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[#]: collector: (lujun9972)
[#]: translator: (Morisun029)
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (How To Update a Fedora Linux System [Beginner’s Tutorial])
[#]: via: (https://itsfoss.com/update-fedora/)
[#]: author: (Ankush Das https://itsfoss.com/author/ankush/)
How To Update a Fedora Linux System [Beginner’s Tutorial]
======
_**This quick tutorial shows various ways to update a Fedora Linux install.**_
So, the other day, I installed the [newly released Fedora 31][1]. I’ll be honest with you, it was my first time with a [non-Ubuntu distribution][2].
The first thing I did after installing Fedora was to try and install some software. I opened the software center and found that the software center was ‘broken’. I couldn’t install any application from it.
I wasn’t sure what went wrong with my installation. Discussing within the team, Abhishek advised me to update the system first. I did that and poof! everything was back to normal. After updating the [Fedora][3] system, the software center worked as it should.
Sometimes we just ignore the updates and keep troubleshooting the issue we face. No matter how big/small the issue is – to avoid them, you should keep your system up-to-date.
In this article, I’ll show you various possible methods to update your Fedora Linux system.
* [Update Fedora using software center][4]
* [Update Fedora using command line][5]
* [Update Fedora from system settings][6]
Keep in mind that updating Fedora means installing the security patches, kernel updates and software updates. If you want to update from one version of Fedora to another, it is called version upgrade and you can [read about Fedora version upgrade procedure here][7].
### Updating Fedora From The Software Center
![Software Center][8]
You will most likely be notified that you have some system updates to look at, you should end up launching the software center when you click on that notification.
All you have to do is – hit ‘Update’ and verify the root password to start updating.
In case you did not get a notification for the available updates, you can simply launch the software center and head to the “Updates” tab. Now, you just need to proceed with the updates listed.
### Updating Fedora Using The Terminal
If you cannot load up the software center for some reason, you can always utilize the dnf package managing commands to easily update your system.
Simply launch the terminal and type in the following command to start updating (you should be prompted to verify the root password):
```
sudo dnf upgrade
```
**dnf update vs dnf upgrade
**
You’ll find that there are two dnf commands available: dnf update and dnf upgrade.
Both command do the same job and that is to install all the updates provided by Fedora.
Then why there is dnf update and dnf upgrade and which one should you use?
Well, dnf update is basically an alias to dnf upgrade. While dnf update may still work, the good practice is to use dnf upgrade because that is the real command.
### Updating Fedora From System Settings
![][9]
If nothing else works (or if you’re already in the System settings for a reason), navigate your way to the “Details” option at the bottom of your settings.
This should show up the details of your OS and hardware along with a “Check for Updates” button as shown in the image above. You just need to click on it and provide the root/admin password to proceed to install the available updates.
**Wrapping Up**
As explained above, it is quite easy to update your Fedora installation. You’ve got three available methods to choose from – so you have nothing to worry about.
If you notice any issue in following the instructions mentioned above, feel free to let me know in the comments below.
