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I have Ubuntu precise running on a VPS (server). I am connected with SSH and would like to upgrade to Ubuntu trusty.

I do not want the newest release. Changing /etc/update-manager/release-upgrades to "normal" causes the do-release-upgrade shell script to select the next release (12.10), not 13.x. Selecting LTS goes straight to 14.x. How do I specify 13.x release?

Would I have to manually change the /apt/sources.list to point to trusty and then do a dist-upgrade? I prefer to do it with the do-release-upgrade script, but can't figure out how.

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  • "Would I have to manually change the /apt/sources.list to point to trusty and then do a dist-upgrade?" This is not advisable or supported by Ubuntu.
    – xangua
    Jun 17, 2015 at 7:22
  • Also, 14.04 is called trusty. Jun 17, 2015 at 15:53

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14.04 is the next LTS release after 12.04.

It's what you want on a server. They last for five years after release (rather than nine months).

The only upgrade path that supports skipping versions is the LTS→LTS one. You cannot jump from 12.04 to 13.x. Neither would you want to; both 13.x releases have been dead for some time.

The latest LTS is currently 14.04 and the latest non-LTS is 15.04. The next LTS will probably be 16.04. You can read more about the Ubuntu Releases and see when support periods run out.

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