 2014-03-28 12:53:42 +08:00
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@ -68,7 +68,7 @@ Nokto 没有自己的图标集,但它是一个很漂亮的黑色主题。要
via: http://itsfoss.com/best-themes-ubuntu-1310/
译者:[runningwater](https://github.com/runningwater) 校对:[校对者ID](https://github.com/校对者ID)
译者:[runningwater](https://github.com/runningwater) 校对:[wxy](https://github.com/wxy)
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@ -1,4 +1,4 @@
九大技巧给你的Ubuntu 13.10提速
九大绝招让你在老机器上加速运行 Ubuntu Linux
================================================================================
![](http://itsfoss.com/wp-content/uploads/2014/01/Speed_Up_Ubuntu_1310.jpg)
@ -12,9 +12,9 @@
我已经在我的Ubuntu 13.10上应用过这些技巧但是我相信它们同样可以应用在旧版本的Ubuntu系统上或者其他基于Ubuntu的Linux发行版比如Linux MintElementary OS Luna等等。
减少grub默认的引导等待时间
### 减少grub默认的引导等待时间###
grub默认会给你10秒钟时间来选择要引导的系统或是进入恢复模式这对于我来说太长了。这意味着你得呆在电脑边上按下确认键来立刻引导Ubuntu。是不是觉得有点浪费时间第一个小技巧就是改变引导时间。如果你更喜欢GUI工具可以阅读这篇文章[通过Grub Customizer调整grub等待时间和引导顺序][1]。
grub默认会给你10秒钟时间来选择要引导的系统或是进入恢复模式这对于我来说太长了。这意味着你得呆在电脑边上按下确认键来立刻引导Ubuntu。是不是觉得有点浪费时间第一个小技巧就是改变引导等待时间。如果你更喜欢GUI工具可以阅读这篇文章[通过Grub Customizer调整grub等待时间和引导顺序][1]。
对其他人来说只需要通过下面的简单命令来打开grub配置文件
@ -26,7 +26,7 @@ grub默认会给你10秒钟时间来选择要引导的系统或是进入恢复
### 管理开机启动应用程序: ###
慢慢的你开始安装各种应用程序。如果你是Its FOSS的读者你可能安装了许多[本周最佳应用程序][2]系列里推荐的应用。这里面很多应用都会开机启动,程序运行肯定会要消耗系统资源,结果就是:一台每次开机都要很长时间的缓慢电脑。打开Unity Dash然后找到**Startup Applications**
慢慢的你开始安装各种应用程序。如果你是Its FOSS的读者你可能安装了许多[本周最佳应用程序][2]系列里推荐的应用。这里面很多应用都会开机启动,程序运行肯定会要消耗系统资源,结果就是:一台每次开机都要很长时间的缓慢启动。打开Unity Dash然后找到**启动应用**
![](http://itsfoss.com/wp-content/uploads/2014/01/Startup_Applications_Ubuntu.jpeg)
@ -34,7 +34,7 @@ grub默认会给你10秒钟时间来选择要引导的系统或是进入恢复
![](http://itsfoss.com/wp-content/uploads/2014/01/Startup_applications_ubuntu_1310.jpeg)
万一你不想从开机启动列表里移除程序呢?比如说,你安装了[Ubuntu 13.10里最好的提示插件][3]里推荐的程序你希望它们可以在每次开机时都自动启动。这种情况可以这样处理为应用程序的启动设定一个等待时间。这样你可以缓解一点启动时的资源占用而你的应用程序仍然会自动启动在一段时间后。在前一张图中点击Edit然后在运行的命令中加入一个等待。例如如果你想延迟20秒再启动Dropbox提示只需要在当前的命令前面**增加一条命令**
万一你不想从开机启动列表里移除程序呢?比如说,你安装了[Ubuntu 13.10里最好的提示插件][3]里推荐的程序,你希望它们可以在每次开机时都自动启动。这种情况可以这样处理,为应用程序的启动设定一个等待时间。这样,你可以缓解一点启动时的资源占用,而你的应用程序仍然会自动启动,不是是在一段时间后。在前一张图中点击Edit然后在运行的命令中加入一个等待。例如如果你想延迟20秒再启动Dropbox提示只需要在当前的命令前面**增加一条命令**
sleep 20;
@ -54,7 +54,7 @@ Preload是个后台程序会分析用户的行为和常用的程序。打开
最好检查一下自己用来升级软件的镜像服务器是最快的。Ubuntu软件仓库在全球各地都有镜像服务器建议选择一个离自己最近的。这样可以减少从服务器下载升级包的时间所以软件升级会更快。
在**Software & Updates->Ubuntu Software tab->Download From**里选择**Other**,然后点击**Select Best Server**
在**软件与更新->Ubuntu 软件->下载地址**里选择**其它**,然后点击**使用最快的服务器**
![](http://itsfoss.com/wp-content/uploads/2014/01/Ubuntu_software_Center_Mirror.jpeg)
@ -68,7 +68,7 @@ apt-fast是用来代替“apt-get”的的一个shell脚本程序它通过多
sudo apt-get update
sudo apt-get install apt-fast
### 从apt-get更新中移除语言相关的ign ###
### 从apt-get更新中移除语言相关的可忽略的包 ###
你有没有注意过sudo apt-get update的输出里面有三类标志**hit****ign**和**get**。你可以在[这里][6]了解它们的含义。检查一下包含IGN的行你会发现它们大多数都是语言翻译相关的。如果你所有的程序和安装包都是英文的那完全没有必要检查从英文到英文的安装包数据库。
@ -84,7 +84,7 @@ apt-fast是用来代替“apt-get”的的一个shell脚本程序它通过多
### 减少系统过热: ###
如今过热是计算机的一个普遍问题一台过热的电脑运行得非常缓慢。如果你的CPU风扇跑得像尤塞恩.博尔特一样快的话会需要超长的时间来打开一个程序。在Ubuntu 13.10中有两个工具可以帮助减少系统过热来实现更好的系统性能TLP和CPUFREQ。
如今过热是计算机的一个普遍问题一台过热的电脑运行得非常缓慢。如果你的CPU风扇跑得像尤塞恩.博尔特一样快的话,可能会需要超长的时间来打开一个程序。在Ubuntu 13.10中有两个工具可以帮助减少系统过热来实现更好的系统性能TLP和CPUFREQ。
通过下面的终端命令来安装使用TLP
@ -103,7 +103,7 @@ apt-fast是用来代替“apt-get”的的一个shell脚本程序它通过多
### 调整LibreOffice让它运行更快 ###
如果你经常使用办公软件那你应该会想调整一下默认的LibreOffice让它运行得更快些。这里会调整一下内存选项。打开LibreOffice然后选择**Tools->Options**,然后在左边栏里选择**Memory**,并激活**System Quickstarter**来增加内存占用。
如果你经常使用办公软件那你应该会想调整一下默认的LibreOffice让它运行得更快些。这里会调整一下内存选项。打开LibreOffice然后选择**工具->选项**,然后在左边栏里选择**内存**,并激活**系统加速器**来增加内存占用。
![](http://itsfoss.com/wp-content/uploads/2013/08/LibreOffice_Memory_option_1.jpeg)
@ -120,7 +120,7 @@ apt-fast是用来代替“apt-get”的的一个shell脚本程序它通过多
via: http://itsfoss.com/speed-up-ubuntu-1310/
译者:[zpl1025](https://github.com/zpl1025) 校对:[校对者ID](https://github.com/校对者ID)
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@ -4,9 +4,9 @@
![从Vim访问剪切板](http://www.tecmint.com/wp-content/uploads/2014/02/vim-clipboard-content.jpeg)
比如,要拷贝高亮的文本,我们使用‘**y**命令并用x来剪切。但是**vim**剪切板的内容默认上(不是**gVim**)不能被其他的vim示例访问
比如,要拷贝高亮的文本,我们使用‘**y**命令并用x来剪切。但是**vim**(不是**gVim**)剪切板的内容默认情况下是不能被其他的vim实例访问的
Vim使用‘**+**‘寄存器指向系统剪切板。你可以运行‘**vim ­­version**‘,如果你看不到像“**+xterm_clipboard**”和“­**xterm_clipboard**“,那么内部剪切板将不能被外部**vim**访问。
Vim版本信息中使用‘**+**’表示启用了系统剪切板。你可以运行‘**vim ­­version**’,如果你看不到像“**+xterm_clipboard**”而是显示“­**xterm_clipboard**“,那么会使用内部剪切板,其将不能被其它的**vim**实例访问。
### 安装gvim和parcellite ###
@ -14,7 +14,7 @@ Vim使用**+**‘寄存器指向系统剪切板。你可以运行‘**vim ­
# yum install -y gvim
下面启用[RPMForge 仓库][1]安装**parcellite** 包。Parcellite是一款轻量级小巧而免费的Linux剪切板管理工具。
然后,使用[RPMForge 仓库][1]安装**parcellite** 包。Parcellite是一款轻量级小巧而免费的Linux剪切板管理工具。
# yum install -y parcellite
@ -70,7 +70,7 @@ Vim使用**+**‘寄存器指向系统剪切板。你可以运行‘**vim ­
