[FreeNX-kNX] nxviewer vs vncviewer

[Mike Morris]

I have googled and been to !M KB without luck, so I guess I need to ask you good people!

I have a 12.04 Ubuntu server with freenx installed and working fine for X apps. I can connect from remote machines and run either a DE (e.g., lxde) or individual windowed apps (LibreOffice, Firefox, etc.). I am using the NX client on my 2 remote machines, one Ubuntu, one Windows 2000.

Now I want to connect to the freenx server and have it proxy a VNC session from a Windows machine to my remote client. To clarify... the freenx server (aka "proxy machine") and the windows machine running a VNC server (aka "VNC host") are on the same (workplace) network. From home I want to NX from my "remote client" to the nx proxy machine and be able to manipulate the desktop of the VNC host.
After "connected", "authenticated" and "downloading session data" confirmation messages, I get "connection error" message. I've turned debug to level 7 via node.conf on the server. Checking the session log in .nx/ under my home directory on the server, I see a single line:

/usr/lib/nx/nxnode: line 818: /usr/lib/nx/nxviewer: No such file or directory


First, please correct me if I have a fundamental misunderstanding since most 
of the vnc related threads I've found concern accessing the display :0 session on the 
freenx proxy machine, in a 2 machine scenario. I'm attempting a 3 
machine scenario, which the docs seem to show is a normal use case. 

>From my reading it sounds to me like nxviewer is no longer used, and vncviewer should be sufficient. vncviewer is installed and working on the server, nx proxy machine. I've also confirmed that x11vnc, xvnc4viewer, freenx-vnc and tightvncserver are all now installed. "nxpasswd" also exists in /usr/lib/nx.

I've toyed with all the relevant node.conf settings I can find, namely "ENABLE_EXTERNAL_NXVIEWER", "COMMAND_VNCVIEWER", etc. But that's probably the wrong path.... the real question to me is why is it trying to run nxviewer instead of vncviewer?

I am afraid I'm doing something stupid, but can't for the life of me figure out what :-)

Any help Very Much Appreciated !!!

Thanks,

MikeM

PS: I sudo apt-get dist-upgrade frequently :-)
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