Tell me more ×
Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.
up vote 1 down vote favorite

I have a couple of systems

  1. Running Suse Linux 11.4 & XDM Display manager .
  2. Red Hat Linux & Gnome

in both these systems when I log in as root user I am able to execute any X application like xterm , xclock etc .

However the trouble is when I login as a non root user I get the following error

xclock

No protocol specified

Error: Can't open display: :0

I see the following error in the logs

  1. No messges in /var/log/Xorg.0.log in case of Suse Linux
  2. The following error message in /var/log/Xorg.0.log in Red Hat
    AUDIT: Thu Nov 10 16:02:06 2011: 8659 Xorg: client 35 rejected from local host

I tried googling the error but couldn't find anything to help me.

This post describes the problem but did not fix my issue .

http://hintsforums.macworld.com/archive/index.php/t-4142.html

The surprise is that on my friends machine things work perfectly even for a non root user.

I suspect that there is a setting issue on my system. Is there some configuration that needs to be done to allow the non root users to execute X applications on a xdm system?

share|improve this question

migrated from stackoverflow.com Nov 10 '11 at 13:51

Know someone who can answer? Share a link to this question via email, Google+, Twitter, or Facebook.

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Browse other questions tagged or ask your own question.