[K12OSN] cron job how to

[Burke Almquist]

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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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