[ale] VNC dieing and killing session

[Michael D. Hirsch]

On Tue, 2004-11-23 at 00:31, James P. Kinney III wrote:
> Michael,
> 
> I thought that xinetd would stop a process once a connection was no
> longer used. That would cause vnc to loose state between connection
> attempts.

If I kill my vnc client deliberately my session stays alive.  I can VNC
again as be right back where I was.  So I suspect that the disconnetion
is a symptom, not the cause.  I think my VNC server is crashing, though
I can't find any evidence.

> Add a logging line in iptables that records access to the 5800/5900
> ports for vnc. Look to see if another process is trying to camp on that
> space.

Not a bad idea, that.

> Also check if there is a keepalive parameter for the vnc server. Does
> another vnc server have the same problem? I typically use tightvnc as
> much of my remote stuff is over a slow upload dsl line (at best!). I
> have left vnc sessions open for days. I do log into a ssh server at the
> local site first and then vnc to the next machine.

I'm testing with tightvnc right now.

Thanks,

Michael

> On Mon, 2004-11-22 at 10:28, Michael D. Hirsch wrote:
> > I'm having more, and more serious, VNC trouble.  I run VNC on a remote
> > system, and then display eclipse on it to do remote programming.  VNC is
> > kicked off by xinetd, so it runs on demand, which is very slick.  It's
> > on a RHEL 3 system.
> > 
> > My problem is that this seems to die frequently.  I'm going along fine,
> > then suddenly my client gets disconnected.  This shouldn't be so bad,
> > because I can just reconnect, right?  But no, when I reconnect, my VNC
> > server has exited and I have to log in all over again.
> > 
> > I can't find any message in any log file relating to why the system when
> > down.  I'm using the VNC server from Real VNC, version 4.0.  I've tried
> > multiple clients, with the same behavior, so I don't think it is the
> > client.
> > 
> > Has anyone seen this.  Any suggestions?
> > 
> > Michael
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> > 
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