As long as you can access Grub as it boots you can use this method - even easier. http://free.geek.nz/index.php/PasswordNotes Rod On 18/04/14 13:55, Peter Reutemann wrote:
Today, I had the problem that I could no longer remember the user/password for one of my Xubuntu installations in Virtualbox. So I downloaded Knoppix 7.0 and had a look what the names of the installed users were. After that, I had to figure how to reset them. Here is the HOWTO that I used to reset my user's password (doesn't have to be "root"). It's scarily easy, to be honest...
"This guide explains how you can reset a forgotten root password with the help of the Knoppix Linux Live-CD. Afterwards you can log in to your system as root again."
-- source: http://www.howtoforge.com/how-to-reset-a-forgotten-root-password-with-knoppi...
Cheers, Peter