I'm trying to upgrade my 10.04 server using do-release-upgrade, but it keeps saying there is no new version available.

If I change the prompt config in /etc/update-manager/release-upgrades to normal, I am able to upgrade to 10.10 though, but I don't want to perform 4 separate upgrades in order to reach the new lts.


To upgrade Ubuntu 10.04 server to 12.04

First make sure that you have the latest updates

sudo apt-get update & sudo apt-get upgrade

Install update-manager-core

sudo apt-get install update-manager-core

Edit /etc/update-manager/release-upgrades and set Prompt=lts

Launch the upgrade tool, and follow the on-screen instructions:

sudo do-release-upgrade -d

Source: http://library.linode.com

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  • See same question – Kane Jun 27 '12 at 7:03
  • 2
    Even though the release was already out, I still had to pass the "-d" parameter, then it worked fine. – skerit Jul 16 '12 at 9:57

Install update-manager-core .

sudo apt-get install update-manager-core

edit /etc/update-manager/release-upgrades and set Prompt=lts

then do as do-release-upgrade.

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Install update manager core

sudo apt-get install update-manager-core

and launch upgrade manager using

sudo do-release-upgrade

Follow the on screen instructions

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