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translated/tech/20191220 The Difference Between DNF and YUM, Why is Yum Replaced by DNF.md → published/20191220 The Difference Between DNF and YUM, Why is Yum Replaced by DNF.md
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[#]: collector: (lujun9972)
[#]: translator: (wxy)
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: reviewer: (wxy)
[#]: publisher: (wxy)
[#]: url: (https://linux.cn/article-12161-1.html)
[#]: subject: (The Difference Between DNF and YUM, Why is Yum Replaced by DNF?)
[#]: via: (https://www.2daygeek.com/comparison-difference-between-dnf-vs-yum/)
[#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/)
DNF 和 YUM 的区别，为什么 YUM 会被 DNF 取代？
DNF 和 Yum 的区别，为什么 Yum 会被 DNF 取代？
======
由于 Yum 中许多长期存在的问题仍未得到解决，因此 [Yum 包管理器][1]已被 [DNF 包管理器][2]取代。这些问题包括性能差、内存占用过多、依赖解析速度变慢等。
DNF 使用 `libsolv` 进行依赖解析，由 SUSE 开发和维护，旨在提高性能。DNF 主要是用 Python 编写的，它有自己的应对依赖解析的方法。
DNF 使用 `libsolv` 进行依赖解析，由 SUSE 开发和维护，旨在提高性能。
Yum 是 RPM 的前端工具，它管理依赖关系和资源库，然后使用 RPM 来安装、下载和删除包。它的 API 没有完整的文档，它的扩展系统只允许 Python 插件。
Yum 主要是用 Python 编写的，它有自己的应对依赖解析的方法。它的 API 没有完整的文档，它的扩展系统只允许 Python 插件。
Yum 是 RPM 的前端工具，它管理依赖关系和资源库，然后使用 RPM 来安装、下载和删除包。
为什么他们要建立一个新的工具，而不是修复现有的问题呢？
@ -33,17 +35,17 @@ Ales Kozamblak 解释说，这个修复在技术上是不可行的，而且 Yum
2 | API 有完整的文档 | API 没有完整的文档
3 | 由 C、C++、Python 编写的 | 只用 Python 编写
4 | DNF 目前在 Fedora、RHEL 8、CentOS 8、OEL 8 和 Mageia 6/7 中使用 | YUM 目前在 RHEL 6/7、CentOS 6/7、OEL 6/7 中使用
5 | DNf 支持各种扩展 | Yum 只支持基于 Python 的扩展
5 | DNF 支持各种扩展 | Yum 只支持基于 Python 的扩展
6 | API 有良好的文档，因此很容易创建新的功能 | 因为 API 没有正确的文档化，所以创建新功能非常困难
7 | DNF 在同步存储库的元数据时，使用的内存较少 | 在同步存储库的元数据时，YUM 使用了过多的内存
8 | DNF 使用满足性算法来解决依赖关系解析（它是用字典的方法来存储和检索包和依赖信息）| 由于使用公开 API 的原因，Yum 依赖性解析变得迟钝
9 | 从内存使用量和版本库元数据的依赖性解析来看，性能都不错 | 总的来说，在很多因素的影响下，表现不佳
10 | DNF 更新：在 DNF 更新过程中，如果包中包含不相关的依赖，则不会更新 | YUM 将在没有验证的情况下更新软件包
11 | 如果启用的存储库没有响应，DNF 将跳过它，并继续使用可用的存储库出来事务 | 如果有存储库不可用，YUM 会立即停止
11 | 如果启用的存储库没有响应，DNF 将跳过它，并继续使用可用的存储库处理事务 | 如果有存储库不可用，YUM 会立即停止
12 | `dnf update` 和 `dnf upgrade` 是等价的 | 在 Yum 中则不同
13 | 安装包的依赖关系不更新 | Yum 为这种行为提供了一个选项
14 | 清理删除的包：当删除一个包时，DNF 会自动删除任何没有被用户明确安装的依赖包 | Yum 不会这样做
15 | 存储库缓存更新计划：默认情况下，系统启动后 10 分钟后，DNF 每小时检查一次对配置的存储库的更新。这个动作由系统定时器单元 `/usr/lib/systemd/system/system/dnf-makecache.timer` 控制 | Yum 也会这样做
15 | 存储库缓存更新计划：默认情况下，系统启动后 10 分钟后，DNF 每小时会对配置的存储库检查一次更新。这个动作由系统定时器单元 `dnf-makecache.timer` 控制 | Yum 也会这样做
16 | 内核包不受 DNF 保护。不像 Yum，你可以删除所有的内核包，包括运行中的内核包 | Yum 不允许你删除运行中的内核
17 | libsolv：用于解包和读取资源库。hawkey: 为 libsolv 提供简化的 C 和 Python API 库。librepo: 提供 C 和 Python（类似 libcURL）API 的库，用于下载 Linux 存储库元数据和软件包。libcomps: 是 yum.comps 库的替代品。它是用纯 C 语言编写的库，有 Python 2 和 Python 3 的绑定。| Yum 不使用单独的库来执行这些功能
18 | DNF 包含 29000 行代码 | Yum 包含 56000 行代码
@ -56,7 +58,7 @@ via: https://www.2daygeek.com/comparison-difference-between-dnf-vs-yum/
作者：[Magesh Maruthamuthu][a]
选题：[lujun9972][b]
译者：[wxy](https://github.com/wxy)
校对：[校对者ID](https://github.com/校对者ID)
校对：[wxy](https://github.com/wxy)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出

41
translated/tech/20200421 MystiQ- A Free and Open Source Audio-Video Converter.md → published/20200421 MystiQ- A Free and Open Source Audio-Video Converter.md
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[#]: collector: (lujun9972)