这个alias是内置的用于将一些命令绕到其他命令上。这样每次当vim命令运行时相应的别名会启动默认带剪切板的gVim。
现在,用类似的方式编辑你的‘**.vimrc**文件(以防你没有 **.vimrc**文件,生成这样一个文件然后再回来)。
现在,用类似的方式编辑你的‘**.vimrc**文件(以防你没有 **.vimrc**文件,生成这样一个文件然后再回来)。
# vim ~/.vimrc
@ -78,13 +78,13 @@ Vim使用**+**‘寄存器指向系统剪切板。你可以运行‘**vim ­
autocmd VimLeave * call system("echo -n $'" . escape(getreg(), "'") . "' | xsel -ib")
现在在vim中打开任何文件并高亮部分文本(使用'v'命令)并按下'y'。尝试在vim外面的任何地方粘帖(关闭之后或者不用关闭vim),你就完成了。
现在在vim中打开任何文件并高亮部分文本(使用'v'命令)并按下'y'。尝试在vim外面的任何地方粘帖(关不关vim都行)你就发现vim里面复制的内容被粘帖出来了。
### 生成 .vimrc 文件 ###
### 附:生成 .vimrc 文件 ###
运行下面的命令来生成**.vimrc**文件(如果你已做了就跳过这部分)。
# cd [This will put you in home directory]
# cd [返回到你的主目录]
# vim .vimrc
在vim中在按下ESC键后运行下面的命令在vim中每个命令是在按下ESC键后也就是带你进入命令模式后运行的
@ -96,7 +96,7 @@ Vim使用**+**‘寄存器指向系统剪切板。你可以运行‘**vim ­
via: http://www.tecmint.com/accessing-clipboard-contents-across-multiple-instances-of-vim-from-terminal/
译者:[geekpi](https://github.com/geekpi) 校对:[校对者ID](https://github.com/校对者ID)
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@ -14,7 +14,7 @@ Christos Kyriazidis 的 boat2
### 2. 雾中日出 ###
![](http://farm6.staticflickr.com/5476/11416120446_00468648c1_c.jpg)
![](http://farm6.staticflickr.com/5476/11416120446_00468648c1_c.jpg)
Brian Fox的雾中日出
@ -26,7 +26,7 @@ Eduardo Diez Viñuela的IMGP8832
### 4. 旅行 ###
![](http://www.flickr.com/photos/goldenfox27/12735618625/)
![](http://farm4.staticflickr.com/3702/12735618625_0bb7cc61a4_c.jpg)
Goldenfox的旅行
@ -45,11 +45,12 @@ Gilberto Fotos的翠鸟
Hjalte Nielsen的棕色的猫
但是谁在乎我们这里的惊讶!-作品池里的哪幅作品你希望成为默认图片?
--------------------------------------------------------------------------------
via: http://www.omgubuntu.co.uk/2014/02/ubuntu-14-04-wallpaper-picks
译者:[geekpi](https://github.com/geekpi) 校对:[校对者ID](https://github.com/校对者ID)
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@ -0,0 +1,64 @@
COOVA硬件软件和标准
--------------------------------------------
Coova背后的理念非常简单给你提供可以用来管理与访问自己WiFi网络的开源并免费的工具与服务你可以有最大的自由度去使用它们。我们的哲学就是你不需要使用任何特别的硬件如[FON][1]或者[Meraki][2])或软件(如[Whisher][3]。从本质上来说Coova是开放并且基于标准的也就是说它可以兼容尽可能广泛的硬件协议与服务。Coova将“[Carrier][4]”的grade特色与服务带向了开源界与服务界。它也让笨拙的router更智能了一点--废物利用很不错,不是吗?
在Coova中你可以根据你要构建的网络的种类与你访问这些网络的方式来挑选你需要的软件与服务。下面是一些Coova技术的典型应用
#### 使用[CoovaAP][5]来简化[CoovaChilli][6](或[WiFiDog][7])的配置:
* 使用或者不适用CoovaAAA服务
* 使用RADIUS或者本机定义的用户
* 使用定制的“内部”入网门户,或者
* 配置使用你自己的门户或者使用RADIUS服务。
#### 在[CoovaAP][5]或者你自己的固件或者服务器中使用[CoovaChilli][6],以实现如下功能:
* 使用CoovaAAA或者其他门户/RADIUS服务加强入网门户和身份认证
* 与多种商业服务协调工作(具体询问供应商),
* 与802.1X身份认证整合以提供账号与访问限制。
#### 使用[CoovaAAA][8]管理你的网络的访问:
* 使用CoovaChilli/AP入网门户
* 使用打过补丁的WiFiDog入网门户
* 使用[你自己的入网门户][9](不需要高级编程),
* 使用我们的Facebook或者标准入网门户应用
* 使用商业访问控制器如Colubris或者
* 使用任何支持WPA Enterprise/802.1X如AirPort Extreme的router.
#### 使用和共享你的[CoovaAAA][8]控制下的网络:
* 使用一个账户既登陆你的入网门户也登陆你的安全WPA Enterprise网络使用任何支持802.1X的设备如你的笔记本电脑或者Nokia手机
* 在任何与你共享过的[CoovaAAA][8]地点使用你的账号,
* 选择性给你要共享的个人或者全体共享你的网络,或者
* 依照[OpenID][10]登陆或者Facebook粉丝/朋友共享网络。
#### 在Firefox或者你的手机上各自使用[CoovaFX][11]与[CoovaSX][12]来通过WISPr标准登陆一个入网门户和一个预先配置好的账号。WISPr被CoovaAAA绝大部分的商业访问控制器和服务供应商支持。
#### 使用[JRadius][13]为你的网络编写你自己的RADIUS设置逻辑。
如果你正在构建一个WiFi网络但在本网站上未找到任何可以帮助你的信息那你可能看得不够用心。虽然已经说过我们确实承认我们需要更多的文档。正因为如此我们呼吁研发与用户社区在wiki[论坛][14]和[mailing lists][15]上给我们提供帮助。注意我们确实关闭了一些页面来阻止SPAM垃圾邮件来创建新的页面或者在mailing lists中请求获得更多的权限。
我们也希望听到更多的关于你如何使用或者在何处使用Coova的消息。实际上我的一个朋友最近正在多米尼亚共和国度假他很惊奇地发现在宾馆中可以找到Coova的信号。他们为他们的WiFi采用了CoovaAP技术。像这样的故事非常棒请让他们出现在论坛中
__________________________________________________________________________
via: http://coova.org/node/133
译者: [Hao-Ding](https://github.com/Hao-Ding) 校对:[wxy](https://github.com/wxy)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](http://linux.cn/) 荣誉推出
[1]: https://corp.fon.com/en
[2]: https://meraki.cisco.com/
[3]: http://www.whisher.com/
[4]: https://meraki.cisco.com/blog/2008/04/new-carrier-services/
[5]: http://coova.org/CoovaAP
[6]: http://coova.org/CoovaChilli
[7]: http://dev.wifidog.org/
[8]: http://coova.org/CoovaAAA
[9]: http://coova.org/node/80
[10]: http://coova.org/node/71
[11]: http://www.coova.com/CoovaFX
[12]: http://www.coova.com/CoovaSX
[13]: http://coova.org/JRadius
[14]: http://coova.org/forum/
[15]: http://coova.org/MailingLists

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@ -1,4 +1,4 @@
在Ubuntu 13.10上怎么连接装有iOS 7的iPhone或iPad
在Ubuntu 上怎么连接装有iOS 7的iPhone或iPad
================================================================================
在几个月前我买了一个安装了iOS 7系统的iPhone 5手机。当我试着把iPhone或者iPad连接到Linux电脑Ubuntu和Linux Mint上时它能够被识别会提示我“是否信任这台电脑”
@ -50,9 +50,9 @@
--------------------------------------------------------------------------------
via:
via: http://itsfoss.com/mount-iphone-ipad-ios-7-ubuntu-13-10/
译者:[zpl1025](https://github.com/zpl1025) 校对:[校对者ID](https://github.com/校对者ID)
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@ -8,7 +8,7 @@ Linux touch 命令 - 为什么我们需要改变时间戳?
