[K12OSN] TeacherTool and dhcpd load balancing.

Robert Arkiletian robark at gmail.com
Wed Mar 21 16:53:51 UTC 2007

On 3/21/07, Jim Kronebusch <jim at winonacotter.org> wrote:
> > It's possible to do that. You would have to setup root ssh-keys
> > without a passphrase. But some things would break. Big problem would
> > be broadcasting, which is the best feature of fl-tt (in my opinion).
> > You can only run one session of vncreflector (which server?). Pick
> > one. Now I have to ssh into the other server launch vncviewer for each
> > user that connects to an ip OUTSIDE the lan of that server. So in
> > addition to setting up fl-tt, which people sometimes have trouble with
> > you're going to have firewall issues since vncviewer has to get
> > through BOTH server firewalls. Not to mention the huge ip traffic
> > that's going to get created through eth1 and one of the NAT servers. I
> > guess what I'm saying is I'm not sure if it's worth doing if there are
> > not that many people using load balancinng. And anyone who is, is
> > probably not using more than 2 servers. So by using FreeNX you can
> > have a quick fix. That said, if anyone is willing to hack on my code I
> > would be willing to provide some guidance. The new feature I'm going
> > to concentrate on now is the vncsnapshot window.
> You know, if you wouldn't have made such a nice tool we wouldn't be bugging you so much
> for new features :-)

Thanks Jim. Actually I really enjoy working on fl-tt but sometimes
it's not easy balancing family and coding.

> I was just trying to think outside the box with the ssh thing.  I really hope that in
> the future many people will be clustering servers.  That will really help things catch
> on in larger schools and districts.

In the last couple of days my mind has been changed regarding LTSP in
general.  I think this is for another thread. I will start a new one

> Good luck with the vncsnapshot feature.  That will a handy feature.  I use it all the
> time with Mac clients and Apple Remote Desktop.  Sure makes it easy to keep an eye on a
> room full of kids.

I'm looking forward to it too.

> Thanks,
> Jim
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Robert Arkiletian
Eric Hamber Secondary, Vancouver, Canada
Fl_TeacherTool http://www3.telus.net/public/robark/Fl_TeacherTool/
C++ GUI tutorial http://www3.telus.net/public/robark/

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