I like do a backup of all my DVD’s and play them with VLC from a shared folder. So, how backup them?
$ sudo apt-get install dvdbackup genisoimage
First you need to retrieve all keys to decrypt the DVD.
$ dvdbackup -M
After the starting copy of dvdbackup you can stop the execution (Ctrl-c) and run genisoimage
$ genisoimage -dvd-video -udf -o movie.iso /media/DVD