### 为什么我们需要使用 touch 命令 ###
既然 touch 命令描述的是改变时间戳,那么我们可能会想为什么我们需要去改变时间戳呢?这个问题会引发我们的深思。然而,我想有个理由可以解释为什么我们需要使用它。如果你参加了一个跨海的开源项目,那么时间戳可能变得很重要。编译源代码文件可能需要同一地区的时间戳。如果未统一,程序可能会编译失败。
既然 touch 命令描述的是改变时间戳,那么我们可能会想为什么我们需要去改变时间戳呢?这个问题会引发我们的深思。然而,我想有个理由可以解释为什么我们需要使用它。如果你参加了一个全球范围的开源项目,那么时间戳可能变得很重要。编译源代码文件可能需要同一地区的时间戳。如果未统一,程序可能会编译失败。(译注:有强迫症的同学也很喜欢这个命令——就看不得乱七八糟的时间,;>
### 不带任何选项下运行 touch ###
@ -90,7 +90,7 @@ Linux touch 命令 - 为什么我们需要改变时间戳?
现在**我们要将日期2014年1月14日改为2013年12月20日**。可以使用下列命令:
$ touch -d '10-December-2013' file_3.txt
$ touch -d '10-December-2013' file_3.txt
![Change date using -d option](http://linoxide.com/wp-content/uploads/2014/01/touch_d_date.png)
@ -159,6 +159,6 @@ Linux touch 命令 - 为什么我们需要改变时间戳?
via: http://linoxide.com/linux-command/linux-touch-command/
译者:[Luoxcat](https://github.com/Luoxcat) 校对:[校对者ID](https://github.com/校对者ID)
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@ -1,54 +0,0 @@
乌龙茶占坑
Daily Ubuntu Tips HPLIP 3.14.3 Released Upgrade In Ubuntu
================================================================================
HP Linux Imaging and printing (HPLIP) is an open-source package sponsored by HP to deliver full feature HP printer drivers to the Linux community.
Installing this package which come default in Ubuntu allows full HP printer support in Ubuntu and other Linux distributions for thousands of HP printers. Support for more printers is being added regularly, which currently stands at over [2,300 HP printers][1].
This version, 3.14.3 adds support for even more printers, including support for HP DeskJet Ink Advantage 4640 e-All-in-One Printer series, HP LaserJet Pro MFP M126nw, support for Debian 6.0.9, 7.3, 7.4 and Fedora 20.
Besides adding support for new printers and distributions, some outstanding issues were also fixed in this release. Some of the fixes are; functionality alignment issues with HP OfficeJet 6100, issue that prevented a second fax queue in interactive more, and a missing No 6 3/4 Envelop media size for HP OfficeJet 7619 Series.
For more about this release, please check out its release page at [http://sourceforge.net/p/hplip/news/2014/03/hplip-3143-public-release-/][2]
Below is a complete list of newly support HP printers:
- HP DeskJet Ink Advantage 4640 e-All-in-One Printer series
- HP DeskJet Ink Advantage 4645 e-All-in-One Printer
- HP DeskJet Ink Advantage 4646 e-All-in-One Printer
- HP DeskJet Ink Advantage 4648 e-All-in-One Printer
- HP LaserJet Pro MFP M125a
- HP LaserJet Pro MFP M125nw
- HP LaserJet Pro MFP M125rnw
- HP LaserJet Pro MFP M126a
- HP LaserJet Pro MFP M126nw
- HP LaserJet Pro MFP M127fp
To install / upgrade to this version, press **Ctrl Alt T** on your keyboard to open the terminal. When it opens, run the commands below to download the package.
wget http://prdownloads.sourceforge.net/hplip/hplip-3.14.3.run
Next, run the commands below to run the installation.
sh hplip-3.14.3.run
Follow the wizard to guide you when installing. Its pretty simple. For a complete step-by-step guide on installing it, please check this post out.
http://www.liberiangeek.net/2013/02/hp-linux-imaging-and-printer-hplip-version-3-13-2-releasedadds-support-for-more-printers/
After installing, you may have to restart your machine.
![](http://www.liberiangeek.net/wp-content/uploads/2014/03/hplipubuntu3143.png)
Enjoy!
--------------------------------------------------------------------------------
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[1]:http://hplipopensource.com/hplip-web/supported_devices/index.html
[2]:http://sourceforge.net/p/hplip/news/2014/03/hplip-3143-public-release-/

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[translating] by KayGuoWhu
Google embraces open source for 10th year of Summer of Code
================================================================================
For many, open source is believed to be the future. If you aren't familiar, in basic terms, open source is software that is accompanied by free to distribute source code. By having the source code, users can see the guts of the program they are using. This is in contrast to closed source software, like most of Microsoft's, where the code is hidden to retain intellectual property and make a profit.
@ -27,4 +28,4 @@ via: http://betanews.com/2014/03/10/google-embraces-open-source-for-10th-year-of
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](http://linux.cn/) 荣誉推出
[1]:http://googleblog.blogspot.com/2014/03/get-with-program-open-source-coding.html
[2]:http://en.flossmanuals.net/GSoCStudentGuide/
[2]:http://en.flossmanuals.net/GSoCStudentGuide/

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crowner translating
How to enable 32-bit support for 64-bit Ubuntu 13.10 or greater
================================================================================
Most of you who use Ubuntu/Debian based distributions prefer the 64-bit mode, right? Thats because 64-bit architecture utilizes the full capabilities of your hardware. It enables you to use applications with intensive memory requirements and actually use them without having to wait for an hour after every little thing you do. Now, there are merits to 32-bit mode, most notably the fact that there are not many incompatibility problems with it. Every time Java did an update there was confusion as most users didnt have the required libraries. In the past, some other early applications and drivers simply did not have 64-bit versions.

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neartan translating
Windows 7 & 8 Complete Transformation Pack Out for Ubuntu, Debian 8, and Arch Linux
================================================================================
**A new version of Windows 7/8 Transformation Pack for LXDE has been made available by its developer, bringing the much needed Arch Linux support.**
![](http://i1-news.softpedia-static.com/images/news2/Windows-7-8-Complete-Transformation-Pack-Out-for-Ubuntu-Debian-8-and-Arch-Linux-431448-2.jpg)
Like it or not, there are a lot of people out there that really want to change their operating system so that it looks like Windows 7 or Windows 8. A developer made a transformation pack that aims to satisfy these users and to provide an experience as close as possible to the actual Windows OS.
