[xubuntu-users] Upgrading from Ubuntu to Xunbuntu

[Ralf Mardorf]

On Mi, 2013-05-15 at 21:16 +0100, Peter Flynn wrote: 
> Most of my machines are running Xubuntu 13.04 but I have one running
> Ubuntu 12.10 and I want to upgrade it to Xubuntu.
> 
> But a regular install from USB or CD will want to reformat the disk, of
> course, and the machine has everything in one partition (/)
> 
> Is there a way to do it as an upgrade, so that /home is preserved?
> 
> I can of course use the backup to copy /home and other stuff back after
> an install, but there's a lot of it, and an upgrade would be faster.

Upgrading by Internet is possible, but it would upgrade all packages
from the repositories, IOW you wouldn't remove "Ubuntu packages".
Perhaps I'm mistaken, but I guess it's impossible.