NAT "Traversal" Using Wireguard

If you've ever tried to host stuff at your home that should be reachable from the internet, you might have stumbled upon the hurdle of dynamic IPs, NAT or having a useless plastic router. In this post I'll show how to set up a cloud jumphost to eliminate the need for DynDNS and/or port forwardings....

How to securely set up an encrypted Debian server (IMHO)

In this post I describe what I do to securely set up dedicated servers, from zero to serving stuff. Additionally I'll try to describe basic security measures that I think are a good base for a secure deployment....

Setting up Mastodon for development

In this post, I will show how I set up Mastodon locally for development using Docker to run the required services....

Turning a PC on and off using an ESP8266

In this post I'll report about my project of controlling the power and reset buttons (and LED) of my pc by using an ESP8266....

Setting up an encrypted MQTT server on Debian/Ubuntu using mosquitto.

In this tutorial I will show how to install a MQTT server (mosquitto) on Debian/Ubuntu based systems with authentication and TLS using Let's Encrypt....

Building Apps for ODROID-GO using ESP-IDF

In this post I describe the progress I've made (and potential pitfalls I've encountered) developing apps for the Odroid-Go using ESP-IDF or the Arduino IDE....

How to monitor dedicated servers (IMHO)

I have been playing with monitoring applications and servers for a while now and especially like Prometheus and Grafana. In this post I'll try to show how I monitor a small group of dedicated servers....