[#]: translator: (geekpi)
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: reviewer: (wxy)
[#]: publisher: (wxy)
[#]: url: (https://linux.cn/article-12160-1.html)
[#]: subject: (MystiQ: A Free and Open Source Audio/Video Converter)
[#]: via: (https://itsfoss.com/mystiq/)
[#]: author: (Ankush Das https://itsfoss.com/author/ankush/)
MystiQ：一个免费开源音频/视频转换器
MystiQ：一个自由开源的音视频转换器
======
_**简述：MystiQ 是可用于 Linux 和 Windows 的新开源视频转换器工具。它的底层使用 FFMPEG，并为你提供基于 Qt 的整洁干净的图形界面。**_
![](https://img.linux.net.cn/data/attachment/album/202004/28/223258cr9rxzyrj344kh68.jpg)
> MystiQ 是一款全新的开源视频转换工具，适用于 Linux 和 Windows。它的底层使用 FFMPEG，并为你提供了一个基于 Qt 的整洁干净的图形界面。
### MystiQ，一个基于 QT 的 FFmpeg GUI 前端
![][1]
一个音频/视频转换工具可为跨多个平台的每位计算机用户提供方便。
音频/视频转换工具可为每位跨多个平台的计算机用户提供方便。
出于同样的原因，我着重介绍 [MystiQ][2] 是个好主意，这是一个相对较新的视频/音频转换器工具，可用于 Linux 和 Windows。截至目前，它还不支持 macOS，但可能会在不久的将来出现。
出于同样的原因，我想着重介绍 [MystiQ][2] 是个好主意，这是一个相对较新的视频/音频转换器工具，适用于 Linux 和 Windows。截至目前，它还不支持 macOS，但可能会在不久的将来支持。
MystiQ 是基于 [Qt 5 界面][4]的 [FFmpeg][3] 图形前端。 现在，你可以随时[在 Linux 命令行中安装并使用 ffmpeg][5]，但这不是很舒服，是吗？ 这就是为什么 [Handbrake][6] 和 MystiQ 之类的工具可以使我们的生活更轻松的原因。
MystiQ 是基于 [Qt 5 界面][4]的 [FFmpeg][3] 图形前端。现在，你可以随时[在 Linux 命令行中安装并使用 ffmpeg][5]，但这不是很舒服，是吗？这就是为什么 [Handbrake][6] 和 MystiQ 之类的工具可以使我们的生活更方便的原因。
由于 MystiQ 基于 FFmpeg，因此你可以将其用于一些基本的视频编辑，例如修剪、旋转等。
@ -34,36 +36,31 @@ MystiQ 是基于 [Qt 5 界面][4]的 [FFmpeg][3] 图形前端。 现在，你可
* 视频转换
* 音频转换（也可从视频中提取音频）
* 支持格式：MP4、WEBM、MKV、MP3、MOV、OGG、WAV、ASF、FLV、3GP、M4A 等。
* 支持的格式：MP4、WEBM、MKV、MP3、MOV、OGG、WAV、ASF、FLV、3GP、M4A 等。
* 跨平台（Windows 和 Linux）
* 适用于 32 位和 64 位系统的安装包
* 能够调整音频质量（采样率、比特率等）进行转换
* **基本视频编辑功能**（剪辑视频、插入字幕、旋转视频、缩放视频等）
* 基本的视频编辑功能（剪辑视频、插入字幕、旋转视频、缩放视频等）
* 将彩色视频转换为黑白
* 可轻松转换视频的多个预设以获得最佳质量或获得最佳压缩效果。
#### [在 Linux 中使用 SoundConverter 轻松转换音频文件格式][9]
如果你想将音频文件格式转换为 wav、mp3、ogg 或任何其他格式，SoundConverter 是你在 Linux 中所需的工具。
* 有几个预设方案，可轻松转换视频以获得最佳质量或获得最佳压缩效果。
### 安装 MystiQ
你可能没有在软件中心中找到它，但将它安装在 Linux 发行版上非常容易。
它提供了 **.AppImage** 文件和 **.deb/.rpm** 文件（32 位和 64 位软件包）。如果你好奇想使用的话，可以阅读[如何使用 AppImage 文件][10]。
它提供了 .AppImage 文件和 .deb / .rpm 文件（32 位和 64 位软件包）。如果你不清楚如何使用的话，可以阅读[如何使用 AppImage 文件][10]。
如果你想帮助他们测试软件进行改进，你还可以找到他们的 [GitHub 页面][11]，并查看源码或任何近期的预发布软件包。
你可以在其官方网站下载适用于 Linux 和 Windows 的安装程序文件。
[下载 MystiQ][2]
- [下载 MystiQ][2]
**总结**
### 总结
在本文中，我使用 [Pop!\_OS][12] 20.04 测试了 MytiQ 转换器，并且在转换视频和音频时没遇到问题。而且，对于像我这样的普通用户来说，它的转换速度足够快。
在本文中，我使用 [Pop!_OS][12] 20.04 测试了 MytiQ 转换器，并且在转换视频和音频时没遇到任何问题。而且，对于像我这样的普通用户来说，它的转换速度足够快。
请尝试一下，让我知道你对它的想法！另外，如果你在 Linux 上一直使用其他工具转换视频和音频，那它是什么？
欢迎尝试一下，让我知道你对它的想法！另外，如果你在 Linux 上一直使用其他工具转换视频和音频，那它是什么？
--------------------------------------------------------------------------------
@ -72,7 +69,7 @@ via: https://itsfoss.com/mystiq/
作者：[Ankush Das][a]
选题：[lujun9972][b]
译者：[geekpi](https://github.com/geekpi)
校对：[校对者ID](https://github.com/校对者ID)
校对：[wxy](https://github.com/wxy)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出

77
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[#]: collector: (lujun9972)
[#]: translator: ( )
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (Fedora 32 is officially here!)
[#]: via: (https://fedoramagazine.org/announcing-fedora-32/)
[#]: author: (Matthew Miller https://fedoramagazine.org/author/mattdm/)
Fedora 32 is officially here!
