This is guide, howto upgrade Fedora 13 to Fedora 14 with Preupgrade, which download needed packages from the server and then just reboot to installer and after install boot the new system. It’s important backup your important files before upgrading. Read more info about Fedora 14 features. If the aim is to update older versions of Fedora to Fedora 14, then each version have to be updated step by step:

I think the most easiest way to upgrade Fedora 12 to Fedora 13 is use Preupgrade, which download needed packages from the server and then just reboot to installer and after install boot the new system. This guide I use preupgrade-cli version, which works from command line. If you want use Preupgrade Graphical version then you can check this Howto upgrade Fedora 11 to Fedora 12 with Preupgrade guide, which works same way with Fedora 13 (Goddard).

This is quick guide, howto upgrade to CentOS 5.11 from CentOS 5.10 (5.9, 5.8, 5.7, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0). 1. Change to root User su - ## OR ## sudo -i 2. Backup all important data Backup /etc diretory Backup important logs /var/log Backup web server configs and sites Dump MySQL databases Dump PostgreSQL databases Backup all what you need if something goes wrong 3. Check list of packages that are going to be updated yum list updates 4.

I think the most easiest way to upgrade Fedora 11 to Fedora 12 is program called preupgrade, which download needed packages from the server and then just reboot to installer and after install boot the new system. Of course it’s important backup your important files before upgrading. Commands and screenshots of whole upgrading process First start with updating all Fedora 11 packages with following command as root yum update Install preupgrade as root yum install preupgrade Start preupgrade as root preupgrade Preupgrade information window Choose desired release Preparing system for upgrade Downloading files Prepare and test upgrade When ready to begin upgrade then reboot.