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, […]
Complete network shutdown – wtf? Read More »
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:
Optimizing UPS power use when the power goes out Read More »
Today I tested the shutdown but was mostly concerned by the startup. I wanted the hosts to start in a specific order. I lived tweeted it and that thread is the basis for this post. The UPS has three groups of outlets: primary group, group 1, group 2. Each group has a On Delay setting.
nut – testing shutdown and startup Read More »
Following on from my recent nut setup, this is the second in a series of three posts. The next post will deal with adjusting startup and shutdown times to be sure everything proceeds as required. I want to test the host shutdown mechanism without: unplugging the UPS from the mains powering off the UPS without
nut – testing the shutdown mechanism Read More »
It is time to replace my existing UPS with another one. I’m getting only 3 minutes of runtime with the existing batteries (and new batteries, after recalibration). It was suggested I buy an Eaton 5PX. I wasn’t convinced. This is the first of three articles about nut. The second is about testing the shutdown. The
Monitoring your UPS using nut on FreeBSD Read More »