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[#]: collector: (lujun9972)
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[#]: translator: (geekpi)
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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[#]: subject: (Upgrading Fedora 29 to Fedora 30)
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[#]: via: (https://fedoramagazine.org/upgrading-fedora-29-to-fedora-30/)
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[#]: author: (Ryan Lerch https://fedoramagazine.org/author/ryanlerch/)
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Upgrading Fedora 29 to Fedora 30
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======
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![][1]
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Fedora 30 i[s available now][2]. You’ll likely want to upgrade your system to the latest version of Fedora. Fedora Workstation has a graphical upgrade method. Alternatively, Fedora offers a command-line method for upgrading Fedora 29 to Fedora 30.
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### Upgrading Fedora 29 Workstation to Fedora 30
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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.
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Choose the _Updates_ tab in GNOME Software and you should see a screen informing you that Fedora 30 is Now Available.
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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.
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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.
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### Using the command line
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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 29 to Fedora 30. Using this plugin will make your upgrade to Fedora 30 simple and easy.
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##### 1\. Update software and back up your system
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Before you do anything, you will want to make sure you have the latest software for Fedora 29 before beginning the upgrade process. To update your software, use _GNOME Software_ or enter the following command in a terminal.
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```
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sudo dnf upgrade --refresh
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```
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Additionally, make sure you back up your system before proceeding. For help with taking a backup, see [the backup series][3] on the Fedora Magazine.
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##### 2\. Install the DNF plugin
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Next, open a terminal and type the following command to install the plugin:
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```
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sudo dnf install dnf-plugin-system-upgrade
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```
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##### 3\. Start the update with DNF
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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:
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```
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sudo dnf system-upgrade download --releasever=30
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```
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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.
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##### 4\. Reboot and upgrade
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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:
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```
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sudo dnf system-upgrade reboot
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```
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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 29; this is normal. Shortly after the kernel selection screen, your system begins the upgrade process.
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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 30 system.
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![][4]
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### Resolving upgrade problems
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On occasion, there may be unexpected issues when you upgrade your system. If you experience any issues, please visit the [DNF system upgrade wiki page][5] for more information on troubleshooting in the event of a problem.
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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.
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--------------------------------------------------------------------------------
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via: https://fedoramagazine.org/upgrading-fedora-29-to-fedora-30/
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作者：[Ryan Lerch][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://fedoramagazine.org/author/ryanlerch/
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[b]: https://github.com/lujun9972
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[1]: https://fedoramagazine.org/wp-content/uploads/2019/04/29-30-816x345.jpg
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[2]: https://fedoramagazine.org/announcing-fedora-30/
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[3]: https://fedoramagazine.org/taking-smart-backups-duplicity/
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[4]: https://cdn.fedoramagazine.org/wp-content/uploads/2016/06/Screenshot_f23-ws-upgrade-test_2016-06-10_110906-1024x768.png
