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Upgrading from Fedora 10 (Cambridge) to Fedora 11 (Leonidas)

·235 words·2 mins·
Fedora Rpm Yum

There are two main ways to upgrade Fedora 10 (Cambridge) to Fedora 11 (Leonidas):

» What the Fedora developers suggest:

yum -y upgrade
yum -y install preupgrade
yum clean all
preupgrade-cli "Fedora 11 (Leonidas)"

Of course, if you’re doing this on a Fedora desktop, you can use preupgrade (rather than preupgrade-cli) to upgrade with a GUI.

» The method I prefer (and it works properly on Slicehost):

yum -y upgrade
yum clean all
wget http://download.fedora.redhat.com/pub/fedora/linux/releases/11/Fedora/x86_64/os/Packages/fedora-release-11-1.noarch.rpm
rpm -Uvh fedora-release-11-1.noarch.rpm

At this point, you would normally just start upgrading packages, but the Fedora developers threw us a curveball. Since yum in Fedora 10 doesn’t support metalinks, your upgrades will fail with something like this:

# yum -y upgrade
YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
 Eg. /
removing mirrorlist with no valid mirrors: //var/cache/yum/updates/mirrorlist.txt
Error: Cannot retrieve repository metadata (repomd.xml) for repository: updates. Please verify its path and try again

It’s easily fixed, however. Open up /etc/yum.repos.d/fedora.repo and /etc/yum.repos.d/fedora-updates.repo in your favorite text editor and change the mirrorlist URL’s like so:

Fedora Repository

#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=fedora-$releasever&arch=$basearch
mirrorlist=https://mirrors.fedoraproject.org/mirrorlist?repo=fedora-$releasever&arch=$basearch

Fedora Updates Repository

#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=updates-released-f$releasever&arch=$basearch
mirrorlist=https://mirrors.fedoraproject.org/mirrorlist?repo=updates-released-f$releasever&arch=$basearch

Once you make those changes, finish out the upgrade:

yum -y upgrade

This process will take a little while to complete, but there shouldn’t be any interaction required. Once it’s done, change the mirrorlist lines back to the original values so you can benefit from the speedups provided by the metalink format.