Backup and Play DVD with Linux

If your linux does not play DVD correctly, try this:
sudo apt-get install libdvdread4
sudo /usr/share/doc/libdvdread4/install-css.sh

Backup DVD as ISO file:
ddrescue -d /dev/dvd ~/dvd_backup.iso ~/dvd_backup.log
This is just an example. Please replace the arguments with those of your specific backup task.

According to the following post: http://www.cmdln.org/2010/01/22/backing-up-disney-dvds/
Pack­ages needed:
Gnu ddres­cue
dvd­backup
libdvdcss2
vlc
mkisofs

The process:
ddres­cue –n –b 2048 /dev/dvd output.iso
dvd­backup –M –i output.iso –o dvd_structure
mkisofs –dvd-video –o clean_dvd.iso dvd_structure

Step 1 copys the DVD to disk block by block but any bad sec­tors found zero data is filled in. At this point you are left with a DVD iso that has the copy pro­tec­tion removed but the encryp­tion is still intact. Step 2 extract the con­tents to a direc­tory. This sec­ond step leaves you with the struc­ture of a dvd with­out the encryp­tion. I want to pre­serve every­thing about the orig­i­nal DVD (except the copy pro­tec­tion and encryp­tion) so I used the mir­ror option. This leaves me with all the fea­tures and orig­i­nal menus. Step 3 take the DVD struc­ture and pack it up into a nice ISO.

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