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EndSection
14.16 Using VNC to Share a Presentation
About two years ago, I led a introductory workshop on the use of LAMP (Linux,
Apache, MySQL, and Perl/PHP). I had prepared some slides, but knew that during
some parts of the presentation the slides would be obscured by live demos. The participants
would also be performing hands-on experimentation and would have to
14.16
214 Chapter 14: Using VNC
refer to the slides, so I needed some way of enabling them to see the slides regardless
of what I was doing on the screen. Although my presentation software (MagicPoint)
had a web-based follow-along mode, it didn??™t scale well enough for this workshop.
The solution I used was to start an Xvnc server with a geometry smaller than my
screen size and to run the presentation software on that display. I then used a VNC
viewer to display that window on my screen, and I provided each of the participant
workstations with an icon that started a VNC viewer on the workstation with appropriate
arguments to prevent updates (so they could see the current slide, but not terminate
the presentation or change the slide).
This is the script used on the podium computer:
#!/bin/bash
#
# govnc :: start a VNC server with mgp inside
# use index.
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