======
![][1]
It’s here! We’re proud to announce the release of Fedora 32. Thanks to the hard work of thousands of Fedora community members and contributors, we’re celebrating yet another on-time release.
If you just want to get to the bits without delay, head over to <https://getfedora.org/> right now. For details, read on!
## **All of Fedora’s Flavors**
Fedora Editions are targeted outputs geared toward specific “showcase” uses.
Fedora Workstation focuses on the desktop. In particular, it’s geared toward software developers who want a “just works” Linux operating system experience. This release features [GNOME 3.36][2], which has plenty of great improvements as usual. My favorite is the new lock screen!
Fedora Server brings the latest in cutting-edge open source server software to systems administrators in an easy-to-deploy fashion. For edge computing use cases, [Fedora IoT][3] provides a strong foundation for IoT ecosystems.
Fedora CoreOS is an emerging Fedora Edition. It’s an automatically-updating, minimal operating system for running containerized workloads securely and at scale. It offers several [update streams][4] that can be followed for automatic updates that occur roughly every two weeks. Currently the **next** stream is based on Fedora 32, with the **testing** and **stable** streams to follow. You can find information about released artifacts that follow the **next** stream from [the download page][5] and information about how to use those artifacts in the [Fedora CoreOS Documentation][6].
Of course, we produce more than just the editions. [Fedora Spins][7] and [Labs][8] target a variety of audiences and use cases, including the [Fedora Astronomy Lab][9], which brings a complete open source toolchain to both amateur and professional astronomers, and desktop environments like [KDE Plasma][10] and [Xfce][11]. New in Fedora 32 is the [Comp Neuro Lab][12], developed by our Neuroscience Special Interest Group to enable computational neuroscience.
And, don’t forget our alternate architectures: [ARM AArch64, Power, and S390x][13]. Of particular note, we have improved support for the Rockchip system-on-a-chip devices including the Rock960, RockPro64, and Rock64.
**General improvements**
No matter what variant of Fedora you use, you’re getting the latest the open source world has to offer. Following our “[First][14]” foundation, we’ve updated key programming language and system library packages, including GCC 10, Ruby 2.7, and Python 3.8. Of course, with Python 2 past end-of-life, we’ve removed most Python 2 packages from Fedora. A legacy python27 package is provided for developers and users who still need it. In Fedora Workstation, we’ve enabled the EarlyOOM service by default to improve the user experience in low-memory situations.
We’re excited for you to try out the new release! Go to <https://getfedora.org/> and download it now. Or if you’re already running a Fedora operating system, follow the easy [upgrade instructions][15].
## **In the unlikely event of a problem….**
If you run into a problem, check out the [Fedora 32 Common Bugs][16] page, and if you have questions, visit our [Ask Fedora][17] user-support platform.
