Upgrade console ubuntu 14.04.3 LTS to 15.10

Question

How to upgrade 14.04.3 LTS to 15.10 (wily)?

sudo do-release-upgrade -d

offers upgrade to 16.04 (xenial), which is in beta current.

(It is a server, no GUI.)

To upgrade from 14.04 to 15.10 you'll have to upgrade thru 14.10 and 15.04 first. — xangua, Jan 6, 2016 at 7:31
@xangua Ok, how to upgrade to 14.10? do-release-upgrade tells me that "No new release found". do-release-upgrade -d offers upgrade to 16.04 beta — vladon, Jan 6, 2016 at 7:33
What I would question here is: why do you need to upgrade to 15.10? — xangua, Jan 6, 2016 at 7:35
@xangua because 16.04 is not released yet. But I don't want to talk about 15.10 vs 16.04, so question is: Is it possible to upgrade to 15.10? — vladon, Jan 6, 2016 at 7:37

abdul · Accepted Answer · 2016-01-08 03:47:22Z

3

You need to edit the following file

sudo vi /etc/update-manager/release-upgrades

and change from Prompt=lts to Prompt=normal

This will allow you to upgrade to the next release which is 14.10 and then you can rerun the command to upgrade to the next.

answered Jan 8, 2016 at 3:47

abdul

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