[K12OSN] fl_teachertool can't broadcast on k12 6

[Petre Scheie]

A little more info: Monitor and Control work, just not Broadcast.  So, 
vnc can connect to one client, just not multiple clients.

Peter Scheie wrote:
> fl_teachertool 0.41 on my K12LTSP 6 system can't broadcast to clients. 
> Monitoring works, as does lock (invoke screensaver).  I've enabled 
> X4_MODULE_02 = vnc in lts.conf and rebooted the clients. This happens 
> whether I run it as root or as a user who's been given permission via 
> sudoers.  When I call fl_tt from a command line and try to broadcast, I 
> see errors like this:
> 
> /usr/sbin/teachertool-vncviewer: ConnetctToTcpAddr: connect: Connection 
> refused
> Unable to connect to VNC server
> 
> If I run nmap against a client, it shows there is a listener on port 
> 5900.  I copied the .vnc directory from root's home directory to 
> /opt/ltsp/i386/root/.  I'm stumped as to why the connections are being 
> refused.  Anyone have any ideas?
> 
> Petre
> 
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