[TriLUG] Ubuntu 12.04 root password reset

[Peter Neilson]

Boot to single user and do the usual stuff.

Here's someone solving a related problem on 10.4:
http://techcolleague.com/2011/03/boot-to-single-user-mode-in-ubuntu-10-04-lucid-lynx/

On Mon, 30 Apr 2012 12:26:33 -0400, Michael Rulison  
<13miketele at bellsouth.net> wrote:

> I have "upgraded" from Ubuntu 11.10 to 12.04.
>
> This is successful in that I can be a guest on my own system but not my  
> own username with administrative privileges. At login my former password  
> (in use for a long time) is rejected.
>
> Searching results in messages advising to open my dual boot Ubuntu/WinXP  
> in 'recovery' mode and then going to the root shell prompt.
>
> Fine so far, but when I do, it wants wants a password, which is exactly  
> what I do not have.
>
> If I boot from Ubuntu on a USB drive I am still stuck in the same  
> problem -- no root password
>
> Suggestions please.