[K12OSN] Permissions for students and teachers

[Chuck Kollars]

>>> Any suggestions how to set up permissions for 
>>> students and teachers? ... 
>> Here's my experience when I set up a network file 
>> storage server for a whole school using Samba a 
>> couple years ago: ...
> make a lot of groups with exactly the members you 
> want so you don't need acls for exceptions. 

I forgot to say explicitly one fairly important thing
about my experience: 

With over a thousand students, producing very detailed
groups or customizing groups seemed to me like just an
administrative nightmare. To avoid that, my
self-imposed working constraint was that all groups
had to be defined and produced automatically in
advance then not tweaked, and groups couldn't require
changing at semester change time. 

(Once you start tweaking group memberships, it's easy
to make *nix do anything  ...but that _may_ be a can
of worms you don't want to open.)

Your mileage may vary. If you don't impose the
constraint of not having any dependency on scheduling
information for group definitions and not tweaking
group memberships nor changing them at the semester,
my experience with Posix ACLs is irrelevant to your
situation.

thanks!

-Chuck Kollars

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