Category Archives: Geek

“We’ve arranged a civilization in which most crucial elements profoundly depend on science and technology.” –Carl Sagan

Prometheus node exporter on Raspberry Pi – How to install – Linuxhit

Old write-up, but it worked AOK for me just now on Pi4B.

Node exporter is a great way to monitor your Raspberry Pi with Prometheus. Follow these steps to get node exporter running on your Raspberry Pi.

Source: Prometheus node exporter on Raspberry Pi – How to install – Linuxhit

Before I forget how to add devices to Prometheus…

user@docker:~$ sudo nano /etc/prometheus/prometheus.yml
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Take Note

I am on my end of summer vacation and working through some psychic backlog items. Don’t get me started on Wireguard VPN. Grumble, grumble. But I am kind of relieved to have spent the morning screwing around with note applications again.… Read the rest

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Outbound VPN on the pfSense Router

Privacy is increasingly a priority in my design decisions when it comes to what I what I am implementing in my home network. I am loathe to describe it as a “homelab“, as this is about as front-line production as it gets.… Read the rest

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Further Adventures with Music on Raspberry Pi

I have a Raspberry Pi 3B (not the Plus version) with a HiFiBerry Digi+ DAC HAT attached. This is connected to my old school Sony receiver via TOSLINK fiber. I also have a 10.1″ touchscreen attached. The goal of all of this was to build a digital jukebox to play my music collection through.… Read the rest

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One Note To Rule Them All (not the one you think)

Looking back at my web search history, I have been on a quest for several months now to find a note-taking application that checks a couple of very specific boxes and that I can use for documenting my home network (aka home lab) setup.… Read the rest

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Finally upgrading my Raspberry Pi 3B+ from SD-Card to SSD

I have one last Pi still running on SD-Card and know it is only a matter of time before it the card gives up the ghost. This is my basement Pi, which has done service as an IR camera with Open CV, and still does duty as a Python development kick-around, and, more importantly, is my current air quality sensor for the basement.… Read the rest

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Enable Timestamp in History Command in Linux

This is something that I have often thought would be very handy to have, but was never arsed to go looking to see if it was possible. Well, I was arsed today.

You can easily see which commands you ran in the past.

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Configuring VLANs on Proxmox- An Introductory Guide

Much easier to implement than I was expecting.
I am moving what will be my initial Mastodon server off of my main (Trusted) vlan to the IoT vlan. I need to investigate the best way to implement Proxmox in general. Should I create a Server vlan?… Read the rest

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Air quality measurement sensor with ESPhome

The original guide shows the build using the ESP8266 board. While there is nothing wrong with this build, the ESP8266 does not have built-in Bluetooth support, which is all the rage these days.

Source: Air quality measurement sensor with ESPhome

I have a working ESP32 prototype on my desk.… Read the rest

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What I Did on My Mid-Summer Vacation: Day 5

Forecast for the day is a heat advisory. If we haven’t already been under one, having one today was really bad news. I took advantage of not being able to work out in the yard to get caught up on the checking account and paying the couple of bills that were sitting on my desk.… Read the rest

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