Like I said, I don't think it's an unlimited skip, and some versions might be better at it than others. I used do-release-upgrade -d, and it worked for me. Might not have worked as well in previous versions. On Sun, 23 Feb 2014, Mike Miller wrote: > On Sun, 23 Feb 2014, tclug at freakzilla.com wrote: > >> Just want to point out that you CAN skip versions with Ubuntu. Probably not >> unlimited version skips, but I just went from 12.04 to 13.10 on a couple of >> machines in one go. > > That's good news, but how do you do it? The update-manager doesn't offer any > options of which version to upgrade to, as far as I can tell. I looked at > "man do-release-upgrade" and saw the "-d" option: > > -d, --devel-release > Check if upgrading to the latest devel release is possible > > I ran that on three machines. On one is running Ubuntu 12.04.2 LTS and it > reported downloading trusty.tar.gz, which would be Ubuntu 14.04. That makes > sense because 14.04 would be the next avaiable LTS, but I think it's still in > alpha. > > Another was running Ubuntu 10.10 (Maverick), but it failed while trying to > download natty.tar.gz, which would be Ubuntu 11.04: > > Checking for a new ubuntu release > Err Upgrade tool signature > 404 Not Found [IP: 91.189.91.14 80] > Err Upgrade tool > 404 Not Found [IP: 91.189.91.14 80] > Fetched 0B in 0s (0B/s) > WARNING:root:file 'natty.tar.gz.gpg' missing > Failed to fetch > Fetching the upgrade failed. There may be a network problem. > > There is no network problem, at least not on my end. Maybe there's someplace > that I can get the .gpg file, and then maybe it will work. > > > A third machine was running Ubuntu 9.10 (Karmic) and it downloaded > lucid.tar.gz, which would be Ubuntu 10.04 > > So it seems like the -d option is not causing Ubuntu to find "the latest > devel release" but only the next devel release. > > > >> Now if you're going to do a reinstall, well, this is why we keep /home and >> /usr/local etc on separate partitions (: You can reinstall the OS and keep >> all your data and configuration. > > That sounds like a reasonable idea, but I haven't been doing that. It isn't > too big of a deal to copy from backup, though. > > Mike > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list >