Howto use Xnest

[Longman, Bill]

> You have been bitten by the wonders of Xauth. 
> 
> What you need to do is work your way through the X start up 
> sequence to
> gain an understanding of what gets started when and why.
> 
> For the impatient, give this a try:
> 
> (1) become root

But why do I have to become root? Why can't I just start Xnest from my
running session? That's the problem. It's easy to hammer and chisel it using
root....

> (2) startx  --  /usr/X11R6/bin/Xnest  :1