## **Thank you everyone**
Thanks to the thousands of people who contributed to the Fedora Project in this release cycle, and especially to those of you who worked extra hard to make this another on-time release during a pandemic. Fedora is a community, and it’s great to see how much we’ve supported each other. I invite you to join us in the [Red Hat Summit Virtual Experience][18] 28-29 April to learn more about Fedora and other communities.
--------------------------------------------------------------------------------
via: https://fedoramagazine.org/announcing-fedora-32/
作者：[Matthew Miller][a]
选题：[lujun9972][b]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://fedoramagazine.org/author/mattdm/
[b]: https://github.com/lujun9972
[1]: https://fedoramagazine.org/wp-content/uploads/2020/04/f32-final-816x345.png
[2]: https://www.gnome.org/news/2020/03/gnome-3-36-released/
[3]: https://iot.fedoraproject.org/
[4]: https://docs.fedoraproject.org/en-US/fedora-coreos/update-streams/
[5]: https://getfedora.org/en/coreos/download?stream=next
[6]: https://docs.fedoraproject.org/en-US/fedora-coreos/getting-started/
[7]: https://spins.fedoraproject.org/
[8]: https://labs.fedoraproject.org/
[9]: https://labs.fedoraproject.org/en/astronomy/
[10]: https://spins.fedoraproject.org/en/kde/
[11]: https://spins.fedoraproject.org/en/xfce/
[12]: https://labs.fedoraproject.org/en/comp-neuro
[13]: https://alt.fedoraproject.org/alt/
[14]: https://docs.fedoraproject.org/en-US/project/#_first
[15]: https://docs.fedoraproject.org/en-US/quick-docs/upgrading/
[16]: https://fedoraproject.org/wiki/Common_F32_bugs
[17]: http://ask.fedoraproject.org
[18]: https://www.redhat.com/en/summit

112
sources/news/20200429 Manjaro 20 Lysia Arrives with ZFS and Snap Support.md Normal file
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[#]: collector: (lujun9972)
[#]: translator: ( )
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (Manjaro 20 Lysia Arrives with ZFS and Snap Support)
[#]: via: (https://itsfoss.com/manjaro-20-release/)
[#]: author: (Abhishek Prakash https://itsfoss.com/author/abhishek/)
Manjaro 20 Lysia Arrives with ZFS and Snap Support
======
_**Manjaro Linux has refreshed its ISO with Manjaro 20 “Lysia”. It now supports Snap and Flatpak packages in Pamac. ZFS option is added in Manjaro Architect installer and the latest kernel 5.6 is used as the base.**_
It’s raining new distribution releases. Ubuntu 20.04 LTS was released last week. Fedora 32 will be releasing shortly and [Manjaro has released version 20][1] codenamed Lysia.
### What’s new in Manjaro 20 Lysia?
Plenty actually. Let me show you some of the major new features in Manjaro 20.
#### New Matcha theme
Manjaro 20 has a new default theme called Matcha. It gives the desktop a more polished look.
![][2]
#### Snap and Flatpak support in Pamac and terminal
Snap and Flatpak package support is improved. You can use them in command line if you want.
You can also enable Snap and Flatpak support in the Pamac GUI package manager.
![Enable Snap support in Pamac Manjaro][3]
Once enabled, you can find and install Snap/Flatpak applications in the Pamac software manager.
![Snap applications in Pamac][4]
#### Pamac offers to install new software based on search (in GNOME)
In the GNOME variant, if you search for something, Pamac software manager will now offer to install software that match the query. GNOME Software Center does that in other distributions that use GNOME desktop.
#### ZFS support lands in Manjaro Architect
You can now easily use ZFS as root in Manjaro Linux. The [ZFS file system][5] support is available in [Manjaro Architect][6].
Do note that I am saying Manjaro Architect, the terminal based installer. It’s not the same as the regular graphical [Calamares installer][7].
![][8]
#### Linux kernel 5.6
The latest stable [Linux kernel 5.6][9] brings more hardware support for thunderbolt, Nvidia and USB4. You can also use [WireGuard VPN][10].
![][11]
#### Miscellaneous other features
* New desktop environment versions: Xfce 4.14, GNOME 3.36 and KDE Plasma 5.18
* zsh is the new default shell
* Display-Profiles allows you to store one or more profiles for your preferred display configuration
* Improved Gnome-Layout-Switcher
* Latest drivers
* Improved and polished Manjaro tools
### How to get Manjaro 20 Lysia?
_**If you are already using it, just update your Manjaro Linux system and you should already be using version 20.**_
Manjaro uses a rolling release model which means you don’t have to manually upgrade from one version to another. You don’t have to reinstall as soon as there is a new version is released.
If Manjaro is rolling release distribution, why does it release a new version every now and then? It’s because they have to refresh the ISO so that new users downloading Manjaro will not have to install updates for last few years. This is why Arch Linux also refreshes its ISO every month.
