I don't know if this has been posted before but the Knoppix build of Linux is now able to boot up properly with full display support etc. See here: http://www.osxbook.com/book/bonus/misc/knoppix/
Edit: Nevermind, its already been posted in the OS X forum: https://forums.macrumors.com/threads/181764/
Edit: Nevermind, its already been posted in the OS X forum: https://forums.macrumors.com/threads/181764/