RE: help VNC free Edition 4.1

On Wed, 12 Oct 2011, Yang, Yihong wrote:

> Out situation is that the people in lab will create several sessions on 
> the server, and they will use viewer to access their own sessions. Once 
> we create the sessions on the server, the server will give you a number 
> based on the order of the creation, right? So the server will give you 
> session 1, session 2 and so on.
>
> The problem is that if we create two sessions on the server, there is no 
> problem for us to use viewer to access those two sessions. But if we 
> create more than three sessions, only the first and the second sessions 
> can be accessed by using viewer.
>
> I don't know how to fix it. Do you know how to fix this?


It might be because some ports are occupied by other processes.  I had 
this problem once with ssh port forwarding using port 6010, and this made 
it so that vnc on :10, which uses port 5910 and 6010, would not work.

Have you used netstat to see which ports are being used by other services 
on the server?  I would look into that.

Have you tried adding some sessions with higher port numbers?  That is, 
don't just except the default :1, :2, :3, etc, but specify :51, :74, or 
whatever.

Another question:  Whos sessions are these?  Are they all created by the 
same user?  Some window managers, such as Gnome, will not reliably allow 
more than one VNC session.

Mike

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