Manjaro ‘ISO refreshes’ are codenamed and have a version because it helps the developers clearly mark each stage of development.
So, the bottom line is that if you are already using it, just [update your Manjaro Linux system][12] using Pamac or command line.
If you want to try Manjaro or if you want to use ZFS, then you can [install Manjaro][13] by downloading the ISO from its website:
[Download Manjaro Linux][14]
Enjoy the new release of Manjaro Linux.
--------------------------------------------------------------------------------
via: https://itsfoss.com/manjaro-20-release/
作者：[Abhishek Prakash][a]
选题：[lujun9972][b]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://itsfoss.com/author/abhishek/
[b]: https://github.com/lujun9972
[1]: https://forum.manjaro.org/t/manjaro-20-0-lysia-released/138633
[2]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2020/04/manjaro-20-lysia.jpeg?resize=800%2C440&ssl=1
[3]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2020/04/enable-snap-in-pamac-manjaro.jpg?resize=800%2C490&ssl=1
[4]: https://i1.wp.com/itsfoss.com/wp-content/uploads/2020/04/snap-app-pacman.jpg?resize=800%2C489&ssl=1
[5]: https://itsfoss.com/what-is-zfs/
[6]: https://itsfoss.com/manjaro-architect-review/
[7]: https://calamares.io/
[8]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2020/04/pacman-prompts-install-apps.jpg?resize=800%2C331&ssl=1
[9]: https://itsfoss.com/linux-kernel-5-6/
[10]: https://itsfoss.com/wireguard/
[11]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2020/04/manjaro-20-neofetch-screen.jpg?resize=800%2C495&ssl=1
[12]: https://itsfoss.com/update-arch-linux/
[13]: https://itsfoss.com/install-manjaro-linux/
[14]: https://manjaro.org/download/

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[#]: collector: (lujun9972)
[#]: translator: (geekpi)
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (Rambox is an All-in-one Messenger for Linux)
[#]: via: (https://itsfoss.com/rambox/)
[#]: author: (Ankush Das https://itsfoss.com/author/ankush/)
Rambox is an All-in-one Messenger for Linux
======
_**Brief: Rambox is an all-in-one messenger that lets you combine multiple services like Discord, Slack, Facebook Messenger and hundreds of more such services in one place.**_
### Rambox: Add multiple messaging Services in a single app
![][1]
Rambox is one of the best ways to manage multiple services for communication through a single app installed. You can use [multiple messaging services][2] like Facebook Messenger, Gmail chats, AOL, Discord, Google Duo, [Viber][3] and a lot more from the same interface.
This way, you don’t need to install individual apps or keep them opened in browser all the time. You can use a master password to lock the Rambox application. You can also use do not disturb feature.
Rambox offers an [open source community edition][4] which is free to use. The paid pro version gives you access to 600+ apps while the community addition has 99+ apps. Pro version has additional features like themes, hibernation, ad-block, spell check and premium support.
Don’t worry. The open source community edition itself is quite useful and you may not even need those pro features.
### Features of Rambox
![][5]
While you should find most of the essential features in the open-source edition, you might notice some of them limited to the pro version.
Here, I’ve mentioned all the essential features available:
* You get about 100 apps/services to choose from in the open-source edition
* Ability to protect the app with a single Master password lock
* Ability to lock each session that you load up
* Do Not Disturb mode
* Ability to sync apps and configuration across multiple devices.
* You can create and add custom apps
* Support for keyboard shortcuts
* Ability to enable/disable apps without needing to delete them
* JS &amp; CSS injection support to tweak the styling of apps
* Ad-block (**pro version**)
* Hibernation support (**pro version**)
* Theme support (**pro version**)
* Mobile view **(pro version)**
* Spell check **(pro version)**
* Work hours – to schedule a time for incoming notifications **(pro version)**
* Proxies support **(pro version)**
In addition to what I’ve listed here, you might find some more features in the Rambox Pro edition. To know more about it, you can refer to the [official list of features][6].
It is also worth noting that you cannot have more than 3 active simultaneous device connections.
### Installing Rambox on Linux
You can easily get started using Rambox using the **.AppImage** file available on the [official download page][4]. If you’re curious, you can refer our guide on how to [use the AppImage file on Linux][7].
In either case, you can also get it from the [Snap store][8]. Also, feel free to check their [GitHub releases section][9] for **.deb / .rpm** or other packages.
[Download Rambox Community Edition][4]
### Wrapping Up
It can be a little overwhelming to have a lot of apps installed using Rambox. So, I’d suggest you monitor the RAM usage when adding more apps and using them for work.
There is also a similar app called [Franz][10] which is also part open source and part premium like Rambox.
Even though solutions like Rambox or Franz are quite useful, they aren’t always resource-friendly, specially if you start using tens of services at the same time. So, keep an eye on your system resources (if you notice a performance impact).
