[K12OSN] OT: Shutdown Linux from Windows?

[Paul VanGundy]

Huck,

Check the BIOS. Some systems come with "Turn On" times now.

-Paul


Huck wrote:
> Kind of curious how you'll restart the remote linux machine after you
> shut it down remotely...user intervention?
>
> --Huck
>
> Doug Simpson wrote:
>> Here is a possibility. . .
>>
>> Ping the winders box (the one from which you want to shut down the
>> linux server) and outputs to a file.
>>
>> example:
>> [server]$ ping -i 5 servername >> /pingreturns
>> This pings the server every 5 seconds. Change the number to whatever
>> resolution you want.
>> Run this fron a cron job at a time a bit after you expect the winders
>> computer to be online, say half an hour after. (or you could put it
>> in the rc.local so it will run when the server is started, just make
>> sure the winders one is up enough to reply to ping requests or the
>> linux will go back down again.)
>> Run a second cron job that runs every minute (or whatever resolution
>> you prefer) that
>> greps this outut file for a string stating that the pinged hosts is
>> unreachable:
>>
>> grep reply /pingreturns and if it finds "reply from" then exit.
>>
>> If it finds "unreachable" branch and delete the /pingreturns file
>> and then run "shutdown -h now".
>>
>> The grep line is the one I will need help with the syntax and it may
>> actually have to be done in a script that would run in the cron job.
>>
>> What this will do is ping the winders computer. If it returns, all is
>> well. If it is unreachable, delete the /pingreturn file (so it won't
>> try to use it tomorrow and find "unreachable" in there and shut right
>> back down again) and then shutdown the linux computer with:
>> shutdown -h now
>> in the script.
>>
>> Assuming this is a daily thing, you will only need to shutdown the
>> winders one and the linux will soon follow it based on your
>> resolution as mentioned above.
>>
>> I will try to play with the grep thing later and see if I can come up
>> with a workable solution for you.
>>
>> Hope this is what you were looking for.
>>
>> Doug
>>
>>
>>
>>
>>
>> Onatawahtaw wrote:
>>
>>> Greetings,
>>>
>>> Currently I can shut down all my windows computers
>>> using psshutdown.exe (and a batch program). Is there
>>> any way I can shut down linux computers from within
>>> windows?
>>> If not, how can I shutdown remote linux computers from
>>> within linux? All the linux computers use the same
>>> root password so I would like to just put them in a
>>> shell script.
>>>
>>> Thanks,
>>>
>>> -Kevin
>>>
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>
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-- 
Paul VanGundy
Director of Technology
Epping School District
P: 603.679.8003 x105
F: 603.679.2196
vangundypw at sau14.k12.nh.us