[K12OSN] OT: what do you use to schedule you schools bells

Rob Owens rob.owens at biochemfluidics.com
Tue Feb 19 18:17:41 UTC 2008

Here's a list of some GUIs for cron.  I've never used any, so I can't 
comment on them, but they may be useful to you.



Krsnendu dasa wrote:
> We are planning to use webmin to set up cron jobs to play a song at 
> certain times of the day with speakers pointing out to the playground. 
> The idea is if the song finishes and you are not in class then you are late.
> I am not sure how easy it will be for teachers to change. It wouldn't be 
> good to let them have access to everything that webmin does. I wonder if 
> there is a way to limit access by user to only the function you want.
> On 19/02/2008, *Sam Snow* <snowsam at laurel-point.net 
> <mailto:snowsam at laurel-point.net>> wrote:
>      >
>      > Message: 6
>      > Date: Mon, 18 Feb 2008 09:52:57 -0600
>      > From: Timothy C Litwiller <tim at litwiller.net
>     <mailto:tim at litwiller.net>>
>      > Subject: [K12OSN] OT:  what do you use to schedule you schools bells
>      > To: k12osn at redhat.com <mailto:k12osn at redhat.com>
>      > Message-ID: <47B9A9D9.4060101 at litwiller.net
>     <mailto:47B9A9D9.4060101 at litwiller.net>>
>      > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>      >
>      > I need to find something "free" or very low cost to run the bells
>     at our
>      > 28 student private school. I think I have found a relay switch that I
>      > can control with usb and wire into the bell circuit along with
>     the the
>      > push button.
>      >
>      > But I need some software that the teachers can use to schedule.  
>     I can
>      > setup the default - but some times things get changed around for
>     a few
>      > days and I don't want to have to be there for every change.
>      >
>     Tim,
>     I looked at the same thing a few years ago and ended up buying a
>     dedicated clock unit that was designed to trigger bells. It seemed a lot
>     simpler than something I put together that involved running a computer.
>     Here is one example of several that American Time and Signal sells:
>     http://www.atsclock.com/catalog?action=gotoProductDetails&id=274
>     <http://www.atsclock.com/catalog?action=gotoProductDetails&id=274>
>     And here another from Lathem Time: http://www.lathem.com/sona.shtml
>     When I did this, I was able to find a unit on ebay for a reasonable
>     price.
>     Good Luck!
>     Sam
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