UPS

Complete network shutdown – wtf?

This afternoon, I was running an Ansible script to update the snmpd configuration settings on nagios03 (which replaced nagios02 – which was intentionally destroyed earlier today). After the script completed, I could not access the ngaios3 website, nor could I ssh into the host. My first thoughts: I must have messed up the ssh configuration,

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Eaton 5PX UPS – clear the ‘Replace Battery’ warning

Three weeks ago, I wrote about Replacing batteries Eaton 5PX – 5PX2200RT & 5PXEBM48RT. Back then, I did not properly replace the front panel before connecting the battery… See also Eaton 5PX console booting screen shots for the followup work. Fixing this requires disconnecting the battery from the UPS. I’m not sure if I can

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Replacing batteries Eaton 5PX – 5PX2200RT & 5PXEBM48RT

NOTE: the images in this blog post were broken. As of 2024-12-01 1600 UTC, they are fixed. Sorry about that. Two useful links for future me: https://caniuse.com/?search=HEIC https://urlscan.io/result/31b29ced-bf41-415c-994e-df6ec532cb29/ The time arrived this morning. The batteries were charged up. I had most of the day to myself. It was time to replace the batteries. Elapsed time

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Optimizing UPS power use when the power goes out

This post is mostly for myself. I’m just putting my Sunday morning thoughts down for later review and consideration. When Selecting replacements batteries for my Eaton 5PX UPS (5PX2200RT & 5PXEBM48RT), I began to think about: when the power goes off, why can’t I keep using my laptop? Usually, I still have an Internet connection:

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Selecting replacements batteries for my Eaton 5PX UPS (5PX2200RT & 5PXEBM48RT)

Both nut and Nagios are telling me: replace my batteries. Fair enough. The UPS (5PX2200RT) and the external battery pack (5PXEBM48RT) were installed and configured with nut four years and two months ago. It’s time. Usually, I buy compatible third party batteries. Looking at video and images, I’m seeing these units use batteries in a

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