[Nut-upsuser] Best practice to shutdown hosts which has not NUT via upssched

[Stuart Gathman]

On 07/13/2016 10:02 AM, Stuart Gathman wrote:
> On 07/13/2016 04:17 AM, Dmitri Stepanov wrote:
>>    I need to shutdown a number of hosts which has not NUT from one which has it.
> Let's make sure you are not missing an obvious point.  By "has not NUT",
> you might mean not running upsd.  The best practice is to run upsmon on
> the other hosts.  This does not require running NUT proper (server).  Is
> there some reason why you can't run upsmon on the other hosts? 
> Typically, upsd and drivers are packaged as something like "nut-server",
> whereas upsmon is packaged as "nut-client".
If you truly can't run upsmon, then you can speak the upsd protocol
directly over tcp.  For an example non-nut implementation, look at the
"check_ups" plugin for nagios.  It queries a NUT server for basic
information, including whether it is on battery.