Inside GNOME, I opened a terminal and then run `glxgears`. It erred with message "unable to connect to localhost:10.0". How could that be? GNOME is runing on top of Xorg.... -- .~. http://changmw.homeip.net / v \ Linux 2.6.13 /( _ )\ (Ubuntu) 20:46:01 up 4 days 2:19 ^ ^ load average: 0.06 0.37 0.26