Remore execution of apps not possible in FC3

William Hooper whooperhsd3 at
Wed Jan 19 14:48:05 UTC 2005

William Lovaton said:
> Hi there,
> I just realized that there is no way to execute a
> graphical application with X in another computer. Both of them are using
> Fedora Core 3.
> I disabled the access control with "xhost +" (Don't
> tell me this is insecure, I know) in my workstation, then I log with ssh
> into the server and set the DISPLAY=<ip>:0 and then I execute a graphical
> app. For example gkrellm or any system-config-*.  It always
> says "cannot open display".
> I logged in the server with ssh, ssh -X, ssh -Y but
> still it doesn't work.

You need to either:

a) configure your X to listen on the network and your firewall to allow
the communication


b) leave the DISPLAY variable alone when you use SSH and let SSH tunnel it.

William Hooper

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