How do I 'do-release-upgrade' now 21.10 is (just) out of support?

[Chris Green]

On Tue, Jul 26, 2022 at 08:19:52PM +0100, Chris Green wrote:
> On Tue, Jul 26, 2022 at 01:39:26PM -0500, Aaron Rainbolt wrote:
> > On Tue, Jul 26, 2022 at 10:09 AM Chris Green <cl at isbd.net> wrote:
> > >
> > > On Tue, Jul 26, 2022 at 01:38:59PM +0100, Ian Bruntlett wrote:
> > > >    Hi Chris,
> > > >    On Tue, 26 Jul 2022 at 13:19, Chris Green <[1]cl at isbd.net> wrote:
> > > >
> > > >      I'm sure I've not hit this problem before but when I try
> > > >      'do-release-upgrade' on my [x]ubuntu 21.10 system it says:-
> > > >          root at t470# do-release-upgrade
> > > >          Checking for a new Ubuntu release
> > > >          Your Ubuntu release is not supported anymore.
> > > >          For upgrade information, please visit:
> > > >          [2]http://www.ubuntu.com/releaseendoflife
> > > >          Please install all available updates for your release before
> > > >      upgrading.
> > > >      It's only 4 months since 22.04 was released, it feels like there's
> > > >      very little overlap between releases.
> > > >
> > > >    Well, 21.10 is a Short Term Release but this is a conversation you need
> > > >    to have with people from Canonical.
> > > >    However, I had a 21.10 system (T500 ThinkPad) I was using for one
> > > >    development project. I dusted it down last Monday to work on a
> > > >    different project and discovered that it was End Of Life by one day. So
> > > >    I ran the GUI Software Updater program ( pressed ALT+F2 and typed in
> > > >    update-manager ), installed 387MB of updates. Then I ran Software
> > > >    Updater again and there was a button to press to perform the upgrade to
> > > >    22.04 which brought in over 1GB of dependencies for me and it all
> > > >    worked.
> > >
> > > If I run update-manager it fails with "Software updates are no longer
> > > provided for Ubuntu 21.10" and tells me to upgrade.  If I click on the
> > > upgrade button I get the same message as I get with 'do-release-upgrade'.
> > >
> > > My systems are pretty close to up to date.
> > >
> > > I *think* the problem may be that I have one package 'held back'
> > > (libpcre2-8-0) and I need to get that to be 'unheld back' before the
> > > release upgrade will work.
> > >
> > 
> > Release upgrades after a release goes EOL can be tricky, however there
> > are official instructions on how to do so here:
> > https://help.ubuntu.com/community/EOLUpgrades
> > 
> Ah, thank you, following the instructions there seems to be working OK.
> 
... and it has worked OK, all went very smoothly with no issues at all.

Thanks again. :-)

-- 
Chris Green