How to reset password your root / admin password in Ubuntu, this covers all versions of Ubuntu from 12.10, 12.04, etc, and the derivatives like Zorin, Mint and Pinguy. (It may not work in 12.10 if you have used full disk encryption) Instructions: Reboot to the Grub Menu. (Hold down Left-Shift Key if you have a single boot system) Choose Recovery Mode Select Root -- Drop to root shell prompt mount -o rw,remount / ls /home passwd username reboot To test out new password: su username sudo su reboot Wallpaper: http://imgur.com/3ughs