Subj : Re: Can't open display: :0.0
To   : comp.os.linux
From : noone
Date : Fri Jul 30 2004 05:35 pm

xproe@yahoo.com (wendy) tried to express:
> I tried to use xpdf to open a .pdf file in my home directory which is
> mounted on my local machine from our unix server. It has problem as
> following:
> --------------------------------
> Xlib: connection to ":0.0" refused by server
> Xlib: No protocol specified
>  
> Error: Can't open display: :0.0
> ---------------------------------
> The problem happened since yesterday. I delete some files from /tmp
> directory.

Without seeing your xserver config files I cannot say for sure but IIRC
some X implementations use a pipe in the /tmp directory to route X
commands from the server to the display.  You could have erased the neededstuff in /tmp.  Do other X programs work?  Have you logged out and logged in 
again since deleting the /tmp files?  What about a reboot?  That might
fix the /tmp issues.

Are you logged into the machine that is running the X server are
you running xpdf remotely from a different client workstation?

.