[K12OSN] Teacher Tool

[Jim Kronebusch]

> There's a package on freshmeat called VNC Snapshot that is a 
> commandline utility that takes a jpeg snapshot of a VNC server (the 
> client machine in our case).  Perhaps with that you could scale the 
> jpegs down to thumbnail size and create a 'board' with snapshots of 
> the clients.  It's not real-time, but I think that's probably better,
>  as a bunch of real-time thumpnails would tax the network.  VNC 
> Snapshot is at http://vncsnapshot.sourceforge.net/

The new Edubuntu "Thin Client Manager" installed on my feisty machine today
with some updates (it was Student Control Panel a couple days ago).  It looks
like this tool does as Petre suggests above and creates snapshots for a
multiple screen view.  It also has a refresh button underneath the thumbnails
to update the images in the list.  Also if you are looking at a list of
clients on the left hand side when you select one the right hand pane show a
list of running processes along with a thumbnail of the current desktop.  The
tool doesn't work for crap right now as I assume it is still in development. 
But maybe you could get the source from that to see how it is done.

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