The Windows 7/8 Transformation Pack for LXDE has been out for some time, but it only got some major traction in the past few months. It's also true that it's not exactly the easiest package to install, especially because it comes with a number of very specific dependencies: LXPanel, LXSession (at least version 0.4.9 for icons, gtk theme and cursor), PCManFM, Compton, Openbox, SliM, gtk2-engines-murrine, and gtk2-engines-pixbuf.
So far, the transformation pack works on Debian (Jessie) and Ubuntu. You won't be able to just install it in Ubuntu and you will have to get the LXDE package from the official repositories. Strangely enough, Lubuntu is not supported by this pack.
More information about the Windows 7/8 Transformation Pack can be found on the official [website][1].
Download WinAte 1.3:
- [WinAte 1.3 tar.gz][2][sources] [31 MB]
--------------------------------------------------------------------------------
via: http://news.softpedia.com/news/Windows-7-8-Complete-Transformation-Pack-Out-for-Ubuntu-Debian-8-and-Arch-Linux-431448.shtml
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[1]:http://nhermosilla14.deviantart.com/art/WinAte-Windows-7-8-Transformation-Pack-for-LXDE-430156546
[2]:https://github.com/nhermosilla14/WinAte/archive/1.3.tar.gz

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Red Hat Updates Open Source Software Development Tools
================================================================================
[Red Hat][1] (RHT) has updated its lineup of open source programming languages and development tools known as Red Hat Software Collections, which are now available in a beta release of version 1.1 The development suite complements (but is released independently of) the company's flagship [Red Hat Enterprise Linux][2] (RHEL) product.
Red Hat Software Collections, which [debuted][3] in fall 2013, are targeted at open source software developers who want a single source for deploying the most up-to-date stable versions of leading open source programming languages, databases and toolsets. Red Hat offers the suite as a subscription service with the promise of providing more frequent updates to the software than it offers for RHEL, where software packages generally receive updates only when the company rolls out a new release of the operating system itself.
Red Hat plans to offer a new base release of Red Hat Software Collections every 18 months, but it will provide incremental updates more frequently. Version 1.1 of the platform, which is the first update to appear since Red Hat introduced the service several months ago, is one of those more minor updates. It includes the following changes, [according to Red Hat][4]:
- Two new open source HTTP server options in the form of Apache HTTP Server and Nginx (available as a Technology Preview)
- PHP 5.5, a server-side scripting language designed for web development
- Ruby 2.0 and Rails 4.0, which for the first time will be packaged separately, providing developers with access to an updated version of Ruby without requiring the installation of Rails
- MongoDB, a high-performance open source document database and leading NoSQL database that provides high availability and easy scalability
- Thermostat 1.0, a tool for monitoring Java virtual machine instances on multiple hosts
Although the Software Collections are currently a much less important part of Red Hat's business than RHEL, they're a good example to the open source community of how an organization can reconcile users' demand for stable yet current software with the rapid pace and decentralized nature of open source development. Open source vendors such as Red Hat rely heavily on code produced by third parties who rarely issue new releases of their software at the same time—and often don't even stick to a regular release schedule—which is why it is so difficult to keep an open source platform fully up to date. But Red Hat does the dirty work of amalgamating the most recent stable releases of far-flung open source projects into an integrated software suite, which can save developers a lot of time and hassle—if they subscribe to the Software Collections, of course.
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via: http://thevarguy.com/open-source-application-software-companies/032414/red-hat-updates-open-source-software-development-tools
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[1]:http://redhat.com/
[2]:http://www.redhat.com/products/enterprise-linux/
[3]:http://developerblog.redhat.com/2013/09/12/rhscl1-ga/
[4]:http://www.redhat.com/about/news/archive/2014/3/red-hat-software-collections-1-1-beta-now-available

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Linux 3.15 Will Dramatically Reduce Suspend And Resume Times!
================================================================================
The upcoming Linux 3.15 kernel that is anticipated for release in mid-2014 will come with a large number of ACPI and power management updates. Thanks to the update, Linux systems will suspend and resume faster in the days to come.
![Linux 3.15 kernel, ACPI, power management updates, Linux systems, Rafael Wysocki, asynchronous threads, Nvidia's Maxwell architecture, Linux kernel 3.14](http://www.efytimes.com/admin/useradmin/photo/kDMH35305PM3242014.jpg)
Pointing out to a list of changes posted by Rafael Wysocki, an Intel employee who maintains the Linux kernel's core power management code, the report by Phoronix quotes that "visible to users with the Linux 3.15 kernel should be reduced time for system suspend and resuming, thanks to the enabling of more asynchronous threads." Linux 3.15 might also come with basic support for Nvidia's Maxwell architecture. Further details are awaited.
Meanwhile, the latest stable release of Linux was version 3.13.6. Linux founder, Linus Torvalds officially announced the sixth Release Candidate (RC) version of the upcoming Linux kernel 3.14. The RC6 is a successor to Linux 3.14-rc5. It is now available for download and testing. However, since it is a development version, it should not be installed on production machines.
"We're getting closer to the end of the rc cycle, and I have to admit that I would have wished for a less bumpy ride. There haven't been any huge problems, but there's been quite a few small bumps that shouldn't happen this late in the release cycle. And rc6 is noticeably bigger than rc5 was, as well." Torvalds said in the release note. Torvalds said that he would have wished for things to go calm by now, but there have been quite a few small issues including 'small stupid mistakes', and a few late reverts of commits. Torvalds has hinted at rc8 and rc9 if things dont calm down. Linux 3.14-rc6 consists of a number of trivial fixes.
--------------------------------------------------------------------------------
via: http://www.efytimes.com/e1/fullnews.asp?edid=133613
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Open Source Isn't Just For Developers Anymore
================================================================================
> Once a developer's hobby, a new survey finds open source is increasingly being driven
Ten years ago, open source was a developer movement for developers. Not so anymore.
As a new [Linux Foundation][1] survey suggests, "business managers recognize open source software as a business imperative and are taking the lead in initiating open source participation." This, in turn, refashions open source as a critical business driver, not merely an efficient way to write code.
### Business Inmates Running The Open Source Asylum? ###
Once an imitator of proprietary innovation, open source has set the agenda on industry innovation for years. The biggest trends in computing—from cloud to Big Data to mobile—are all powered by open source. And business users have taken notice.
Developers used to be able to get away with delivering on business requirements by leveraging open-source software, but today's business managers are openly asking for more open-source software.
The business reasons for getting started with open source, while different from those of developers, are compelling, according to the survey of 686 software developers and business managers:
![](http://readwrite.com/files/Screen%20Shot%202014-03-25%20at%2010.08.56%20PM.png)
From the Linux Foundation survey, other interesting facts arise, each of which points to a future filled with even greater business influence and involvement in open source:
- 35% of software developers get started with open source and collaborative development by contributing to an open source project in their free time;
- 44% of software developers surveyed indicate that job requirements are the top reason they started contributing;
- Interestingly, software developers with 10 or more years of experience were more likely to have started in their free time, whereas developers with fewer than 10 years of experience were more likely to start due to job requirements.
The subtext in these results is clear: Business is driving more open-source development. In fact, among business managers, 44% indicated they would increase their investments in collaborative software development over the next six months, with another 42% said they planned on sustaining their current investment. No respondents said they had plans to decrease their investment.
### The Business Of Open Source ###
While some of this heady optimism for open collaborative development is fueled by specific projects like Hadoop or Android, much of it comes down to collaboration with industry peers and even competitors to solve hard technology problems. OpenStack, OpenDaylight, Eclipse and Linux are all exemplars of industry collaboration; for some companies like IBM, collaborative foundations are the new default for development entirely.
