[ILUG] Weird X problem

[Vincent Cunniffe]

ilug-admin at linux.ie wrote:
> 
> Hi all,
> 
> I'm running a fairly scant RedHat 6.0 installation on a 486/66/16, and
> I've run into a wee problem. Basically, in getting stuff to fit in 500MB,
> with 64MB swap (the workstation install did that automatically), I
> unselected (almost) everything, and put back in the stuff I thought I
> needed. Basically I want emacs, X with fvwm95, kernel (and source), docs,
> ftpd (not anonymous, mind), C development, C++ development, sendmail,
> pine, ncftp, etc, etc. I would have liked teTeX too, but whatcha gunna do?
> 
> Anyway, the install wanted to put loads of superfluous stuff on, so I took
> lots of stuff off, and I figure I must have taken something important away
> at installation. When I try to run xapps from an xterm (or even from
> menus), I get
> [dave at localhost dave]$ Xlib: connection to ":0.0" refused by server
> Xlib: Client is not authorized to connect to Server
> emacs: Cannot connect to X server :0.0.
> Check the DISPLAY environment variable or use `-d'.
> Also use the `xhost' program to verify that it is set to permit
> connections from your machine.
> 
> which is, to say the least, a little odd. DISPLAY is set, obviously
> enough, to :0.0, and when I run xhost (out of interest) I get the same
> error.
> 
> Anyone seen this, or something similar, before, and have an idea how to
> patch it up?

Are you running the xserver itself as root while trying to execute x apps
as your own UID?

Vin