I have Ubuntu 12.10 with installed Gnome 3, and Unity removed, I just want to ask if there will be any problems after dist-upgrade, or it has nothing to do with which window manager I use. Should I back-up anything?

  • If you have custom video drivers you will have to re install them so make sure they are available for the new version.
    – Meer Borg
    Commented Apr 25, 2013 at 9:49
  • I have FGLRX proprietary driver I believe, what I changed is just windows manager, from Unity to Gnome 3
    – martin
    Commented Apr 27, 2013 at 17:47
  • Posted a Q here. You might find the "Notes on changes" part useful.
    – Runium
    Commented Apr 27, 2013 at 20:15

1 Answer 1


EDIT: This solution might not hold for distribution upgrades as such. See comments. To be confirmed.

You can always run sudo apt-get --simulate dist-upgrade and see if you get any errors. Always make a backup if your files are important for you or someone else.

  • This does NOT simulate an upgrade from one distribution to another. Ref. -> Maintenance commands.
    – Runium
    Commented Apr 27, 2013 at 17:15
  • I thought it does simulate. It did nothing so I assumed there is no way to upgrade my system yet, but today I saw in my update check that I can upgrade to 13.04, tried --simulate dist-upgrade but it did nothing again so, yes, I can't simulate dist upgrade, it was mistake.
    – martin
    Commented Apr 27, 2013 at 17:49
  • @martin: I'm looking into it as well. Previous upgrades has been a disaster each time. Haven't found any good solution yet.
    – Runium
    Commented Apr 27, 2013 at 17:54

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