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Is it possible to somehow open an x application on another users display?

Say that i have user A who is logged on to the ubuntu desktop, and user B who is accessing the ubuntu machine via SSH.

I know that it is possible for user B to open an x application locally, but is it possible for user B to open a program (ie firefox) and have it displayed on user A's desktop session?

And if yes, how?

Martin Nielsen
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1 Answers1

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Yes, but it will depend on your xhost settings. So, if you have connected as userB to a machine that is running an X session owned by userA, you will need to do two things:

  1. userA must allow you access:

    userA@foo $ xhost +

  2. You need to set your DISPLAY variable to the remote display:

    userB@foo $ export DISPLAY=:0;

Now userB will be able to run graphical programs.

terdon
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