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Asked: 2026-05-11T09:37:35+00:00

According to this , for best results in Leopard my $DISPLAY variable should start

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According to this, for best results in Leopard my $DISPLAY variable should start with /tmp/launchd. Alas, my $DISPLAY variable is /tmp/launch-aLhnOW/:0

I do not set $DISPLAY in any of these …

  • /private/etc/profile
  • /private/etc/bashrc
  • ~/.bash_profile
  • ~/.profile

… so I suspect there is some other configuration file that X11 is reading. Any suggestions?

I specifically need to ensure that it is not set anywhere. Per the linked article:

Starting X11.app from the dock will get you two icons, setting it to auto-launch is also a no-no, and if you have set DISPLAY in any of your configuration files you get a disaster.

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  1. I think your DISPLAY variable looks all right. I don’t think it is being set by a configuration file.

    Normally you have a launchd configuration file such as /System/Library/LaunchAgents/org.x.startx.plist. This contains a section:

        <key>Sockets</key>             <dict>                     <key>:0</key>                             <dict>                                     <key>SecureSocketWithKey</key>                                             <string>DISPLAY</string>                             </dict>             </dict>

    I believe this causes launchd to open a socket and set the DISPLAY variable to its path. When a program contacts this socket, startx is invoked by launchd.

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