Scuba diving at Marsa Shagra

Published on Sun 17 July 2022

Going on safari in the Red Sea.

Touch typing with GNU Typist

Published on Sun 10 April 2022

Do one thing, and do it well.

Mobile air conditioning sucks

Published on Sat 12 June 2021

Mobile A/C units may seem attractive, but they're incredibly inefficient. A bit of background and tips on staying cool.

Running a Tor relay (Liberation Day special)

Published on Tue 05 May 2020

Today is Liberation Day in the Netherlands. We celebrate the 75th anniversary of the end of Nazi occupation during World War II. A perfect day to write about freedom!

A book review

Published on Thu 05 December 2019

This one might be the greatest of them all!

Networking 101

Published on Sat 26 October 2019

Materials used in my workshop about networking basics.


Published on Fri 11 January 2019

Code for programming a Raspberry Pi 3 Bluetooth chip to send out iBeacon signals, which can be detected by the accompanying Android app.


Published on Sun 06 January 2019

Code for a simple ESP8266 RSSI sensor, API and web app to monitor WiFi signal strength.

Deploying DNSSEC at a web hosting company

Published on Tue 06 November 2018

My bachelor's thesis.