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How to allow remote application setting display to the SUSE linux desktop

  1. Allow remote TCP connection to the X server. You need root privilege to config it.

Just run gdmsetup. This will open a window with multiple tabs. In the Security tab, disabled the line that says “Deny TCP connections to the X server”. Close the window and then log out of your current X session. You need to restart gdm for this to work. The easiest way to do that is to go to a console login, login as root, change to run level 3 (just type “init 3”) and then return to run level 5 (“init 5”) to restart gdm.
Ref: http://www.graphics-muse.org/wp/?p=69

  1. Add remote host into X server access control

Run xhost remote_host_ip

  1. Set DISPLAY environment variable in remote host before execute the application

setenv DISPLAY display_host_ip:0.0