GNOME and Edgy help please

[Ray Paradise]

I am relatively new to Ubuntu, although I've recently set up a working Postfix mail server and Apache web server on my Ubuntu box...I'm very pleased with myself and am digging Linux...

However, I've run afoul of some sort of permissioning snafu and wondered if someone might help disensnarl me...

If I log in as "root" the GNOME interface in the "system - administration" menu gives me a limited number of choices (8 only) and does not list "Users and Groups" for example. When I go to "System - Preferences - Menu layout" it won't allow me to add "users and groups." That seems odd...is there a way to fix this?

If I log in as the initial user ("joe"), he can see "users and groups" in the menu but when prompted for his password - access is rejected. 

I believe the problem began when I changed the name of the computer - I can't recall why I did that...

I'm sure there is a straightforward answer, I just haven't been able to achieve it yet...

Thanks,
Ray




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