Thin client problems

Robert Arkiletian robark at gmail.com
Fri Sep 7 17:57:39 BST 2007


On 9/7/07, Jim Kronebusch <jim at winonacotter.org> wrote:
> On Fri, 07 Sep 2007 16:01:17 +0200, Kai Wüstermann wrote
> > Moin Dave!
> >
> > Am Donnerstag, den 06.09.2007, 12:58 -0600 schrieb Dave Cabot:
> >
> > > 3) I've got the x11vnc installed and running on the clients and I can view
> > > them from the thin client manager, but when I click on Share Screen nothing
> > > happens.
>
> Follow the below instructions to install Robert's fl_teachertool.  I think you'll be
> very happy with it. Jim
>
> ------------------------------------------
>
> 1. Setup x11vnc on clients:
>
> sudo cp /etc/apt/sources.list /opt/ltsp/i386/etc/apt/sources.list
> sudo chroot /opt/ltsp/i386
> apt-get update
> apt-get install x11vnc
> vi /etc/rc.local
> x11vnc -display :6 -forever -shared -bg
>

change to
 x11vnc -display :6 -forever -shared -loop &

> # I didn't have to do the following since I had already moved K99rc.local to get
> cd /etc/rc2.d
> mv K99rc.local S99rc.local
>
>
> 2. Download fl-tt source and install
>
> wget http://www3.telus.net/public/robark/Fl_TeacherTool/fl_teachertool-041-ltsp5.tar.gz
>
> apt-get install build-essential libfltk1.1 libfltk1.1-dev libxpm-dev vnc4server
> xtightvncviewer zlib1g-dev libjpeg-dev xscreensaver
>
> tar -zxvf fl_teachertool-041-ltsp5.tar.gz
> cd Fl_TeacherTool-0.41
> sudo make && make install
>
> sudo chmod +x /etc/X11/xinit/xinitrc
>
> sudo vim /etc/X11/app-defaults/XScreenSaver
>
> *mode:                  random
>
> replace the word "random" with "blank" on the line that matched the above (no quotes)
>
> 3. Download and install vnc-reflector
>
> wget http://sourceforge.net/projects/vnc-reflector/
>
> tar -zxvf vnc_reflector-1.2.4.tar.gz
> cd vnc_reflector
> sudo make
> sudo cp vncreflector /usr/bin
>
> 4. Create vncuser on server and .vnc tree
>
> sudo adduser vncuser
> answer user options and set password
>
> 5. Logout and login with new vncuser, then run vnc4server
>
> /usr/bin/vnc4server
>
> Kill vnc4server
>
> vim /home/vncuser/.vnc/xstartup
>
> Uncomment the following 2 lines:
> unset SESSION_MANAGER
> exec /etc/X11/xinit/xinitrc
>
> Logout vncuser
>
> 6. Set vnc password and copy .vnc
>
> sudo /usr/bin/vncpasswd
> sudo cp -a /home/vncuser/.vnc /opt/ltsp/i386/root/

This should be
sudo cp -a /root/.vnc  /opt/ltsp/i386/root/

But please hold off installing fl_teachertool until I can ensure
x11vnc is secure. (runs with a password)


-- 
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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