Automated Remote Host Shutdown with apcupsd

Home, Bangkok, Thailand, 2020-03-21 18:02 +0700

My control node which was already running apcupsd for monitoring purposes is now configured to automatically power off my NAS, backup server and KVM compute node when the remaining charge in the UPS drops to 10 minutes or less. Here’s how I did it.

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Moving Unifi Controller Data to a New Install

Home, Bangkok, Thailand, 2020-03-19 20:38 +0700

 

I was finding my control node project to be a bit sluggish on the Raspberry Pi 3B+ so I decided to rebuild it on a Raspberry Pi 4B+ but I wanted to retain all the configuration in the Unifi Controller software.

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UniFi AP Side-Table Mount

Home, Bangkok, Thailand, 2020-03-15 10:41 +0700

 

I recently replaced a small mess of WiFi AP devices and config based on my pfSense router with a UniFi Nano HD AP.

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UniFi AP with pfSense VLAN's

Home, Bangkok, Thailand, 2020-03-14 13:26 +0700

 

pfSense and the UniFi suite both support VLAN’s. It turns out to be very easy to configure them to work together with pfSense owning the VLAN definitions and addressing, and UniFi mapping those VLAN’s through to a WiFi AP. Here’s how:

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UniFi Controller on a Raspberry Pi

Home, Bangkok, Thailand, 2020-03-13 19:12 +0700

 

I’ve added some UniFi devices to my network and need the UniFi Controller software to configure and manage them. The logical place to deploy the Controller is on my control node which is a Raspberry Pi. It turns out to be easy to do this - here’s now:

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SSH on Synology with Key Pairs

Home, Bangkok, Thailand, 2020-02-23 09:17 +0700

 

I picked up a Synology NAS a couple of days ago and one of the first things I wanted to do was enable SSH access in order to be able to give my agentless backup system Replikant the ability to back from the NAS.

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Monitoring APC UPS Units with Prometheus on Raspberry Pi

Home, Bangkok, Thailand, 2020-02-20 22:14 +0700

 

I’ve recently implemented Prometheus so I can monitor my new KVM host which replaced my old VMWare ESXi hosts. It occurred to me that maybe I could monitor my APC UPS units (one on my workstation and one on my server stack) also using Prometheus.

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Running KVM on Debian Buster

Home, Bangkok, Thailand, 2020-02-08 11:13 +0700

 
Photo by Markus Spiske

I’ve been wanting to move from ESXi to KVM for a while for a few reasons and finally this weekend I’ve started trialing the migration process.

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Travel Log 2019

Home, Toolamba, Australia, 2019-12-31 09:18 +1000

 

Summary:

  • Countries Visited: 9 - Austria, Thailand, The Maldives, Switzerland, Singapore (seven times), Macau, Croatia, USA (twice), Australia
  • Countries Transited: 5 - Austria, Singapore, Bosnia Herzegovnia, Germany, Taiwan (four times)
  • International flight sectors: 36
  • Domestic flight sectors: 3
  • International train sectors: 0
  • Domestic train sectors: 0

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Silencing Maven in AWS CodeBuild

Home, Bangkok, Thailand, 2019-11-18 19:11 +0700

 

One of the things you will probably want to deal with early on when running Maven builds through CodeBuild (or any other CI tool) is stopping Maven from displaying download progress for dependencies. These log lines provide little to no value and just clog up the log file making it hard to read through.

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