[FreeNX-kNX] Unable to open Display

[Holger Krull]

Daniel Spannbauer schrieb:
> Hello,
> 
> I'M using FreeNX 0.5.0 and NX-1.5.0 under SuSE 10.2.
> The Login with the actal NXClient from Nomachine works perfectly. But in 
> NX when I do a telnet to an other host and try to start a X-application 
> I get "unable to open Display". Display is set to unix:1000.
> If I do a xhost + an try to start the app again there is also the error
> "cannot connect to X server unix:1000.0".

Check if there really is a X-Server listening on Port 1000.
Why don't you set DISPLAY on the remote host to ip.address.of.nx:1000 ?
How is unix:1000 supposed to work?