changing user with SU, gives "Xlib: connection to ":0.0" refused by server"

[Andrew Glen-Young]

On 08/10/2007, Derek Broughton <news at pointerstop.ca> wrote:
> Andrew Glen-Young wrote:
>
> > On 08/10/2007, (``-_-´´) -- Fernando <Ubuntu at bugabundo.net> wrote:
> > Curiosity got the better of me.
> > Try just 'xhost +'.
> >
> > $ xhost +
> > access control disabled, clients can connect from any host
> >
> PLEASE don't do this.  Everything you will read _anywhere_ tells you it's a
> bad idea.  I specifically didn't mention xhost at all because it's not
> secure, but if you insist on using xhost, _don't_ use "xhost +"

Derek, you are correct.

I suggested that 'xhost' be used - but with the explicit warning that
it *is* insecure and just a quick hack.

I think that this thread has determined that 'gksudo' or 'gksu' is the
best way to accomplish this task. It's even easier than using 'xhost'
:-)

Regards.
Andrew Glen-Young