But the purpose behind collaborative software development has little to do with holding hands and singing "kumbaya" around a campfire. Rather, organizations look to collaborative software development to drive tangible business benefits:
![](http://readwrite.com/files/Screen%20Shot%202014-03-25%20at%2010.35.00%20PM.png)
This shouldn't be shocking news. As the free and open source software movement has matured, it has tended to embrace less dogmatic licensing approaches, favoring Apache over the GNU General Public License (GPL), and to generally err on the side of adoption rather than religion. Things have moved so far, in fact, that the [GitHub generation often eschews formal licensing of any kind][2] (which, in turn, creates business problems of its own).
In every industry, organizations are pressed to do more with less and deliver software on far tighter timeframes than ever before. Google, for one, has said it couldn't exist as it does today without open source and open standards. Other organizations are discovering that they can't, either.
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via: http://readwrite.com/2014/03/26/open-source-development-business-managers-users-linux-foundation-study#feed=/hack&awesm=~ozHpY5jaMeoZsu
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[1]:http://www.linuxfoundation.org/
[2]:http://readwrite.com/2013/05/15/open-source-is-old-school-says-the-github-generation#awesm=~ozzZjjwfY7FyDr

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Daily Ubuntu Tips Install NetBeans IDE 8.0 In Ubuntu
================================================================================
NetBeans 8.0 has just been released and this brief tutorial is going to show you how to easily install it in Ubuntu if you havent already done so. For developers who need help installing NetBeans in Ubuntu, this post will guide you.
For those who dont know what NetBeans is, its an IDE application that allows users to quickly and efficiently develop and build desktop, mobile and web applications.
Its free and open-source and is supported by a vast community of users and developers.
Some of the features that were released in version 8 are, support for JDK 8 editor and tools enhancements, Tomcat 8.0 support, enhanced CDI integration, a new Maven graph layout switcher, new editor for supporting and creating JQuery widgets and plugins, and HTML 5, PHP 5.5 support.
For more about this release, [check out its release page][1].
There are two primary ways to download and install NetBeans IDE. One is downloading a package file that combines JDK 8 and NetBeans. This combination allows for the development of applications on the Java platform.
To get this package, [download it from here][2].
Another way to get NetBeans is go download and install it directly from its download page. There, you have the option to download the complete package which contains, NetBeans Platform SDK, Java SE, Java FX, Java EE, Java ME, HTML5, C/C++, Groovy, PHP and Apache Tomcat 8.0.
There are five options of the package to download. Choose the package you wish to download and click the Download button.
To get these packages, visit [NetBeans download page][3].
### Install Java JDK first before installing NetBeans ###
Before you can install NetBeans, you must first install Java JDK. Without it, NetBeans wont install. To lean how to install Java JDK, read [this post][4].
After installing Java JDK, continue below to install NetBeans.
If you chose the Oracle version, then JDK is already packaged into the file. All you have to do is run the executable to install both JDK and NetBeans.
Once youve downloaded the package you want, run the commands below to make the package executable.
chmod +x ~/Downloads/netbeans-8.0-linux*.sh
the commands above assume that the file was downloaded in your Downloads folder in Ubuntu
Next, run the commands below to begin the installation.
sh -c " ~/Downloads/netbeans-8.0-linux*.sh"
Follow the wizard until the installation is complete.
![netbeans-ubuntu](http://www.liberiangeek.net/wp-content/uploads/2014/03/netbeansubuntu.png)
Enjoy!
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[1]:https://netbeans.org/community/releases/80/index.html
[2]:http://www.oracle.com/technetwork/java/javase/downloads/jdk-netbeans-jsp-142931.html
[3]:https://netbeans.org/downloads/
[4]:http://www.liberiangeek.net/2013/10/netbeans-ide-7-4-released-heres-install-ubuntu/

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Daily Ubuntu Tips Manually Install Oracle Java JDK 8 In Ubuntu
================================================================================
This brief tutorial is going to show you how to manually install Oracle Java JDK 8, which was just recently released in Ubuntu. This method will show you how to download the package from its download page and install it in Ubuntu without using external PPAs or third party sources.
This method doesnt depend on third-party repository. You download it directly from Oracles download page and install in Ubuntu.
JDK 8 is a major release and the latest which features a new language called Lambda Expressions “enables you to treat functionality as a method argument, or code as date”
Also released with this version are collection of classes in the new java.util.stream package that provide a Stream API to support functional-style operations.
For more about this release, please visit the release page @ [http://www.oracle.com/technetwork/java/javase/8-whats-new-2157071.html][1]
To get started with downloading and installing Java JDK8 in Ubuntu, visit the [download page][2] and get the latest version from there. You can to download the 32-bit or 64-bit version for you Ubuntu machine.
Heres [download page][3]
You must accept the license agreement before downloading.
When you download the file, choose to save it. By default Firefox saves it downloads in the **~/Downloads** folder in Ubuntu.
![oracle-jdk8-ubuntu ](http://www.liberiangeek.net/wp-content/uploads/2014/03/oraclejdk8ubuntu.png)
Next, open the terminal and run the commands below to extract the downloaded file.
tar -xvf ~/Downloads/jdk-8-linux-x64.tar.gz
Then run the commands below to create a folder for Java JDK 8 files in the /usr/lib directory.
sudo mkdir -p /usr/lib/jvm/jdk1.8.0/
Then run the commands below to move JDK content to the new folder.
sudo mv jdk1.8.0/* /usr/lib/jvm/jdk1.8.0/
Next, run the commands below to begin configuring Java
sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.8.0/bin/java" 1
Then copy and paste the line below enable Javac module
sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.8.0/bin/javac" 1
Finally, copy and paste the commands below to complete the installation.
sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.8.0/bin/javaws" 1
To verify if Java is fully installed, run the commands below to test it.
java version
Enjoy!
--------------------------------------------------------------------------------
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[1]:http://www.oracle.com/technetwork/java/javase/8-whats-new-2157071.html
[2]:http://www.oracle.com/technetwork/java/javase/downloads/index.html
[3]:http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

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How To Find IP Conflicts In Linux
================================================================================
You all know what IP addresses are, right? How they are assigned to devices on a network to represent them. They are assigned by DHCP servers and the change frequently. Now there are two kinds of IPs. The dynamic ones who change frequently (a few times a day) and the static ones who, as the name suggests, are static, as in they dont change. Sometimes that creates conflicts. When a dynamic IP is assigned and there is already another device on the network with the same static IP. Or it can happen when there are more than one DHCP servers giving IPs on the same network from the same subnet. If youre having connectivity issues and suspect it is due to IP conflict you can use a tool called arp-scan to detect them.
This tool sends ARP (Address Resolution Protocol) packets on local network to collect the addresses. If there is multiple MAC addresses claiming the same IP address, then there is conflict.
To install arp-scan on Ubuntu or Debian type:
$ sudo apt-get install arp-scan
For Fedora, CentOS or Redhat:
$ sudo yum install arp-scan
To detect IP conflicts, run the following:
$ sudo arp-scan I eth0 -l
An output example:
192.168.1.10 00:1b:a9:63:a2:4c BROTHER INDUSTRIES, LTD.
192.168.1.30 00:1e:8f:58:ec:49 CANON INC.
192.168.1.33 00:25:4b:1b:10:20 Apple, Inc
192.168.1.37 10:9a:dd:55:d7:95 Apple Inc
192.168.1.38 20:c9:d0:27:8d:56 (Unknown)
192.168.1.39 d4:85:64:4d:35:be Hewlett Packard
192.168.1.39 00:0b:46:e4:8e:6d Cisco (DUP: 2)
192.168.1.40 90:2b:34:18:59:c0 (Unknown)
In this instance, the **19.168.1.39** IP is in conflict since it appears twice.
--------------------------------------------------------------------------------
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Linux Commands Cheat Sheet in Black & White
================================================================================
Keep this linux cheat sheet on your desk printed , I am sure you will learn them quick and will be a linux expert very soon. We have added had both pdf and image (png) format of the cheat sheet. Please keep us posted if you need us to add more commands. Command are categorized 13 sections according its usage.We have designed the command in white color with black background as we often use on linux shell. We have added bit red color for attraction :-).
