Harddisk Encryption with Geli

This is a tutorial to guide you through the setup of a fully encrypted laptop with FreeBSD, Geli, and a separate boot/key flash drive.

Checksum a DVD

Sometimes you get a DVD that you would like to checksum. For example one to install a new operating system.

Replace a Harddisk

Here, we explain how to move from an old disk to a new one.

Connectivity to HSG

This page explains how to connect to the network of the University of St. Gallen.


Auditing is pretty useful, here is how to turn it on.

Hardening FreeBSD

Some things to remember – unfortunately far from being complete.