Keith Keller wrote: >> >>I'd thought that :0.0 was the norm. > > It is, but it's not a hard and fast rule. If you are running multiple > local X consoles, for example, they can't all be :0.0. I've also seen > different identifiers when one X session is hung and/or doesn't finish > cleanly before a new one is brought up. I've seen this on CentOS 6 - X (re-)starts up on something other than :0 I didn't spend any time investigating why at the time - but I guess the reasons why X didn't start on :0 should be in /var/log/Xorg.0.log ? James Pearson