![](http://linoxide.com/guide/linux-cheat-sheet.png)
--------------------------------------------------------------------------------
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Linux and Unix nload App: Monitor Network Traffic and Bandwidth Usage In Real Time
================================================================================
If you want to monitor network throughput on the command line interface, use nload application. It is a console application which monitors network traffic and bandwidth usage in real time. It visualizes the in and outgoing traffic using two graphs and provides additional info like total amount of transferred data and min/max network usage.
#### Install nload on a CentOS/RHEL/Red Hat/Fedora Linux ####
First, [turn on EPEL repo on a CentOS or RHEL][1] based system. Type the following [yum command][2] to install nload:
# yum install nload
#### Install nload on a Debian or Ubuntu Linux ####
Type the following [apt-get command][3]:
$ sudo apt-get install nload
#### Install nload on a FreeBSD system ####
To install the nload via port, type:
# cd /usr/ports/net/nload/ && make install clean
Or add the package
# pkg install net/nload
#### Install nload on a OpenBSD system ####
Type the following command:
$ sudo pkg_add -i nload
#### Install nload using a source code on a Unix-like systems ####
First, grab the source code using either wget command or curl command:
$ cd /tmp
$ wget http://www.roland-riegel.de/nload/nload-0.7.4.tar.gz
To [untar a tar file called nload-0.7.4.tar.gz, use tar command][4], enter:
$ tar xvf nload-0.7.4.tar.gz
Cd to the directory containing the nloads's source code using cd command:
$ cd nload*
And type ./configure to configure the package for your system:
$ sh ./configure
OR
$ ./configure
Running configure takes a while. Type make command to compile the nload:
$ make
Finally, type make install to install the nload programs and related files as root user:
$ sudo make install
OR
# make install
How do I use nload to display the current network usage?
The basic syntax is:
nload
nload device
nload [options] device1 device2
Just type the following command:
$ nload
$ nload eth0
$ nload em0 em2
Sample outputs:
![Fig. 01: nload command in action](http://s0.cyberciti.org/uploads/cms/2014/03/nload-command-linux-unix-screenshot-output.jpg)
Fig. 01: nload command in action
#### Controlling nload app ####
Once nload command executed, it begins to monitor the network devices. You can control nload with the following key shortcuts:
1. You can switch between the devices by pressing the left and right arrow keys or Enter/Tab key.
1. Press F2 to show the option window
1. Press F5 to save current settings to the users config file.
1. Press F6 reload settings from the config files.
1. Press q or hit Ctrl+C to quit nload.
#### Setting the refresh interval of the display ####
The default value of interval is 100 milliseconds to refresh interval of the display. In this example, change to 500 milliseconds:
$ nload -t {interval_number_in_millisec}
$ nload -t 500
Sample outputs:
![Animated gif 01 - nload command in action](http://s0.cyberciti.org/uploads/cms/2014/03/nload-demo.gif)
Animated gif 01 - nload command in action
#### Setting the type of unit used for the display of traffic numbers ####
The syntax is:
$ nload -u h|H|b|B|k|K|m|M|g|G
$ nload -U h|H|b|B|k|K|m|M|g|G
$ nload -u h
$ nload -u G
$ nload -U G
Where,
- The lower case -u option: h means human readable (auto), b Bit/s, k kBit/s, m MBit/s and g GBit/s. The upper case letters mean the corresponding units in Bytes (instead of Bits). The default is k.
- The upper case -U option is same as lower case -u option, but for an amount of data, e.g. Bit, kByte, GBit etc. (without "/s"). The default is M.
### Conclusion ###
I found nload to be reliable and stable application. If you enjoyed nload, you might also like to try out vnstat and iftop tools on Linux/Unix-like systems.
--------------------------------------------------------------------------------
via: http://www.cyberciti.biz/networking/nload-linux-command-to-monitor-network-traffic-bandwidth-usage/
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[1]:http://www.cyberciti.biz/faq/fedora-sl-centos-redhat6-enable-epel-repo/
[2]:http://www.cyberciti.biz/faq/rhel-centos-fedora-linux-yum-command-howto/
[3]:http://www.cyberciti.biz/tips/linux-debian-package-management-cheat-sheet.html
[4]:http://www.cyberciti.biz/faq/tar-extract-linux/

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日常Ubuntu小技巧 HPLIP 3.14.3发布 在Ubuntu中升级
================================================================================
HP Linux成像和打印HPLIP是由惠普赞助提供全功能的HP打印机驱动程序的Linux社区的开放源代码包。
安装这个包后将默认在Ubuntu和其他Linux发行版完整中支持数以千计的HP打印机。支持的打印机数量正在定期添加目前已经超过[2,300台HP打印机][1]。
这个版本3.14.3增加了对更多打印机的支持包括HP DeskJet Ink Advantage 4640 e-All-in-One Printer 系列HP LaserJet Pro MFP M126nw支持Debian 6.0.97.37.4 以及Fedora 20。
除了增加新的打印机和系统的支持一些突出的问题在这个版本中也被解决。修复程序包括HP Officejet 6100的功能定位问题阻止第二传真队列中的互动问题以及HP OfficeJet 7619 系列缺少No 6 3/4信封媒介尺寸。
关于这次发布的更多信息,请查看发布页面[http://sourceforge.net/p/hplip/news/2014/03/hplip-3143-public-release-/][2]
以下是新支持的HP打印机的完整列表
- HP DeskJet Ink Advantage 4640 e-All-in-One Printer series
- HP DeskJet Ink Advantage 4645 e-All-in-One Printer
- HP DeskJet Ink Advantage 4646 e-All-in-One Printer
- HP DeskJet Ink Advantage 4648 e-All-in-One Printer
- HP LaserJet Pro MFP M125a
- HP LaserJet Pro MFP M125nw
- HP LaserJet Pro MFP M125rnw
- HP LaserJet Pro MFP M126a
- HP LaserJet Pro MFP M126nw
- HP LaserJet Pro MFP M127fp
安装/升级到这个版本,请在键盘上按**Ctrl Alt T**,打开终端。当它打开时,运行下面的命令来下载该软件包。
wget http://prdownloads.sourceforge.net/hplip/hplip-3.14.3.run
之后,运行以下命令来进行安装。
sh hplip-3.14.3.run
安装时,按照向导来指导你。这是很简单的。对于一个完整的一步一步的安装引导,请查看这个帖子了。
http://www.liberiangeek.net/2013/02/hp-linux-imaging-and-printer-hplip-version-3-13-2-releasedadds-support-for-more-printers/
安装完成之后,请重启你的电脑。
![](http://www.liberiangeek.net/wp-content/uploads/2014/03/hplipubuntu3143.png)
--------------------------------------------------------------------------------
via: http://www.liberiangeek.net/2014/03/daily-ubuntu-tips-hplip-3-14-3-released-upgrade-in-ubuntu/
译者:[乌龙茶](https://github.com/yechunxiao19) 校对:[校对者ID](https://github.com/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
[1]:http://hplipopensource.com/hplip-web/supported_devices/index.html
[2]:http://sourceforge.net/p/hplip/news/2014/03/hplip-3143-public-release-/

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# Hardware, software, standards(硬件,软件,标准)
Coova背后的理念非常简单给你提供可以用来管理与访问自己WiFi网络的开源并免费的工具与服务你可以有最大的自由度去使用它们。我们的哲学就是你不需要使用任何特别的硬件如[FON][1]或者[Meraki][2])或软件(如[Whisher][3]。从本质上来说Coova是开放并且基于标准的也就是说它可以兼容尽可能广泛的硬件协议与服务。Coova将“[Carrier][4]”的grade特色与服务带向了开源界与服务界。它也让笨拙的router更智能了一点--废物利用很不错,不是吗?
