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{{From|https://help.ubuntu.com/community/Upgrades}} {{Languages|UbuntuHelp:Upgrades}} #title Upgrading Ubuntu == Introduction == This page is a generic guide to upgrade Ubuntu from version 6.06 and up, with the exception of [[UbuntuHelp:EOLUpgrades|end of life versions]]. For more information please refer to the [[UbuntuHelp:UpgradeNotes| upgrade notes]]. == Before you upgrade.. == === Backup === Please make sure you have a backup of your important data. You can make a backup of your disks/partitions using [http://www.clonezilla.org clonezilla]. === Release Notes === Read the release notes before upgrading: http://www.ubuntu.com/getubuntu/releasenotes === Upgrade policy === Check the file `/etc/update-manager/release-upgrades`. `Prompt=normal` is needed when upgrading from any version to a newer version, `Prompt=never` will never upgrade your OS. `Prompt=lts` will make sure you upgrade from LTS to LTS. You need to be root to edit this file. === Upgrading Flash === If you want to upgrade flash, please add the following line to your sources.list: <pre><nowiki> # Change CODENAME to your release: lsb_release -cs deb http://archive.canonical.com/ubuntu CODENAME partner </nowiki></pre> This will make sure the adobe-flashplugin package will be upgraded. == Network upgrades == === Desktop / GUI Upgrade === <pre><nowiki> update-manager </nowiki></pre> === Server / Command line Upgrade === <pre><nowiki> sudo aptitude install update-manager-core sudo do-release-upgrade </nowiki></pre> == Upgrades via alternate CD == This method will describe an upgrade without actually burning the ISO to a CD. When you have burned the disc, just plug it in and run `./cdromupgrade` from `/media/cdrom`. Please run `./cdromupgrade --help` for more details regarding upgrades via the alternate CD. === Desktop / GUI Upgrade === <pre><nowiki> mkdir /mnt/alternate sudo mount -o loop /path/to/alternate-cd.iso /mnt/alternate cd /mnt/alternate # Gnome gksudo ./cdromupgrade # KDE kdesudo ./cdromupgrade </nowiki></pre> === Server / Command line Upgrade === <pre><nowiki> mkdir /mnt/alternate sudo mount -o loop /path/to/alternate-cd.iso /mnt/alternate cd /mnt/alternate sudo ./cdromupgrade --frontend=DistUpgradeViewText </nowiki></pre> == The Debian way of upgrading == Please be aware that this method is valid, yet not officially advised by the Ubuntu developers. <pre><nowiki> # Upgrade all the packages to the latest versions sudo aptitude update sudo aptitude safe-upgrade # Update our sources, save the original as /etc/apt/sources.list.ORIG # This step is REQUIRED, otherwise the instructions below will not upgrade a # single package. sudo perl -p -i.ORIG -e 's/karmic/lucid/g' /etc/apt/sources.list # Backup the /etc/apt/sources.list.d/ folder and create an empty one. # This will disable all Third Party/Launchpad PPA repositories. # These repositories can be re-enabled after a successful upgrade. sudo mv /etc/apt/sources.list.d/ /etc/apt/sources.list.d.ORIG/ sudo mkdir /etc/apt/sources.list.d/ # Upgrade your box sudo aptitude update sudo aptitude install dpkg apt aptitude sudo aptitude safe-upgrade sudo aptitude full-upgrade </nowiki></pre> == Upgrading to development releases == Please be aware that development releases are unstable, and not suited for people who do not want to fix/report/triage bugs. If you want a stable Ubuntu version, stick to the official released versions or run an LTS version of Ubuntu. Warning:: Please do not advise others to use this method to upgrade other versions of Ubuntu. You'll teach them how to upgrade to a development release! === Desktop / GUI Upgrade === <pre><nowiki> update-manager -d </nowiki></pre> === Server / Command line Upgrade === <pre><nowiki> sudo aptitude install update-manager-core sudo do-release-upgrade -d </nowiki></pre> Beside the network upgrades you could upgrade to a development release via an alternate CD or via the Debian (manual) way. This is left as an exercise for the user. == See Also == * http://www.ubuntu.com/getubuntu/upgrading - Official upgrade documentation. * [[UbuntuHelp:UpgradeNotes|UpgradeNotes]] - Upgrade notes for all Ubuntu releases * [[UbuntuHelp:EOLUpgrades|EOLUpgrades]] - Upgrade End-of-Life (unsupported) releases. ---- [[category:CategoryUpgrade]] [[category:UbuntuHelp]]
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