Let’s Encrypt certificates behind a Load Balancer
Let’s Encrypt and Certbot make issuing and renewing TLS certificates easy — until your servers sit behind a...
Checkmk: Get Real-Time Alerts via Telegram
Monitoring is essential for IT teams, but traditional alert methods like email or SMS can be slow, cluttered,...
Connection Error to MQTT broker SSL/TLS
A problem that accompanied me for more than half a year, I spent evenings with error analysis and...
DIY Car Entertainment System
Build your own Entertainment System out of a Raspberry PI3 and a Tablet. We planned our vacations to...