On Fri, Sep 05, 2003 at 12:18:40PM -0700, Steven G. Kargl wrote:
> After a few hours of frustation, it's time to ask a question.
> 
> I have 2 accounts on my machine.  I use startx to start
> X11 as user kargl.  If I then su to user sgk, I cannot
> fire up X clients.  For example,
> 
> troutmask:kargl[202] su sgk
> Password:
> troutmask:sgk[201] gnuplot
> Terminal type set to 'x11'
> gnuplot> plot sin(x)
> gnuplot> 
> gnuplot: unable to open display 'troutmask.apl.washington.edu:0'
> gnuplot: X11 aborted.
> 
> I've tried using "xhost sgk@", but this doesn't work.
> The only thing I can think of that may need to be
> configured is PAM, but the documentation is rather
> incomplete.  So, anyone know how to setup su to
> permit sgk to use X clients?

As user kargl:

    % xauth nextract /tmp/foo ${DISPLAY}

As user sgk:

    % xauth nmerge /tmp/foo

and remember to delete /tmp/foo as soon as possible.

        Cheers,

        Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.                       26 The Paddocks
                                                      Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey         Marlow
Tel: +44 1628 476614                                  Bucks., SL7 1TH UK

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