[K12OSN] cron job how to
Burke Almquist
balmquist at mindfirestudios.com
Fri Sep 9 11:35:27 UTC 2005
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You could also setuid the folder so that items within it would be
owned by the teacher.
On Sep 8, 2005, at 10:40 PM, Liam Marshall wrote:
> I have a "homework folder" for each computer class where the owner
> is the teacher of the class, the group is the group associated with
> that class. owner has read write execute, group has write and
> execute. So effectively, they can drag/drop off their assignments
> into this folder, and after they close the window, can't access
> their own file, effectively "handing in" their assignment.
>
> I was quite pleased with myself until I went into one of my own
> class homework folders. I can see all the files( this is good) but
> cannot open any!(this is bad!) for myself I could get around this
> by logging in as root and harvesting the files to mark but of
> course do not want the other teachers to be able to do that. I am
> assuming that the problem lies with permissions, in that when
> student a creates a file by dragging it into the homework folder,
> the permissions for THAT file become theirs, as in they become the
> owner of that file, and not the teacher. I would love for created
> files to be owned by the teacher. Am I right in that?
>
> The only way I can think of around this is to write a little bash
> script that chown's the files in the class homework folder to
> change all file ownership back to class teacher. I am sure I could
> write this script and execute it manually but have no idea how to
> automate it. I have heard and read about scheduling such an animal
> as a "cron job" but have no idea how to schedule/set up such a thing
>
> I would really appreciate help with this.
>
> Thanks
>
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