Otherwise, it’s an impressive app that does the work that you’d expect. Have you tried it out? Feel free to let me know your thoughts!
--------------------------------------------------------------------------------
via: https://itsfoss.com/rambox/
作者：[Ankush Das][a]
选题：[lujun9972][b]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://itsfoss.com/author/ankush/
[b]: https://github.com/lujun9972
[1]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2020/03/rambox-ce.jpg?ssl=1
[2]: https://itsfoss.com/best-messaging-apps-linux/
[3]: https://itsfoss.com/viber-linux-client-beta-install/
[4]: https://rambox.pro/#ce
[5]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2020/03/rambox-preferences.png?ssl=1
[6]: https://rambox.pro/#features
[7]: https://itsfoss.com/use-appimage-linux/
[8]: https://snapcraft.io/rambox
[9]: https://github.com/ramboxapp/community-edition/releases
[10]: https://itsfoss.com/franz-messaging-app/

2
sources/tech/20200424 16 Things to do After Installing Ubuntu 20.04.md
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[#]: collector: (lujun9972)
[#]: translator: ( )
[#]: translator: (qfzy1233)
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )

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[#]: collector: (lujun9972)
[#]: translator: ( )
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (Upgrading Fedora 31 to Fedora 32)
[#]: via: (https://fedoramagazine.org/upgrading-fedora-31-to-fedora-32/)
[#]: author: (Adam Šamalík https://fedoramagazine.org/author/asamalik/)
Upgrading Fedora 31 to Fedora 32
======
![][1]
Fedora 32 [is available now][2]. You’ll likely want to upgrade your system to get the latest features available in Fedora. Fedora Workstation has a graphical upgrade method. Alternatively, Fedora offers a command-line method for upgrading Fedora 30 to Fedora 31.
Before upgrading, visit the [wiki page of common Fedora 32 bugs][3] to see if there’s an issue that might affect your upgrade. Although the Fedora community tries to ensure upgrades work well, there’s no way to guarantee this for every combination of hardware and software that users might have.
### Upgrading Fedora 31 Workstation to Fedora 32
Soon after release time, a notification appears to tell you an upgrade is available. You can click the notification to launch the **GNOME Software** app. Or you can choose Software from GNOME Shell.
Choose the _Updates_ tab in GNOME Software and you should see a screen informing you that Fedora 32 is Now Available.
If you don’t see anything on this screen, try using the reload button at the top left. It may take some time after release for all systems to be able to see an upgrade available.
Choose _Download_ to fetch the upgrade packages. You can continue working until you reach a stopping point, and the download is complete. Then use GNOME Software to restart your system and apply the upgrade. Upgrading takes time, so you may want to grab a coffee and come back to the system later.
### Using the command line
If you’ve upgraded from past Fedora releases, you are likely familiar with the _dnf upgrade_ plugin. This method is the recommended and supported way to upgrade from Fedora 31 to Fedora 32. Using this plugin will make your upgrade to Fedora 32 simple and easy.
#### 1\. Update software and back up your system
Before you do start the upgrade process, make sure you have the latest software for Fedora 31. This is particularly important if you have modular software installed; the latest versions of dnf and GNOME Software include improvements to the upgrade process for some modular streams. To update your software, use _GNOME Software_ or enter the following command in a terminal.
```
sudo dnf upgrade --refresh
```
Additionally, make sure you back up your system before proceeding. For help with taking a backup, see [the backup series][4] on the Fedora Magazine.
#### 2\. Install the DNF plugin
Next, open a terminal and type the following command to install the plugin:
```
sudo dnf install dnf-plugin-system-upgrade
```
#### 3\. Start the update with DNF
Now that your system is up-to-date, backed up, and you have the DNF plugin installed, you can begin the upgrade by using the following command in a terminal:
```
sudo dnf system-upgrade download --releasever=32
```
This command will begin downloading all of the upgrades for your machine locally to prepare for the upgrade. If you have issues when upgrading because of packages without updates, broken dependencies, or retired packages, add the _‐‐allowerasing_ flag when typing the above command. This will allow DNF to remove packages that may be blocking your system upgrade.
#### 4\. Reboot and upgrade
Once the previous command finishes downloading all of the upgrades, your system will be ready for rebooting. To boot your system into the upgrade process, type the following command in a terminal:
```
sudo dnf system-upgrade reboot
```
Your system will restart after this. Many releases ago, the _fedup_ tool would create a new option on the kernel selection / boot screen. With the _dnf-plugin-system-upgrade_ package, your system reboots into the current kernel installed for Fedora 31; this is normal. Shortly after the kernel selection screen, your system begins the upgrade process.
Now might be a good time for a coffee break! Once it finishes, your system will restart and you’ll be able to log in to your newly upgraded Fedora 32 system.
