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[K12OSN] Redirecting sound using esd (fun stuff)



Just thought I would share a cool learning experience with the list.

Today one of my students played a youtube video (with sound) on his
client computer which did NOT have speakers. He did it by redirecting
the sound esd stream to another client computer which did have
speakers. Here's how he did it.

$esdmon -s source_hostname  | esdcat > esdrec -s dest_hostname

Of course, it works for more than just youtube. You can also redirect
things like ogg123 -d esd song.ogg

You can even eavesdrop on other students by redirecting (copying in
this case) their sound stream to yourself. Pretty sneaky.

BTW I'm still using k12ltsp 4EL (ltsp 4.1) Does this hack work on ltsp 4.2 or 5?

-- 
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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