palimpsest doesn't ask for root password so while it runs it is useless.
Switching a terminal window to a root terminal with su -
Attempting to start any gui program gives a sequence-
There are multiple lines
No protocol specified
ending with
Display localhost:0.0 unavailable
Starting an alternate session with ctrl-alt f2 and starting up the gui.
Using
startx -- :1
for alternate session.
Top level stuff launched from the menus works but starting programs from a
terminal session fails.
There are multiple lines
No protocol specified
ending with
Display localhost:0.0