[FreeNX-kNX] problems in Ubuntu Land

[chris at ccburton.com]

freenx-knx-bounces at kde.org wrote on 09/05/2014 14:44:07:

[SNIP
I’m having some “issues” getting FreeNX to work with Ubuntu 13.10 Saucy 
Salamander
[SNIP]

> login to the NX server (ssh -X blah)
> run: /usr/lib/nx/nxnode —agent
> 
> If I do this I get the following:
> 
> > /usr/lib/nx/nxnode --agent
> > NX> 1000 NXNODE - Version 3.2.0-74-SVN OS (GPL, using backend: 3.5.0)
> > NX> 716 Starting NX Agent ...
> > Error: Aborting session with 'Server is already active for display 0

The console, usually . . .

. . . and running


> >    If this server is no longer running, remove /tmp/.X0-lock
> >    and start again'.
> > Session: Aborting session at 'Thu May  8 14:02:10 2014'.
> > Session: Session aborted at 'Thu May  8 14:02:10 2014'.
> > NX> 716 NX Agent exited with status: 1
> > NX> 1001 Bye.
> 
> So I removed (as root) /tmp/.X0-lock

Not usually a good idea . .  .


> then re-ran:
> 
> > /usr/lib/nx/nxnode --agent
> > NX> 1000 NXNODE - Version 3.2.0-74-SVN OS (GPL, using backend: 3.5.0)
> > NX> 716 Starting NX Agent ...
> > _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
> > _XSERVTransMakeAllCOTSServerListeners: server already running
> > Error: Aborting session with 'Cannot establish any listening 
> sockets - Make sure an X server isn't already running'.

Still running . . .


> > Session: Aborting session at 'Thu May  8 14:35:54 2014'.
> > Session: Session aborted at 'Thu May  8 14:35:54 2014'.
> > NX> 716 NX Agent exited with status: 1
> > NX> 1001 Bye.
> 
> 
> now I’m really lost….is my X installation broken, or is there 
> something fundamentally wrong with this install?
> 
> Any help would be MUCH appreciated.

You need to find out how 13.10 X tells everything what its
 display is.

You may find that 13.10 doesn't use $DISPLAY


You should also check what your ssh session is choosing for its
display with   -X ( X forwarding)

eg
         localhost:10:0
typically, NOT
         :0

Try
        echo $DISPLAY

What was the blah in

        login to the NX server (ssh -X blah)

> 
> Best wishes,
> 
> Jon
> --
> Jonathan Brooks (PhD) - Senior Research Fellow
> CRiCBristol, University of Bristol, St Michael's Hill, Bristol, UK
> T: +44(0)117-342-1512 W: http://www.cricbristol.ac.uk

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