This is mostly a note to myself about how to do that, so I don’t forget.

http://ubuntu-rescue-remix.org/
http://www.howtogeek.com/howto/19141/
http://ubuntu-rescue-remix.org/taxonomy/term/1/0?page=9
https://help.ubuntu.com/community/Mount/USB
http://manpages.ubuntu.com/manpages/precise/en/man8/fdisk.8.html
http://manpages.ubuntu.com/manpages/hardy/man1/dd.1.html
http://www.makeuseof.com/tag/2-methods-to-clone-your-linux-hard-drive/
https://help.ubuntu.com/community/DataRecovery
http://www.switchroot.com/how-to-recover-deleted-files-with-scalpel-ubuntu