X -nolisten tcp
From Brandonhutchinson.com
On my Ubuntu 8.04 system, I'm running Gnome Display Manager, and want the X server to listen on localhost:6000. By default, the X server is run with -nolisten tcp.
$ pgrep -fl X 8821 /usr/bin/X :0 -br -audit 0 -auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7
To enable the X server to LISTEN on port 6000, change the following in /etc/gdm/gdm.conf: From:
DisallowTCP=true
To:
DisallowTCP=false
Reload GDM with invoke-rc.d gdm reload and restart X for the change to take effect.
$ pgrep -fl X 7440 /usr/bin/X :0 -br -audit 0 -auth /var/lib/gdm/:0.Xauth vt7
