The CLI API for docker compose has changed recently. It used to be a single-word command with the two words separated by a hyphen. Since docker compose became available as a docker plugin, you could also run it by calling the docker command followed by the word compose. You might run into issues if you […]
How To Make Your Own Zigbee Hub
The Zigbee standard Zigbee is a low-power wireless mesh network standard targeted at battery-powered devices in wireless control and monitoring applications. Zigbee delivers low-latency communication. Zigbee chips are typically integrated with radios and with microcontrollers. Wikipedia I first learned about Zigbee when I decided to make my apartment in Zagreb smart. After an initial consultation with a professional […]
An Overview Of The Architecture Of My Engineering Blog
In this post I will introduce the architecture of the Engineering blog. As most of you will notice, the blog is powered by WordPress. It’s an on-premise solution that is currently served from two Raspberry Pi 4B computers. The system is exposed to the public internet through a tunnel to a lightweight VPS hosted in […]
Wireguard: A simple, powerful VPN for my Raspberry Pis
This post talks about Virtual Private Networks. It is a common feature of cloud networking. I currently use Wireguard. It serves to connect all my Raspberry Pi machines together and with my public entry point in the cloud. In addition, I have machines scattered across multiple locations. This way I can connect securely to those […]
I made a simple, cheap NVR with BASH and FFMPEG
Introduction I started studying IP cameras and surveillance as a survival skill a few years ago. My family has some nice homes that we want to protect. The houses are far apart from each other. I also wanted to see the different environments and climates so that I could get that feeling of being there. […]
My Five Home Automation Improvements By Value
I began looking into home automation about a year and a half ago. I was going to do some upgrades to my apartment. Naturally, it seemed like a good time to make it a little smarter. Here are the things I installed then which I still use today. 1. Smart Lighting With Zigbee Fine control […]
How To Boot Ubuntu Server on the Raspberry Pi
Introduction In the previous post we kicked off this series as a DIY home data center project. This second post deals with installing an Operating System on the two Raspberry Pi. If we take a look at our shopping list from Part 1, we see two USB hard disk drives listed. I will attach each […]
How To Make Your Own Raspberry Pi Data Center
Introduction This is the first part of series that describes how to set up your home data center using Raspberry Pi. In this post I will cover the list of equipment and software we will need. In addition, I will estimate the total fixed and monthly cost of the project. Finally, I will outline the […]