On Tue, Nov 27, 2012 at 7:29 PM, John Doe <[email protected]> wrote: > In X as normal user, trying to launch xapp from an xterm that I have su'ed to > root in. > I get a 'Cant open display' error. > > Please help.
If you want to understand what is happening, then read the Xsecurity(7) and xauth(1) manpages. Philip Guenther
