Is 12.04 upgradable?

[Robert Heller]

At Fri, 8 Jan 2021 15:56:23 +0100 "Ubuntu user technical support,  not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:

> 
> >
> > Tedious.  I have little confidence that any of these will work.  I'm thinking
> > I will have to install a "spare" disk and install it there and then copy the
> > install to the proper place.
> 
> Oh come on!
> 
> Get a medium-sized USB key. Put Ventoy on it.
> https://www.ventoy.net/en/index.html
> 
> I found I had to use the Windows installer for Ventoy -- it didn't
> work on Linux.

I don't have MS-Windows.

> 
> Then stick all the ISOs on there. Vanilla and server. 12.04, 14.04,
> 16.04, 18.04, 20.04.
> 
> Then you can just try each one in turn and see if it can mount your LVM.
> 
> Half an hour's preparation, 5min each to try them.
> 

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