[CentOS] Power Fail Protection

Tue Aug 15 03:07:43 UTC 2017
John R Pierce <pierce at hogranch.com>

On 8/14/2017 4:01 PM, Mark LaPierre wrote:
> You didn't say what brand/model of UPS you are using so I can't be
> specific.  Check with the manufacturer of your UPS to see if they have
> an application that can communicate power status with your CPU.  Many
> UPS devices are capable of signaling power loss.  The UPS can give you
> enough warning to initiate a graceful shutdown.
> For example APC brand UPS devices.  Many of them can connect to the CPU
> through either Ethernet, USB, or serial cable so they can send the bad
> news that the power is going down soon.  Check with your UPS
> manufacturer first.

NUT supports virtually *ALL* UPS's without messing with manufacturer 
proprietary software, and its in the EPEL repository, kept up to date.

john r pierce, recycling bits in santa cruz