[K12OSN] tight vnc connection to ltsp client refused (111 error)

Robert Arkiletian robark at gmail.com
Fri May 19 22:07:34 UTC 2006

On 5/19/06, Trond Mæhlum <trond at maehlum.net> wrote:
> Robert Arkiletian skrev:
> > On 5/17/06, Dan Visentin <visentind at hdsb.ca> wrote:
> >>
> >>  Howdy Folks,
> >>
> >>  I've been experimenting with Fl_TeacherTool (brilliant Rob!) but cannot
> >> monitor the LTSP clients.  I cannot even use the vncviewer to view
> >> clients.
> >> In all cases I get a "connection refused (111)" error.  I've run
> >> vncpasswd
> >> and copied files etc. as per instructions but to no avail.
> >>
> >
> > What version of k12ltsp are you using? k12ltsp 5.0 does not work with
> > the monitor/control feature of fl_TT because there is no vnc X
> > extension module compiled in the LBE. I developed fl_TT using k12ltsp
> > 4.2.1EL. Although NO version of k12ltsp has the required module
> > compiled in the LBE, out of sheer luck the required files when copied
> > from the host OS seem to work in 4.2.1EL. That's why I labeled them
> > experimental.
> Robert and Dan,
> This also works on K12LTSP 4.4.x. It seems that it will work on all
> installations of LTSP4.1 that I have tried. Sadly, it does not work on
> LTSP4.2 for now. I am one of many (I think) that will not let go of this
> feature.
> I have tried it on the new Ubuntu and Skolelinux ltsp as well. I would
> suspect it to be much easier when you can chroot into the ltsp-tree and
> apt-get install vnc4server. Sadly I haven't been able to get it working
> there either. There's too many changes in ltsp, so the how-to doesn't
> apply to get the vncserver started at login on the terminal.

Hopefully Eric or Jim will provide an rpm to add the necessary
libraries to the LBE, if enough people request it.
Fl_TT is useful for more than just teachers. Perhaps Jim will decide
to add it to LTSP as it does provide a solution for some of the
desired future functionality of LTSP's roadmap. eg broadcasting,
shadowing, etc
Robert Arkiletian
Fl_TeacherTool http://www3.telus.net/public/robark/Fl_TeacherTool/
C++ GUI tutorial http://www3.telus.net/public/robark/

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