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== PreUpgrade ==
== PreUpgrade ==
PreUpgrade is an application
PreUpgrade is an application run on an existing Fedora or above installationto Fedora PreUpgrade downloads the packages , to .
Revision as of 07:32, 1 June 2009
Upgrading from a previous release of Fedora
The recommended installation method is detailed in the Installation Guide:
The release notes also have some useful information (the following link is for the Fedora 21 release notes):
PreUpgrade is an application you can run on an existing Fedora 8 or above installation. You can continue to use Fedora while 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.
Upgrading using Yum
This is not a officially supported method but works for many users.
- It's a good idea to have a backup of your system before performing an upgrade. If you have
/homein a separate logical volume or partition, it makes backing up user data easier. This is a feature requested for the Fedora Installer. See Bug 150670 for more on this.
- 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. See 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. See the Installation Guide for more information.
- Make sure you read the Release Notes carefully before attempting an upgrade.
- You can also do an upgrade using the
yumpackage manager, but this is not officially supported by the Fedora Project. See the Yum Upgrade FAQ page for details.
Rawhide is an unstable version of Fedora that is updated daily. It is suitable for people who are developing or testing Fedora before broad public release.