在Coova中你可以根据你要构建的网络的种类与你访问这些网络的方式来挑选你需要的软件与服务。下面是一些Coova技术的典型应用
#### 使用[CoovaAP][5]来简化[CoovaChilli][6](或[WiFiDog][7])的配置:
* 使用或者不适用CoovaAAA服务
* 使用RADIUS或者本机定义的用户
* 使用定制的“内部”入网门户,或者
* 配置使用你自己的门户或者使用RADIUS服务。
#### 在[CoovaAP][5]或者你自己的固件或者服务器中使用[CoovaChilli][6],以实现如下功能:
* 使用CoovaAAA或者其他门户/RADIUS服务加强入网门户和身份认证
* 与多种商业服务协调工作(具体询问供应商),
* 与802.1X身份认证整合以提供账号与访问限制。
#### 使用[CoovaAAA][8]管理你的网络的访问:
* 使用CoovaChilli/AP入网门户
* 使用打过补丁的WiFiDog入网门户
* 使用[你自己的入网门户][9](不需要高级编程),
* 使用我们的Facebook或者标准入网门户应用
* 使用商业访问控制器如Colubris或者
* 使用任何支持WPA Enterprise/802.1X如AirPort Extreme的router.
#### 使用和共享你的[CoovaAAA][8]控制下的网络:
* 使用一个账户既登陆你的入网门户也登陆你的安全WPA Enterprise网络使用任何支持802.1X的设备如你的笔记本电脑或者Nokia手机
* 在任何与你共享过的[CoovaAAA][8]地点使用你的账号,
* 选择性给你要共享的个人或者全体共享你的网络,或者
* 依照[OpenID][10]登陆或者Facebook粉丝/朋友共享网络。
#### 在Firefox或者你的手机上各自使用[CoovaFX][11]与[CoovaSX][12]来通过WISPr标准登陆一个入网门户和一个预先配置好的账号。WISPr被CoovaAAA绝大部分的商业访问控制器和服务供应商支持。
#### 使用[JRadius][13]为你的网络编写你自己的RADIUS设置逻辑。
如果你正在构建一个WiFi网络但在本网站上未找到任何可以帮助你的信息那你可能看得不够用心。虽然已经说过我们确实承认我们需要更多的文档。正因为如此我们呼吁研发与用户社区在wiki[论坛][14]和[mailing lists][15]上给我们提供帮助。注意我们确实关闭了一些页面来阻止SPAM垃圾邮件来创建新的页面或者在mailing lists中请求获得更多的权限。
我们也希望听到更多的关于你如何使用或者在何处使用Coova的消息。实际上我的一个朋友最近正在多米尼亚共和国度假他很惊奇地发现在宾馆中可以找到Coova的信号。他们为他们的WiFi采用了CoovaAP技术。像这样的故事非常棒请让他们出现在论坛中
__________________________________________________________________________
via: http://coova.org/node/133
译者: [Hao-Ding](https://github.com/Hao-Ding) 校对:[校对者ID](https://github.com/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
[1]: https://corp.fon.com/en
[2]: https://meraki.cisco.com/
[3]: http://www.whisher.com/
[4]: https://meraki.cisco.com/blog/2008/04/new-carrier-services/
[5]: http://coova.org/CoovaAP
[6]: http://coova.org/CoovaChilli
[7]: http://dev.wifidog.org/
[8]: http://coova.org/CoovaAAA
[9]: http://coova.org/node/80
[10]: http://coova.org/node/71
[11]: http://www.coova.com/CoovaFX
[12]: http://www.coova.com/CoovaSX
[13]: http://coova.org/JRadius
[14]: http://coova.org/forum/
[15]: http://coova.org/MailingLists

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如何在Linux中找出IP地址冲突
================================================================================
你们都知道什么是IP地址是吧它们怎样被分配给网络上的设备来代表它们。它们通过DHCP服务器分配并且会经常改变。现在有两种IP地址。动态的一种会经常改变几天一次而静态的就如它的名字那样是静态的意味着它们不会改变。有时这会引发一些冲突。当一个动态IP被分配了并且有另外一台网络设备已经拥有了相同的IP。或者在相同网络子网上有多台分配IP的DHCP服务器。如果你有连通问题并且假设它是由于IP冲突造成的那么你可以使用一个工具称作arp-scan来扫描它们。
这个工具会在本地网络发送ARPAddress Resolution Protocol(地址解析协议)包来收集地址。如果有多个MAC地址声称拥有相同的IP地址那么这里就存在冲突。
要在Ubuntu或者Debian上安装arp-scan则输入
$ sudo apt-get install arp-scan
对于FedoraCentOS或者RedHat
$ sudo yum install arp-scan
要检测IP冲突运行下面的命令:
$ sudo arp-scan I eth0 -l
输出示例:
192.168.1.10 00:1b:a9:63:a2:4c BROTHER INDUSTRIES, LTD.
192.168.1.30 00:1e:8f:58:ec:49 CANON INC.
192.168.1.33 00:25:4b:1b:10:20 Apple, Inc
192.168.1.37 10:9a:dd:55:d7:95 Apple Inc
192.168.1.38 20:c9:d0:27:8d:56 (Unknown)
192.168.1.39 d4:85:64:4d:35:be Hewlett Packard
192.168.1.39 00:0b:46:e4:8e:6d Cisco (DUP: 2)
192.168.1.40 90:2b:34:18:59:c0 (Unknown)
在本例中,**192.168.1.39**这个IP冲突了因为它出现了两次。
--------------------------------------------------------------------------------
via: http://www.unixmen.com/find-ip-conflicts-linux/
译者:[geekpi](https://github.com/geekpi) 校对:[校对者ID](https://github.com/校对者ID)
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Linux 命令黑白备忘录
================================================================================
在你的桌面上保留一份打印的备忘录我保证你会很快学会并成为一个专家。我们已经同时加入pdf和图片(png)两种格式的备忘录。如果你需要我们加入更多命令请保留我们的文章。命令依据它们的用途被分类成13类。我们将命令设计在如我们经常使用的linux shell那样的黑底白字。我们还加入了一些红色来提升注意。:-)
![](http://linoxide.com/guide/linux-cheat-sheet.png)
--------------------------------------------------------------------------------
via: http://linoxide.com/linux-command/linux-commands-cheat-sheet/
译者:[geekpi](https://github.com/译者ID) 校对:[geekpi](https://github.com/校对者ID)
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如果托瓦兹接受了乔布斯的职业建议会怎样?
