On Sunday 20 February 2011 11:44:31 am David Hare wrote:
> >>> $ sux -
> >>>
> >>> > (enter root password)
> >>> > # synaptic
> >>> >
> >>> > DOES WORK.
>
> But synaptic is gtk. If anyone got a Trinity app running as root with
> sux I would really like to know. (I don't/won't use sudo, it's disabled)
>
> I read, can't remember where, it's better to put this in your ~/bashrc
> than use xhost + :
>
> #maybe this fixes x for root
> export XAUTHORITY=$HOME/.Xauthority
>
> It works for non-trinity (gtk)

Good point, using 'xhost +' essentially turns off access control.  I use:

'xhost +local:<username>'

This controls the host, not necessarily the local box, and the user allowed to 
connect to the xserver.
-- 
Peace,

Greg