Save your servers! NUT on a Raspberry Pi!

NUT, or Network UPS Tools, is an essential bit of software for disaster prep in your homelab or datacenter.

Resources mentioned in this video:

- Network UPS Tools: https://networkupstools.org
- Full install guide: https://www.jeffgeerling.com/blog/2025/nut-on-my-pi-so-my-servers-dont-die
- 3D Printed SBC rack mount I used: https://www.printables.com/model/843677-raspberry-pi-5-rack-mount-right-sided/files
- Ansible playbook for automated NUT setup: https://github.com/geerlingguy/pi-nut
- My nut_client Ansible role: https://github.com/geerlingguy/ansible-role-nut_client

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2nd Channel: https://www.youtube.com/@GeerlingEngineering
3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - Don't rely on luck when it comes to power!
00:37 - What's NUT?
01:51 - NUT server setup guide
05:37 - NUT testing and monitoring
06:45 - NUT client setup guide
09:24 - End-to-end power fail test
13:01 - Success and a pretty severe bug
16:56 - Hardware setup
18:36 - Happy to have NUT on my Pi