Let’s build a Raspberry Pi cluster with Kubernetes (or actually a Kubernetes implementation) step by step.
Hardware requirements
We need multiple Raspberry Pi. I have chosen for the Raspberry Pi 3B+. This is not the most recent version, but it will do. A Pi needs
- power, so I decided to connect them to a USB power charger containing 6 ports which fits on the cluster,
- an Operating System on a memory SD card,
- a switch connecting them and fits on the cluster,
- and the cluster case which should look like the one from the James Bond movie “Skyfall”. …
Let me tell you a story about resurrecting a former office laptop, a Dell E6400. Everything worked, excepted the WiFi.
I installed Xubuntu 20.04 on the laptop. I prefer Debian based distros and now that Xubuntu also has a dark theme, I couldn’t wait to install it on the laptop.
Everything worked OK, besides the WiFi. I checked the hardware, using the terminal, with the following command
lshwIt showed at the network section that the laptop contains a
Intel WiFi Link 5100
But the WiFi did not work, so I searched on the internet and you could check if the module is up and running with the following command in the…
An old ASUS laptop, model RP072A, deserves a second life. When I try to search on the web this laptop, not many links show up. So really an outdated laptop.
The first time when I wanted to give this laptop a second life, I installed Xubuntu on the laptop. It works smoothly on that machine. Why Xubuntu you might ask? Well I use mostly Xubuntu in VirtualBox when I develop on a Windows machine.
For less technical people `Elementary OS` might be a good option. Both are Debian based by the way, so for me the transition is easy.
Download an ISO of a linux distribution you prefer. On MacOS you can use BalenaEtcher to flash this ISO file to the USB drive to make it a bootable USB drive. On Linux use diskutil or dd. …
In April 2020 I took the exam for becoming AWS Certified Developer — Associate. I passed the exam. To be honest, it took me a lot of time before I felt prepared to take the exam. Specially because not all AWS services are used within my project.
Notes about resources used
The following resources I bought or found and used
- A Cloud Guru: AWS Certified Developer — Associate, videos on Udemy, https://www.udemy.com/course/aws-certified-developer-associate/, overall they were OK. I find it hard to believe you can pass the exam by watching only these videos. But I do recommend the videos when you are a beginner. …
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