How to change admin user for GUI?

Liam Proven lproven at
Tue Nov 6 22:36:51 UTC 2012

On 6 November 2012 19:43, Josef Wolf <jw at> wrote:
> Hello,
> I have installed ubuntu-12.4 for a friend. Since he is not a computer guy and
> I will need to do the administration on this computer, the first admin account
> I created was an account for me. Then I created a second admin account for
> him. We can both use sudo to do the administration on command line.
> Since he is not familiar with the command line, he is doing everything with
> the GUI. But when he does anything that needs root permissions (e.g. update
> the system), the GUI asks for _my_ password.
> How can I change this setting so that _his_ PW is asked instead?

For what it's worth, I have had the same problem. (I think it was on
Xubuntu or Lubuntu rather than Ubuntu but it doesn't matter.)

In the end, after some Googling and no clear answers, I just
reformatted & reinstalled.

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