https://kb.unixservertech.com/ 2026-05-15T15:20:26+00:00 https://kb.unixservertech.com/ https://kb.unixservertech.com/_media/wiki/dokuwiki.svg text/html 2025-04-15T03:10:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/software/nut/freebsdclient?rev=1744686649&do=diff FreeBSD NUT Client Install and enable the upsmon driver from nut # install the full nut package pkg install nut # Tell sysrc to enable upsmon sysrc nut_upsmon_enable="YES" # verify you have a connection to the master upsc ups1@192.168.1.100 Configure two files, both in /usr/local/etc/nut text/html 2025-04-15T04:45:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/software/nut/linuxclient?rev=1744692351&do=diff Devuan (Debian) NUT Client NOTE: this is basically the same as the FreeBSD, with the following changes. I'll work on making it better in a bit. The configuration files are in /etc/nut apt install nut-client service nut-server restart service nut-client restart text/html 2025-07-03T07:45:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/software/nut/master?rev=1751528759&do=diff Setting up NUT server This documents how to set up a nut server. It is for monitoring one or more UPS' and providing the monitoring to one or more devices. This document was written using the following configuration. * Cyberpower PR1000LCDRT2U UPS with an RMCARD205 installed, giving text/html 2025-04-15T04:41:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/software/nut/opnsenseclient?rev=1744692061&do=diff opnSense NUT Client There is some pretty good documentation at <https://docs.opnsense.org/manual/how-tos/nut.html>, though a few things caught me. I'm writing this up as a short recipe; see that documentation for the real way to do things. Recipe * Install the NUT client by going to System | Firmware and installing os-nut text/html 2025-04-23T07:50:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/software/nut/pifreebsdserver?rev=1745394642&do=diff FreeBSD NUT Server on Raspberry Pi Discussion I originally planned my Pi to use Raspian as the OS, even though I detest SystemD. However, I had a serious bug with NUT v2.8.0 and my CyberPower RMCARD206. I needed to either downgrade to NUT v2.7.4, or upgrade to v2.8.2, or build it myself. text/html 2025-04-20T18:42:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/software/nut/stagedshutdown?rev=1745174573&do=diff Staged NUT client shutdowns Clients can be configured to shut down at different times. As far as I can tell, there is no facility for the NUT server to tell clients to shut down at different times, but each client can be configured separately. Thus, your YouTube player can go down after a minute, your power hungry workstation when the battery is 50% gone, and your router just before the UPS goes into sleep mode. text/html 2025-04-15T04:40:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://kb.unixservertech.com/software/nut/start?rev=1744692026&do=diff NUT (Network UPS Tools) nut is a project that has been around for decades, to allow monitoring of one or more UPS'. nut began monitoring through a serial port, then when USB came along, added that. Now, it can handle network attached UPS' (snmp and ipmi), and many, many more.