================================================================================
Linux和Git这两个伟大的开源项目创始人托瓦兹曾被苹果的老板乔布斯提供工作。托瓦兹从未见过微软的比尔盖茨但却在2000年的时候遇上了乔布斯。那时候的他任职于美国半导体设计公司全美达Transmeta。乔布斯邀请托瓦兹去位于库比蒂诺的苹果总部工作为他提供丰厚的薪水和优越的职位但是他在苹果的工作却是与Linux无关的。正是由于这个原因托瓦兹拒绝了乔布斯的邀请。况且托瓦兹根本就不喜欢苹果操作系统的内核Mach。
苹果公司创始人史蒂芬乔布斯曾为 Linux Git 这两个伟大的开源项目创始人托瓦兹提供工作。托瓦兹从未见过微软公司的比尔盖茨但却在2000年的时候遇上了乔布斯。那时候的他任职于美国半导体设计公司全美达Transmeta。乔布斯邀请托瓦兹去位于库比蒂诺的苹果总部工作为他提供丰厚的薪水和优越的职位但是他在苹果的工作却是与Linux无关的。正是由于这个原因托瓦兹拒绝了乔布斯的邀请。况且托瓦兹根本就不喜欢苹果操作系统的内核Mach。
![Linus Torvalds](http://www.tecmint.com/wp-content/uploads/2014/02/Linux-Torvalds.jpg)
### 如果托瓦兹接受了邀请会怎么样?###
在那个时候如果托瓦兹答应乔布斯去苹果工作,那现在的世界就不一样了。我们不会有LinuxKindle和Android。互联网上一半以上的内容和超过九成的服务器都将不复存在。毫不夸张的说世界绝不可能是现在这个样子。
在那个时候如果托瓦兹答应乔布斯去苹果工作,那现在的世界将会不一样。我们不会有 LinuxKindle 和 Android。互联网上一半以上的内容和超过九成的服务器都将不复存在。毫不夸张的说世界绝不可能是现在这个样子。
### 托瓦兹拒绝乔布斯的负面影响有哪些? ###
我们可以看到托瓦兹和乔布斯两个天才在一起工作。或许世界也将从他们俩的合作中获益。但可以肯定的是我们将冒着失去Linux的风险。
本我们可以看到托瓦兹和乔布斯两个天才在一起工作。或许世界也将从他们俩的合作中获益。但可以肯定的是,我们将冒着失去 Linux 的风险。
### 托瓦兹自己 ###
### 托瓦兹为自己代言 ###
有时候托瓦兹由于他那些极具争议的言论而显得傲慢。但这与他对世界的贡献是不相符的。他创造了Linux和Git两个极好的开源项目并使他们自由免费。有许多攻讦托瓦兹的言论说他从没有拿出他的部分收入来改善这个世界。但事实上托瓦兹对于他人贡献是难以想象的。托瓦兹将他最完美的作品变得自由免费。而他本可以从中获得数以亿计的收入。他将他所拥有的一切无私平等地奉献给了整个世界。
有时候,托瓦兹由于他那些极具争议的言论而显得傲慢。但这与他对世界的贡献是不相符的。他创造了 Linux Git 两个极好的开源项目,并使他们自由免费。有许多攻讦托瓦兹的言论说他从没有拿出他的部分收入来改善这个世界。但事实上,托瓦兹对于他人贡献是难以想象的。托瓦兹将他最完美的作品变免费。而他本可以从中获得数以亿计的收入。他将他所拥有的一切无私平等地奉献给了整个世界。
### 托瓦兹作为一个人 ###
### 托瓦兹作为一个普通人 ###
Linux内核的总设计师是一个很好而有趣的人。他谈论着世界的各个方面。他的博客涉及孩子、万圣节和祖国等方方面面。你可以通过博客和G+来关注他。
Linux 内核的总设计师是一个很好又有趣的人。他谈论着世界的各个方面。他的博客涉及孩子、万圣节和祖国等方方面面。你可以通过博客和 G+ 来关注他。
#### 关注托瓦兹的博客 ####
@ -35,8 +35,8 @@ Linux内核的总设计师是一个很好而有趣的人。他谈论着世界的
- 身价15亿美元
- 版本控制系统RCSGit和Linux内核的创始人。
- 托瓦兹更乐于使用开源软件,但他从不介意通过商业软件来获得最佳的效果。
- 在2008年和2012年的采访中托瓦兹表示自己喜欢使用Fedora系统是由于Fedora对于PowerPC系列处理器的良好支持。
- 由于Linux基金会的赞助托瓦兹可以全身心地投入到Linux的开发中去。
- 在2008年和2012年的采访中托瓦兹表示自己喜欢使用 Fedora 系统是由于 Fedora 对于 PowerPC 系列处理器的良好支持。
- 由于 Linux 基金会的赞助托瓦兹可以全身心地投入到Linux的开发中去。
### 托瓦兹的至理名言 ###
@ -44,31 +44,31 @@ Linux内核的总设计师是一个很好而有趣的人。他谈论着世界的
#### 引用 ####
> “托瓦兹不戴眼镜他已经把X11系统当作了他的眼镜所以他不再需要眼镜。”
> “托瓦兹不戴眼镜,他已经把 X11 系统当作了他的眼镜,所以他不再需要眼镜。”
>
> “当你说我写了一款摧毁Windows的软件人们只会一脸茫然地对你说我已经在使用这款免费的软件。”
> “当你说,我写了一款摧毁 Windows 的软件,人们只会一脸茫然地对你说,我已经在使用这款免费的软件。”
>
> “只有懦夫才使用磁盘来维护备份的文件强者将文件上传至公共的FTP服务器让所有人来下载。”
> “只有懦夫才使用磁盘来维护备份的文件,强者将文件上传至公共的 FTP 服务器让所有人来下载。”
>
> “你看为了写出Linux这样的系统你不仅需要是一位好的程序员还要是一个狡猾的坏蛋。”
> “你看,为了写出 Linux 这样的系统,你不仅需要是一位好的程序员,还要是一个狡猾的坏蛋。”
#### 名言 ####
> “让Linux在GPL协议下自由发展是我做的过最美好的事。”
> “让 Linux 在 GPL 协议下自由发展是我做的过最精彩的事。”
### 结论 ###
有些人认为如果托瓦兹没有创造出Linux其他人也可能创造出类似的系。例如“米歇尔”也许会写出一款叫做“Michel”的操作系统。说这些并不是让我们低估托瓦兹的能力牺牲以及他所作的贡献。
有些人认为,如果托瓦兹没有创造出 Linux其他人也可能创造出类似的系。例如“米歇尔”也许会写出一款叫做“Michel”的操作系统。说这些并不是让我们低估托瓦兹的能力牺牲以及他所作的贡献。
托瓦兹是一个救世主、极客、开发者、美国宇航局研究实验室的管理、白帽子黑客等其他托瓦兹所做过的职业。托瓦兹的优越感对于他自己而言没有任何问题。世界也会感谢他的。
这是全部了,我会继续带着你们喜欢的文章和大家见面。请在下面的评论区分享你们宝贵的意见。
这是全部了,我会再次和大家见面并带来你们喜欢的文章。请在下面的评论区分享你们宝贵的意见。
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via: http://www.tecmint.com/what-if-linus-torvalds-would-have-accepted-job-proposal-of-steve-jobs/
译者:[YangYuxiang](https://github.com/YangYuxiang) 校对:[校对者ID](https://github.com/校对者ID)
译者:[YangYuxiang](https://github.com/YangYuxiang) 校对:[Caroline](https://github.com/carolinewuyan)
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Ubuntu, Debian 8, 和Arch Linux 上的仿Windows 7 & 8 桌面美化包
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**开发者完成了新的仿Windows 7/8 的LXDE美化包并且支持了呼声很高的Arch Linux。 **
![](http://i1-news.softpedia-static.com/images/news2/Windows-7-8-Complete-Transformation-Pack-Out-for-Ubuntu-Debian-8-and-Arch-Linux-431448-2.jpg)
不管你喜不喜欢还是有很多人乐意把他们的系统美化成Windows 7或者Windows 8的界面。开发者制作了一个美化包能让这些用户安全的转换并且尽量模仿了Windows 系统的界面。
LXDE的仿Windows 7/8美化包已经存在了一段时间但是它在过去几个月仅仅得到了有限的影响而且安装它也不是那么容易。因为它存在着很特殊的依赖性必须安装LXPanel, LXSession (需要最新的0.4.9版本来更换图标、gtk主题和光标), PCManFM, Compton, Openbox, SliM, gtk2-engines-murrine 和gtk2-engines-pixbuf.
目前这个美化包能运行在Debian (Jessie) 和Ubuntu 上你只需要在官方仓库上下载LXDE的包安装即可。奇怪的是这个包不支持Lubuntu。
关于仿Windows 7/8 美化包的更多信息请访问[官网][1]
下载 WinAte 1.3
- [WinAte 1.3 tar.gz][2][源码] [31 MB]
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via: http://news.softpedia.com/news/Windows-7-8-Complete-Transformation-Pack-Out-for-Ubuntu-Debian-8-and-Arch-Linux-431448.shtml
译者:[NearTan](https://github.com/NearTan) 校对:[校对者ID](https://github.com/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
[1]:http://nhermosilla14.deviantart.com/art/WinAte-Windows-7-8-Transformation-Pack-for-LXDE-430156546
[2]:https://github.com/nhermosilla14/WinAte/archive/1.3.tar.gz