Remote X

[Robbo]

On Fri, 2005-09-02 at 12:38 +0200, Henning Kilset Pedersen wrote:
> Hello.
> 
> I've used Linux/Unix for several years, and whenever I wish to run a
> program on a different machine and redirect the display output to my
> machine, I've done:
> 
> mymachine$ xhost +
> remotemachine$ export DISPLAY=mymachine:0.0
> remotemachine$ blahXapp
> 
> However, on Ubuntu when I try this - the xhost + command works fine, and
> the DISPLAY variable gets properly exported. But when I try to run the
> application, I get:
> 
> (gnome-cups-manager:24021): Gtk-WARNING **: cannot open display:
> 
> Am I missing something here?

Run 'sudo gdmsetup', it's also under System/Admin/Login Screen Setup.

Under the security tab is a "Deny TCP connections to Xserver" tab that
by default is enabled.  Restart the Xserver and that should work...