Transcode is pretty much the only option for linux dvd -> other format conversion (ripping). I haven't used it however. http://www.theorie.physik.uni-goettingen.de/~ostreich/transcode/ there is also http://www.hut.fi/~mhkinnun/downloads/dvd/LXDODRIP.ZIP but it looks like this has not been updated for a while and is binary only haven't tried either