Yes, I just found a workaround yesterday.
I discovered that root is handed a definition of the environment
variable XAUTHORITY that points to a non-existent directory:
root@login:~# echo $XAUTHORITY
/tmp/libgksu-OgwC1o/.Xauthority
root@login:~# ls $XAUTHORITY
ls: cannot access /tmp/libgksu-OgwC1o/.Xauthority: No such file or directory
This makes it impossible to run any GUI-based program as root.
I worked around this by adding the following to root's .bashrc file:
export XAUTHORITY=~/.Xauthority
cp /home/<myhome>/.Xauthority $XAUTHORITY
It would appear that libgksu is the source of this problem.
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https://bugs.launchpad.net/bugs/1449748
Title:
gedit can't run in root terminal
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