On Sunday 25 September 2011 15:15:05 David Hare wrote:
> In fact, kdesudo-trinity does a dpkg-divert of normal kdesu. That
> reverts when it is purged.
>
> You should be able in any case to run a (non-Trinity) app as root with:
>
> su-to-root -X -c application
>
> or use gksu (you don't have to install Gnome for that)
>
> If you want your user disabled altogether from sudo you need to edit
> /etc/sudoers.
>

Just realised - I am running on GNOME at the moment in order to be able to use 
wireshark in its GUI mode, which is the one for which I have instructions.  
So I'll have to adjust Trinity later.

Thanks anyway,
Lisi