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[5]: https://fedoraproject.org/wiki/DNF_system_upgrade#Resolving_post-upgrade_issues
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96
translated/tech/20190430 Upgrading Fedora 29 to Fedora 30.md
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96
translated/tech/20190430 Upgrading Fedora 29 to Fedora 30.md
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@ -0,0 +1,96 @@
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[#]: collector: (lujun9972)
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[#]: translator: (geekpi)
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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[#]: subject: (Upgrading Fedora 29 to Fedora 30)
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[#]: via: (https://fedoramagazine.org/upgrading-fedora-29-to-fedora-30/)
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[#]: author: (Ryan Lerch https://fedoramagazine.org/author/ryanlerch/)
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将 Fedora 29 升级到 Fedora 30
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======
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![][1]
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Fedora 30 [现在发布了][2]。你可能希望将系统升级到最新版本的 Fedora。Fedora Workstation 有图形化升级的方法。另外，Fedora 也提供了一个命令行方法，用于将 Fedora 29 升级到 Fedora 30。
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### 将 Fedora 29 Workstation 升级到 Fedora 30
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在发布不久后，桌面会显示一条通知告诉你可以升级。你可以单击通知启动 **GNOME Software** 应用。或者你可以从 GNOME Shell 中选择 Software。
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在 GNOME Software 中选择_更新_选项卡，你会看到一个页面通知你可以更新 Fedora 30。
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如果你在屏幕上看不到任何内容，请尝试点击左上角的重新加载按钮。发布后，所有系统都可能需要一段时间才能看到可用的升级。
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选择_下载_获取升级包。你可以继续做其他的事直到下载完成。然后使用 GNOME Software 重启系统并应用升级。升级需要时间，因此你可以喝杯咖啡，稍后再回来。
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### 使用命令行
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如果你过去升级过 Fedora 版本，你可能熟悉 _dnf upgrade_ 插件。这是从 Fedora 29 升级到 Fedora 30 的推荐和支持的方式。使用这个插件将使你的 Fedora 30 升级简单易行。
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##### 1\. 更新软件并备份系统
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在你执行任何操作之前，你需要确保在开始升级之前拥有 Fedora 29 的最新软件。要更新软件，请使用 _GNOME Software_ 或在终端中输入以下命令。
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```
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sudo dnf upgrade --refresh
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```
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此外，请确保在继续之前备份系统。关于备份的帮助，请参阅 Fedora Magazine 上的[备份系列][3]。
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##### 2\. 安装 DNF 插件
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接下来，打开终端并输入以下命令来安装插件：
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```
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sudo dnf install dnf-plugin-system-upgrade
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```
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##### 3\. 使用 DNF 开始更新
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现在你的系统是最新的，完成了备份，并且已安装 DNF 插件，你可以在终端中使用以下命令开始升级：
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```
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sudo dnf system-upgrade download --releasever=30
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```
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此命令将开始在本地下载所有升级文件以准备升级。如果你因没有更新包、错误的依赖，或过时的包在升级时遇到问题，请在输入上面的命令时添加 _-- allowerasing_ 标志。这将允许 DNF 删除可能阻止系统升级的软件包。
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##### 4\. 重启并升级
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当前面的命令完成下载所有升级文件后，你的系统就可以重启了。要将系统引导至升级过程，请在终端中输入以下命令：
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```
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sudo dnf system-upgrade reboot
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```
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此后你的系统将重启。在许多版本之前，_fedup_ 工具将在内核选择/引导页面上创建一个新选项。使用 _dnf-plugin-system-upgrade_ 包，你的系统将使用 Fedora 29 安装的内核重启。这个是正常的。在内核选择页面后不久，系统开始升级过程。
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现在可以休息一下了！完成后你的系统将重启，你就可以登录新升级的 Fedora 30 了。
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![][4]
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### 解决升级问题
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升级系统时偶尔可能会出现意外问题。如果你遇到任何问题，请访问 [DNF 系统升级的维基页面][5]，以获取有关出现问题时的故障排除的更多信息。
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如果你在升级时遇到问题并在系统上安装了第三方仓库，那么可能需要在升级时禁用这些仓库。有关 Fedora 对未提供仓库的支持，请与仓库的提供商联系。
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--------------------------------------------------------------------------------
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via: https://fedoramagazine.org/upgrading-fedora-29-to-fedora-30/
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作者：[Ryan Lerch][a]
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选题：[lujun9972][b]
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译者：[geekpi](https://github.com/geekpi)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://fedoramagazine.org/author/ryanlerch/
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[b]: https://github.com/lujun9972
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[1]: https://fedoramagazine.org/wp-content/uploads/2019/04/29-30-816x345.jpg
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[2]: https://fedoramagazine.org/announcing-fedora-30/
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[3]: https://fedoramagazine.org/taking-smart-backups-duplicity/
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[4]: https://cdn.fedoramagazine.org/wp-content/uploads/2016/06/Screenshot_f23-ws-upgrade-test_2016-06-10_110906-1024x768.png
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[5]: https://fedoraproject.org/wiki/DNF_system_upgrade#Resolving_post-upgrade_issues
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