--------------------------------------------------------------------------------
via: https://itsfoss.com/update-fedora/
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://itsfoss.com/fedora-31-release/
[2]: https://itsfoss.com/non-ubuntu-beginner-linux/
[3]: https://getfedora.org/
[4]: tmp.Lqr0HBqAd9#software-center
[5]: tmp.Lqr0HBqAd9#command-line
[6]: tmp.Lqr0HBqAd9#system-settings
[7]: https://itsfoss.com/upgrade-fedora-version/
[8]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2019/11/software-center.png?ssl=1
[9]: https://i1.wp.com/itsfoss.com/wp-content/uploads/2019/11/system-settings-fedora-1.png?ssl=1

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[#]: collector: (lujun9972)
[#]: translator: (Morisun029)
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (How To Update a Fedora Linux System [Beginner’s Tutorial])
[#]: via: (https://itsfoss.com/update-fedora/)
[#]: author: (Ankush Das https://itsfoss.com/author/ankush/)
如何更新 Fedora Linux 系统[入门教程]
======
_**本快速教程介绍了更新 Fedora Linux 安装的多种方法。**_
前几天，我安装了[新发布的 Fedora 31][1]。老实说，这是我第一次使用[非 Ubuntu 发行版][2]。
安装 Fedora 之后，我做的第一件事就是尝试安装一些软件。 我打开软件中心，发现该软件中心已“损坏”。 我无法从中安装任何应用程序。
我不确定我的安装出了什么问题。 在团队内部讨论时，Abhishek 建议我先更新系统。 我更新了， 更新后一切恢复正常。 更新[Fedora][3]系统后，软件中心也能正常工作了。
有时我们只是忽略了对系统的更新，而继续对我们所面临的问题进行故障排除。 不管问题有多大或多小，为了避免它们，你都应该保持系统更新。
在本文中，我将向你展示更新Fedora Linux系统的多种方法。
* [使用软件中心更新 Fedora][4]
* [使用命令行更新 Fedora][5]
* [从系统设置更新 Fedora][6]
请记住，更新 Fedora 意味着安装安全补丁，更新内核和软件。 如果要从 Fedora 的一个版本更新到另一个版本，这称为版本升级，你可以[在此处阅读有关 Fedora 版本升级过程的信息][7]。
### 从软件中心更新 Fedora
![软件中心][8]
您很可能会收到通知，通知您有一些系统更新需要查看，您应该在单击该通知时启动软件中心。
您所要做的就是–点击“更新”，并验证 root 密码开始更新。
如果您没有收到更新的通知，则只需启动软件中心并转到“更新”选项卡即可。 现在，您只需要继续更新。
### 使用终端更新 Fedora
如果由于某种原因无法加载软件中心，则可以使用dnf 软件包管理命令轻松地更新系统。
只需启动终端并输入以下命令即可开始更新（系统将提示你确认root密码）：
```
sudo dnf upgrade
```
**dnf 更新 vs dnf 升级
**
你会发现有两个可用的 dnf 命令：dnf 更新和 dnf 升级。 这两个命令执行相同的工作，即安装 Fedora 提供的所有更新。 那么，为什么要会有 dnf 更新和 dnf 升级，你应该使用哪一个呢？ dnf 更新基本上是 dnf 升级的别名。 尽管 dnf 更新可能仍然有效，但最好使用 dnf 升级，因为这是真正的命令。
### 从系统设置中更新 Fedora
![][9]
如果其它方法都不行（或者由于某种原因已经进入系统设置），请导航至设置底部的“详细信息”选项。
如上图所示，改选项中显示操作系统和硬件的详细信息以及一个“检查更新”按钮，如上图中所示。 您只需要单击它并提供root / admin密码即可继续安装可用的更新。
**总结**
如上所述，更新Fedora安装非常容易。 有三种方法供你选择，因此无需担心。
如果你按上述说明操作时发现任何问题，请随时在下面的评论部分告诉我。
--------------------------------------------------------------------------------
via: https://itsfoss.com/update-fedora/
作者：[Ankush Das][a]
选题：[lujun9972][b]
译者：[Morisun029](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://itsfoss.com/fedora-31-release/
[2]: https://itsfoss.com/non-ubuntu-beginner-linux/
[3]: https://getfedora.org/
[4]: tmp.Lqr0HBqAd9#software-center
[5]: tmp.Lqr0HBqAd9#command-line
[6]: tmp.Lqr0HBqAd9#system-settings
[7]: https://itsfoss.com/upgrade-fedora-version/
[8]: https://i2.wp.com/itsfoss.com/wp-content/uploads/2019/11/software-center.png?ssl=1
[9]: https://i1.wp.com/itsfoss.com/wp-content/uploads/2019/11/system-settings-fedora-1.png?ssl=1