You don't need to reinstall your whole operating system just because you forgot your Linux login. It's actually pretty easy ...

I am missing something obvious, I am sure, but we are considering moving from RH to Ubuntu for some of our servers so I am building some test boxes with it. Although it does ask me for a user level ...

A now-fixed Sudo vulnerability allowed any local user to gain root privileges on Unix-like operating systems without requiring authentication. Sudo is a Unix program ...