[K12OSN] scripting advice re teachertool

[petre at maltzen.net]

I think Eric's method is more bulletproof.  Many times when I've tried to
kill all the processes for a given user, they don't all die at the same
time, some taking longer than others.  I'll run 'ps -ef |grep $user' and
then kill -15 the PIDs by hand, and then run 'ps -ef ' again, and some
processes will still be out there.  So, then I 'kill -9' those remaining
processes, only to be told they don't exist, do the ps again, and indeed
they have disappeared.

Eric's approach allows that some processes will be slackers.

OTOH, I like the look of your appoach: shorter, more succinct.  But I
think in this case you should choose function over form.

> I log users off like this in fl_TT
>
> skill -15 -u user || skill -9 -u user
>
> but I noticed Eric uses this method in his purge_users script
>
> # first do it nicely
> pkill -u user
> # wait a couple seconds
> sleep 2s
> # now do it the hard way
> pkill -9 -u user
>
> are there any differences or advantages to these methods??
> I ask because I'm getting reports of the first method not working 100%
> of the time.
> --
> Robert Arkiletian
> C++ GUI tutorial http://fltk.org/links.php?V19
>
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