From Fedora Project Wiki

使用DVD升级

最好的升级方式
强烈推荐通过本方法升级您的Fedora系统到最新版

使用Anaconda安装器来跨版本升级是官方推荐的方法,具体请见:Fedora安装手册当前正式版本详情 也有很多有价值的信息。

PreUpgrade

PreUpgrade is an application you can use to upgrade Fedora while continuing to use it. PreUpgrade downloads the packages required for the upgrade. Once everything is downloaded and set up, you will be notified that you can reboot at any time to start the Fedora upgrade. This method of upgrading is explicitly tested and supported by Fedora. To read more, refer to PreUpgrade.

直接通过Yum升级

Upgrading directly from one release to the next using yum is not explicitly tested by Fedora QA and issues with them are not considered blockers for a release, but in practise works for many users due to our packaging guidelines providing detailed information on maintaining upgradability. To learn more, refer to Upgrading Fedora using yum.

从一个不稳定的发行版升级到稳定版(比如alpha, beta, release candidate版本或者其他开发版本)

如果您正在使用不稳定版本的Fedora,并向升级至稳定版,请按照这个指南:非正式版本升级到正式版指南 来完成。

小技巧

  • It's a good idea to have a backup of your system before performing an upgrade. Keeping /home in a separate logical volume or partition makes backing up user data easier. This is a feature requested for the Fedora Installer. Refer to Bug 150670 for more on this issue. This is the default from Fedora 13 onwards.
  • Doing a clean installation and then restoring user data from backups may work better for some users. Future releases may include features to assist in this process. Refer to AnacondaWorkItems for more information.
  • You can do an upgrade using the regular installation DVDs. Live media only performs fresh installations, not upgrades. The installation overrides any third party packages which conflict with the default installation set. Applications within the Fedora repository are easily upgradeable. Refer to the Installation Guide for more information.
  • Make sure you read the Release Notes carefully before attempting an upgrade.

Rawhide版本升级

Rawhide版本是一个每天更新的滚动版。在正式发布之前,针对Fedora开发或者测试的相关人员均使用这个版本。