[FreeNX-kNX] freenx server + NoMachine client - black window after disk clone

[Ricardo Díaz Martín]

I remember some weeks ago I was a similar problem. You can try to do this:

sudo apt-get install kubuntu-desktop

or

sudo dpkg-reconfigure kubuntu-desktop

It worked for me.

Good luck
Ricardo Díaz

2010/9/24 Brian Keen <brian_mk at hotmail.co.uk>

>  We have a PC running 64bit Ubuntu 10.04 and KDE 4.
> After discovering that VNC <#12b42a7f51a70ac7_> does not work well with
> KDE 4, we installed the FreeNX server. This works with a NoMachine NX client
> running on Windows XP with no problems.
>
> We needed another linux PC with the same configuration. To save time we
> cloned the linux hard disk and installed it in another PC with identical
> hardware. The IP address & hostname were changed because it had to connect
> to the same network.
> This works fine from the console.
>
> When I try to connect to the second machine using NX, it appears to
> authenticate and connect but I get a black window and cursor. After a few
> seconds, the NX client terminates and the window is closed. It suggests that
> the KDE window manager <#12b42a7f51a70ac7_> is not working properly.
> However KDE runs up correctly from the console or when using VNC.
>
> I can connect over SSH from another linux machine.
> I tried removing and re-installing the FreeNX server - same problem.
> I even tried re-installing the windows NX client.
>
> After the attempt to connect, the ~username/.nx directory is empty apart
> from an empty cache-kde directory. i.e there are no files beginning with
> 'C-' as there are on the first machine where NX connects ok.
>
> I wonder if there is a file that was created on the first machine that
> needs deleting and re-creating.
> How do I get some log information from the server? /var/log/nxserver.log is
> empty.
>
> I have seen similar issues reported by others in this mailing list, but no
> solutions.
>
>
> Any suggestions?
>
> Brian.
>
> ________________________________________________________________
>     Were you helped on this list with your FreeNX problem?
>    Then please write up the solution in the FreeNX Wiki/FAQ:
>
> http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ
>
>         Don't forget to check the NX Knowledge Base:
>                 http://www.nomachine.com/kb/
>
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