Terminal

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....

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....

How to deploy a single JAR file to Maven (oneliner)

I sometimes stumble upon Java libraries that are not available in Maven (or Gradle which seems to use the same ecosystem). To have to most convenient way of developing (ie. contributors should not have to download dependencies for themselves) I use my own Maven repository for hosting these....

Developing Greenfoot games with Maven/IntelliJ/Eclipse

I found out, how to create a Greenfoot game without having to use the Greenfoot IDE. I'm programming using IntelliJ and building using Maven. It works like a charm and it's a lot more convenient to use this over the Greenfoot IDE....

How to change/remove the Ubuntu Server login banner

If you've ever used a freshly installed Ubuntu Server (since 14.x), you definetly noticed the login banner that shows information scraped from the web. This might be Ubuntu news, updates or some other stuff....

Terminal Notifier

Terminal Notifier is a command-line tool to send notifications from command line on macOS....