#title Upgrading Oneiric to Precise [[EOLUpgrades| <<]] [[EOLUpgrades/Natty| < Natty]] [[EOLUpgrades/Precise| Precise >>]] = 11.10 to 12.04 (Oneiric to Precise) = == Before you start == Please make sure you've read and understood the [[EOLUpgrades| main EOLUpgrade page]]. I would recommend using [[http://www.clonezilla.org| clonezilla]] for backing up your current installation. It is very easy to backup and restore your partitions with clonezilla. It takes less then 30 minutes to backup/restore a 20Gb root filesystem which has 4-5 Gb used space. == The upgrade == * Please make sure you have the following sources.list (/etc/apt/sources.list). {{{ ## EOL upgrade sources.list # Required deb http://old-releases.ubuntu.com/ubuntu/ oneiric main restricted universe multiverse deb http://old-releases.ubuntu.com/ubuntu/ oneiric-updates main restricted universe multiverse deb http://old-releases.ubuntu.com/ubuntu/ oneiric-security main restricted universe multiverse }}} You can make use of -backports, -proposed repositories if you want. For more information about repositories see [[Repositories/Ubuntu]]. * Update the package list and upgrade all the installed packages {{{ sudo aptitude update && sudo aptitude safe-upgrade }}} * Perform the release upgrade. {{{ sudo do-release-upgrade }}} * Check your new version Reboot your machine and you can now run `lsb_release -a` to check the new version of Ubuntu. [[EOLUpgrades| <<]] [[EOLUpgrades/Natty| < Natty]] [[EOLUpgrades/Precise| Precise >>]] ---- CategoryUpgrade