How to run GUI admin tools remotely?

[Rashkae]

Chris G wrote:
> I have a backup system in my garage on which I have installed xubuntu
> 8.10.  It would be really useful to be able to administer it remotely
> from my desktop system in my house (also xubuntu 8.10), but none of
> the GUI systems/services admin tools will work because of X security. 
> I always get something like the following:-
> 
>     root at garage:/usr/bin# services-admin
>     X11 connection rejected because of wrong authentication.
> 
>     (services-admin:7307): Gtk-WARNING **: cannot open display: localhost:10.0
> 
> Running *user* programs remotely works fine so I have ssh running such
> that X is working OK.  I have also tried all sorts of 'xhosts +'
> commands on the local system such that there should be virtually no X
> authentication at all but I still get the above error.
> 
> Can anyone suggest a way to do this?
> 

Use sudo -s to get your root shell instead of sudo -i.  That will
preserver your environment variables.