Existing guides specify to install the libdvdread4 package and then run sudo /usr/share/doc/libdvdread4/install-css.sh to install DVD decryption support. However on Loki, this results in sudo: command not found. Inspecting the libdvdread4 indeed reveals that the install-css.sh script is missing.


Since Ubuntu 15.10, libdvdcss (the package required for CSS decryption) is installed as part of the libdvd-pkg package, with no additional steps required.

sudo apt install libdvd-pkg

The default Videos app in elementary OS is quite buggy, and while the Play Disc option appears after installing CSS support, playback fails. A workaround is simply to install VLC, which is generally more stable and has better format support.

sudo apt install vlc

Source and more info.

  • Aferwards I needed to sudo dpkg-reconfigure libdvd-pkg to download, compile, and install libdvdcss – bformet Feb 18 '17 at 14:58

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