source: forum post
- Insert DVD
- run ‘vobcopy -m’
- run ‘HandBrakeCLI -i /path/to/output/of/vobcopy -o movie.mp4 -e x264 -b 2000 -B 192′
- play movie.mp4
Of course, you’ll need vobcopy and libdvdcss and HandBrakeCLI installed. On Ubuntu, vobcopy is available from the standard repo, libdvdcss can be installed per the RestrictedFormats wiki page and HandBrake is available from their site.