I'm trying to design a digital signage system and I've hit a stumbling block. I've installed Xorg to run the graphical signage app. By default the server shows the X server on the main display (as intended), however I was wondering if it is possible to log in via SSH and then run a command (start-xibo.sh for arguments sake) and have this run the program on the X display?
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Can you clarify, do you want your app to run locally to the box you ssh'ed into? Or remotely on the box you ssh'ed FROM?– polynomialSep 2, 2011 at 18:00
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Similar questions at Unix & Linux: Is there a way to communicate with someone at their desktop? ssh DISPLAY variable– Gilles 'SO- stop being evil'Sep 2, 2011 at 20:44
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2 Answers
Please update the question for clarity, from reading this it sounds like you are trying to run a graphical app and have it appear on the X server running locally on the box you ssh'ed into. If that is the case you need to set the DISPLAY variable, you can get more information about that here:
http://www.cisl.ucar.edu/docs/ssh/guide/node29.html
http://support.objectplanet.com/esupport/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=17
If you are using OpenSSH client, connect like this:
ssh user@host -X
Then run you X program. It should appear at your local machine.
P.S. There can be some trouble with Xauthority. I can't remember at the moment but if you get it - leave a comment.
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1The 'xauth' program must be installed on the remote host and ~user/.Xauthority must be writeable by the user.– daffSep 2, 2011 at 17:59