On Thu, 30 May 2002 [EMAIL PROTECTED] wrote:

> The first user logs in through xdm, but the second user is in a different 
> room (or not even the same building) but will telnet to the machine and 
> start the build (which needs access to the X server).

In that case the first user is a red herring - it doesn't matter whether 
they exist or not.

The second user needs to allow the build machine to connect to 
the
screen on his desk. He can do this with
        xhost +buildmachine
in his .xinitrc, but he may need to set the environment variable
DISPLAY (with
        setenv DISPLAY desktopmachine:0
pr
        export DISPLAY=desktopmachine:0
depending upon shell) every time he logs in.
I haven't used telnet for a long time (I don't trust my net)
last time I looked this wasn't automatic.
 
> Is there a good reason why an `xhost +localhost` in the first user's 
> .xinitrc wouldn't work?

No, you want to allow the other machine to access to the screen
on your desk.


-- 
Dr. Andrew C. Aitchison         Computer Officer, DPMMS, Cambridge
[EMAIL PROTECTED]   http://www.dpmms.cam.ac.uk/~werdna

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