![][5]
### Resolving upgrade problems
On occasion, there may be unexpected issues when you upgrade your system. If you experience any issues, please visit the [DNF system upgrade quick docs][6] for more information on troubleshooting.
If you are having issues upgrading and have third-party repositories installed on your system, you may need to disable these repositories while you are upgrading. For support with repositories not provided by Fedora, please contact the providers of the repositories.
--------------------------------------------------------------------------------
via: https://fedoramagazine.org/upgrading-fedora-31-to-fedora-32/
作者：[Adam Šamalík][a]
选题：[lujun9972][b]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://fedoramagazine.org/author/asamalik/
[b]: https://github.com/lujun9972
[1]: https://fedoramagazine.org/wp-content/uploads/2020/04/31-32-816x345.png
[2]: https://fedoramagazine.org/announcing-fedora-32/
[3]: https://fedoraproject.org/wiki/Common_F32_bugs
[4]: https://fedoramagazine.org/taking-smart-backups-duplicity/
[5]: https://cdn.fedoramagazine.org/wp-content/uploads/2016/06/Screenshot_f23-ws-upgrade-test_2016-06-10_110906-1024x768.png
[6]: https://docs.fedoraproject.org/en-US/quick-docs/dnf-system-upgrade/#Resolving_post-upgrade_issues

2
sources/tech/20200428 Using Files and Folders on Desktop Screen in Ubuntu.md
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[#]: translator: ( )
[#]: translator: (geekpi)
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[#]: publisher: ( )
[#]: url: ( )

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[#]: collector: (lujun9972)
[#]: translator: ( )
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (What’s new in Fedora 32 Workstation)
[#]: via: (https://fedoramagazine.org/whats-new-fedora-32-workstation/)
[#]: author: (Ryan Lerch https://fedoramagazine.org/author/ryanlerch/)
What’s new in Fedora 32 Workstation
======
![][1]
Fedora 32 Workstation is the [latest release][2] of our free, leading-edge operating system. You can download it from [the official website here][3] right now. There are several new and noteworthy changes in Fedora 32 Workstation. Read more details below.
### GNOME 3.36
Fedora 32 Workstation includes the latest release of GNOME Desktop Environment for users of all types. GNOME 3.36 in Fedora 32 Workstation includes many updates and improvements, including:
#### Redesigned Lock Screen
The lock screen in Fedora 32 is a totally new experience. The new design removes the “window shade” metaphor used in previous releases, and focuses on ease and speed of use.
![Unlock screen in Fedora 32][4]
#### New Extensions Application
Fedora 32 features the new Extensions application, to easily manage your GNOME Extensions. In the past, extensions were installed, configured, and enabled using either the Software application and / or the Tweak Tool.
![The new Extensions application in Fedora 32][5]
Note that the Extensions application is not installed by default on Fedora 32. To either use the Software application to search and install, or use the following command in the terminal:
```
sudo dnf install gnome-extensions-app
```
#### Reorganized Settings
Eagle-eyed Fedora users will notice that the Settings application has been re-organized. The structure of the settings categories is a lot flatter, resulting in more settings being visible at a glance.
Additionally, the **About** category now has a more information about your system, including which windowing system you are running (e.g. Wayland)
![The reorganized settings application in Fedora 32][6]
#### Redesigned Notifications / Calendar popover
The Notifications / Calendar popover — toggled by clicking on the Date and Time at the top of your desktop — has had numerous small style tweaks. Additionally, the popover now has a **Do Not Disturb** switch to quickly disable all notifications. This quick access is useful when presenting your screen, and not wanting your personal notifications appearing.
![The new Notification / Calendar popover in Fedora 32 ][7]
#### Redesigned Clocks Application
The Clocks application is totally redesigned in Fedora 32. It features a design that works better on smaller windows.
![The Clocks application in Fedora 32][8]
GNOME 3.36 also provides many additional features and enhancements. Check out the [GNOME 3.36 Release Notes][9] for further information
* * *
### Improved Out of Memory handling
Previously, if a system encountered a low-memory situation, it may have encountered heavy swap usage (aka [swap thrashing][10])– sometimes resulting in the Workstation UI slowing down, or becoming unresponsive for periods of time. Fedora 32 Workstation now ships and enables EarlyOOM by default. EarlyOOM enables users to more quickly recover and regain control over their system in low-memory situations with heavy swap usage.
