[K12OSN] Re: NX Client/nomachine
Stephen Crampton
SteveSings at gmail.com
Sat Nov 1 12:37:22 UTC 2008
If you just want to use fl_teachertool remotely, I found that I did not need
freenx. I have two servers sharing the load on my LTSP network. One of
them (server2) is attached to a projector for demos and to display student
work. The other (server1) runs a local web server. (Because of
school-district policy, we are a stand-alone network, not attached to the
Internet.)
I log in to my teacher account on server2. When I want to use
fl_teachertool, I start it locally, which brings up about half of the
clients. Then I open a terminal and type the following:
su -
ssh -X server1
fl_teachertool &
Voila. I get another fl_teachertool window with the other half of the
clients. So that I don't have to authenticate every time, I copied the ssh
key from server1 to server2.
TODO: Put this into a script with an icon that will automatically open up
both instances of fl_teachertool. Also, set it up so that I don't have to
be root to make the remote fl_teachertool work.
QUESTION: Am I correct in assuming that the security issue in
fl_teachertool is minimized, because the teacher account is running on the
server? A student hacker could view or take control of another student's
machine, but not the teacher machine, right?
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