UPS Handling with NUT

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Proven on:
Logo Debian.png
11 (bullseye)


As always...

Start with:

  • sudo apt update
  • sudo apt upgrade

Network UPS Tools

Install NUT

  • sudo apt install nut

Configure NUT

Select your mode

MODE options:
none

Disable automatic startup of NUT

standalone This MODE is for local only configuration
netserver This MODE is open to the network. (A NUT server)
netclient This MODE is for client machines that will access a NUT server

See the nut.conf documentation for more details.

Set up communications

(needed if you've set up as MODE = netserver...)

You can determine your servers IP address using:

  • ip a
  • sudo vi /etc/nut/upsd.conf
LISTEN 192.168.0.7
LISTEN 127.0.0.1 3493
LISTEN ::1 3493

Where 192.168.0.7 should be replaced with the actual IP of the machine.

See the upsd.conf documentation for more details.

Set up access

  • sudo vi /etc/nut/upsd.users
[upsmon]
    password = supersecretpassword
    upsmon master

See the upsd.users documentation for more details.

  • sudo vi /etc/nut/upsmon.conf
MONITOR cyberpower@192.168.0.7 1 monuser supersecretpassword master

See the upsmon.conf documentation for more details.

Managing NUT

The usual:

  • sudo service nut-server [start|stop|restart|status]

Client commands:

further Usage Concepts

NUT gives lots of options.

Things like:

  • Cleanly shutting down all of the VMs on a server & the server itself too.
  • Sending notifications about power issues.
  • Managing redundant UPSs on your system.
  • etc...