How to turn on and off all CAP interfaces with a certain naming pattern by script
...

How to connect to your home network with a simple, but yet secure VPN setup.
...

How to use HamNet without an antenna (but with VPN) from your whole network
...

How to create a network boot server out of OpenWrt and a Synology NAS which is able to boot (nearly) all system / rescue CDs via the network.
...

How to port a real-time operating system to a new platform in order to get a highly versatile IoT platform
...

How to download and add a self-signed SSL certificate from a server to get rid of warnings
...

How to determine your public IP address via a small script in order to announce it via DynDns from a box within the private network.
...

This article shows hot to extract a list of manually installed packges from Ubuntu
...

This article explains how to upgrade a vServer to newer hardware (by moving it to another hosting plan)
...

This article shows how to get your keys back if you use a GnuPG card to store your GPG keys ...