When I log in to my debian system as non-root, I sometimes like to run a few X 
programs as root.

So I startup xterm, do a 'su', and then attempt launch the X program.

It always returns with an (paraphrased) error 'cannot connect to xserver - 
permission denied'.

What is causing this ? Do I need to put in a DISPLAY=Machine_Name:0.0 into 
/etc/profile ?

Any helps, thanks !

Geoff Brimhall


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