--------------------------------------------------------------------------------
via: https://fedoramagazine.org/whats-new-fedora-32-workstation/
作者：[Ryan Lerch][a]
选题：[lujun9972][b]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://fedoramagazine.org/author/ryanlerch/
[b]: https://github.com/lujun9972
[1]: https://fedoramagazine.org/wp-content/uploads/2020/04/fedora32workstation-816x345.jpg
[2]: https://fedoramagazine.org/announcing-fedora-32/
[3]: https://getfedora.org/workstation
[4]: https://fedoramagazine.org/wp-content/uploads/2020/04/unlock.gif
[5]: https://fedoramagazine.org/wp-content/uploads/2020/04/extensions.png
[6]: https://fedoramagazine.org/wp-content/uploads/2020/04/settings.png
[7]: https://fedoramagazine.org/wp-content/uploads/2020/04/donotdisturb.png
[8]: https://fedoramagazine.org/wp-content/uploads/2020/04/clocks.png
[9]: https://help.gnome.org/misc/release-notes/3.36/
[10]: https://en.wikipedia.org/wiki/Thrashing_(computer_science)

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[#]: collector: (lujun9972)
[#]: translator: (geekpi)
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (Rambox is an All-in-one Messenger for Linux)
[#]: via: (https://itsfoss.com/rambox/)
[#]: author: (Ankush Das https://itsfoss.com/author/ankush/)
Rambox 是 Linux 中多合一的消息收发工具
======
_**简介：Rambox 是一个多合一消息收发工具，允许你将多种服务（如 Discord、Slack、Facebook Messenger）和数百个此类服务结合在一起。**_
### Rambox：在单个应用中添加多个消息服务
![][1]
Rambox 是通过安装单个应用管理多个通信服务的最佳方式之一。你可以在一个界面使用[多个消息服务][2]，如 Facebook Messenger、Gmail chats、AOL、Discord、Google Duo、[Viber][3] 等。
这样，你就不需要安装单独的应用或者在浏览器中保持打开。你可以使用主密码锁定 Rambox 应用。你还可以使用"请勿打扰"功能。
Rambox 提供可免费使用的[开源社区版][4]。付费专业版允许你访问 600 多个应用，而社区版则包含 99 多个应用。专业版本具有额外的功能，如主题、休眠、ad-block、拼写检查和高级支持。
不用担心。开源社区版本身非常有用，你甚至不需要这些专业功能。
### Rambox 的功能
![][5]
虽然你应该在开源版中找到大多数基本功能，但你可能会注意到其中一些功能仅限于专业版。
此处，我说下所有的基本功能：
* 在开源版本中，你有大约 100 个应用/服务可供选择
* 能够使用单个主密码锁保护应用
* 能够锁定加载的每个会话
* 请勿打扰模式
* 能够跨多个设备同步应用和配置
* 你可以创建和添加自定义应用
* 支持键盘快捷键
* 启用/禁用应用而无需删除它们
* JS 和 CSS 注入支持，以调整应用的样式
* Ad-block （**专业版**）
* 休眠支持 （**专业版**）
* 主题支持（**专业版**）
* 移动视图 （**专业版**）
* 拼写检查 （**专业版**）
* 工作时间 - 计划传入通知时间 （**专业版**）
* 代理支持 （**专业版**）
除了我在这里列出的内容外，你还可以在 Rambox Pro 版本中找到更多功能。要了解有关它的更多信息，你可以参考[正式功能列表][6]。
还值得注意的是，你不能有超过 3 个活跃并发设备连接。
### 在 Linux 上安装 Rambox
你可以在[官方下载页][4]获取 **.AppImage** 文件来运行 Rambox。如果你好奇，你可以参考我们的指南，了解如何[在 Linux 上使用 AppImage 文件][7]。
另外，你也可以从 [Snap 商店][8]获取它。此外，请查看其 [GitHub release][9] 部分的 **.deb / .rpm** 或其他包。
[Download Rambox Community Edition][4]
### 总结
使用 Rambox 安装大量应用可能会有点让人不知所措。因此，我建议你在添加更多应用并将其用于工作时监视内存使用情况。
还有一个类似的应用称为 [Franz][10]，它也像 Rambox 部分开源、部分高级版。
尽管像 Rambox 或 Franz 这样的解决方案非常有用，但它们并不总是资源友好，特别是如果你同时使用数十个服务。因此，请留意系统资源（如果你注意到对性能的影响）。
除此之外，这是一个令人印象深刻的应用。你有试过了么？欢迎随时让我知道你的想法！
--------------------------------------------------------------------------------
via: https://itsfoss.com/rambox/
作者：[Ankush Das][a]
选题：[lujun9972][b]
译者：[geekpi](https://github.com/geekpi)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://itsfoss.com/author/ankush/
[b]: https://github.com/lujun9972
[1]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2020/03/rambox-ce.jpg?ssl=1
[2]: https://itsfoss.com/best-messaging-apps-linux/
[3]: https://itsfoss.com/viber-linux-client-beta-install/
[4]: https://rambox.pro/#ce
[5]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2020/03/rambox-preferences.png?ssl=1
[6]: https://rambox.pro/#features
[7]: https://itsfoss.com/use-appimage-linux/
[8]: https://snapcraft.io/rambox
[9]: https://github.com/ramboxapp/community-edition/releases
[10]: https://itsfoss.com/franz-messaging-app/