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Created July 27, 2024 02:49
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Configure NUT on macOS
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nut.md

Configure NUT on macOS

Quick overview of installing Network UPS Tools on macOS.

macOS notes

  • Config files are located in their normal Linux-style locations, with the brew --prefix prepended. So e.g., on Apple silicon, nut.conf is located at /opt/homebrew/etc/nut/nut.conf.
  • NUT's Homebrew service should be run as root, to support default shutdown command.
  • While desktop macOS supports "wake after power loss", it doesn't seem to support "wake on power". It treats the graceful shutdown as a normal shutdown, which doesn't result in startup after power restore. Can either accept manual power-on required, or remove graceful shutdown.

Howto

Install

brew install nut

Configure

Configure relevant files, e.g. nut.conf and upsmon.conf for a follower host.

Enable

sudo brew services start nut

Test

Simulate power outage. upsmon should initiate shutdown.

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