Here's a collection of technical guides and writeups I've done.
Virtualisation
Darwin (macOS) on FreeBSD's Bhyve
An ongoing experiment to see if running Apple's OS X is possible under the BSD Hypervisor, bhyve.
Security
Breaking out of a FreeBSD Jail
Recently I read someone theorising about breaking out of a FreeBSD jail using setuid, so I decided to give it a try. It does in fact work.