Re: Track down problem with access to display 0.0

[Satish Balay <balay fastmail fm>]

On Tue, 27 Jul 2004, Harry Putnam wrote:

> Summary:
> Running FC3T1 (updated)
> Kde desktop
> Using default run level 3 and `startx' from cli to enter X.
> 
> Can someone point me to documentation that spells out the string of
> events that occur when X is started.  In my case I default to run
> level 3 and `startx' as needed.
> 
> In past releases I've always been able to ssh root localhost from a
> user xterm in X and the resulting root terminal would be able to run X
> applications in that users X session.  Now I get messages that say
> things like:  Gtk-WARNING **: cannot open display
> 
> Depending on which app it is, the warnings differ but always `no access
> to display' is the punch line.
> 
> I'm thinking if I unravel the scripting that startx runs I'll find
> where somekind of authorization is being invoked.  Maybe --nolisten or
> something similar.  I have looked at /etc/X11 scripts like `startx',
> `xinit' and `Xclients' but am getting really lost as to what is
> calling what etc.
> 
> I hoped somewhere the startup sequence of X in Fedora specifically
> might be outlined.
> 
> PS-setting `xhost +'  doesn't seem to have any effect on this.

Have you tried 'ssh -Y root localhost' ?

Satish