send command via lan to pi?

[slapshot136]

I have a computer (server 2012) on a UPS and would like to send a command to shut down a raspberry pi that is also connected to the UPS when the battery level gets low - I normally connect to the pi via putty, but I don't know how to set up putty to "run" without user input, how can I do this or what alternatives are there?

[ghans]

Normal CLI SSH Clients allow to execute a single command specified as argument.
Write a Microsoft Batch file and refer to PuTTY's docs. Would be a shame if such a feature
isn't there.


ghans

[pjc123]

Putty allows you to perform "ssh.exe like" commands through the use of either the putty.exe or plink.exe commands that are included with putty.

Here are some examples:

http://irfanworld.wordpress.com/2012/11 ... echniques/

[SN]

or super quick and dirty - create a cgi script on the pi which as part of responding to the request issues the halt or shutdown and then have your 'controlling machine' just call the webpage url on the pi - you need to work out the permissions though to allow the www user on the pi issue a sudo ...