Friday, November 20, 2009

Upgrade to Fedora 12 using preupgrade

Today I have upgraded my work laptop from Fedora 10 to Fedora 12 using 'preupgrade' and guess what everything went smooth and here I am currently blogging from Fedora 12 :)

Perhaps I have upgraded to Fedora 12 on both of my work and home laptops.

Here are the steps which I followed to upgrade to Fedora 12.

1. Fedora 12 upgrade requires quit some extra space on /boot partition (which is default 200MB with fedora install), before doing the upgrade first move all the extra kernels and leave only the last working one.

2. Adjust the number of reserved filesystem blocks on /boot partition using the command tune2fs. first need to identify the block device for your /boot file system. In the example below, /dev/sda1 is the block device for the /boot filesystem.

# mount | grep "/boot"
/dev/sda3 on /boot type ext4 (rw)

Now, adjust the number of reserved blocks for the /boot filesystem using the command tune2fs

# tune2fs -r 0 /dev/sda3

3. Finally run the preupgrade command to start fetching the packages while you continue to do your work, remember the downloading will takes times depending on your Internet pipe :)

# preupgrade


sudo preupgrade

4. After download finish it will ask to reboot the system and then the installation process will begin which will again takes sometime. And then only one last reboot and here is the shiny Fedora 12 Constantine Desktop :)

5. Some packages may no longer be supported by the new release. You may wish to remove these packages because they will no longer get security updates, and they may cause later conflicts with supported packages. These can be identified with the following command:

package-cleanup --orphans

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