Articles

Moving beyond “setenforce 0” - a practical guide to understanding, troubleshooting, and working with SELinux on Fedora and Red Hat Enterprise Linux.

Podman 5.8 lands with multi-file Quadlet installs, automatic BoltDB-to-SQLite migration in preparation for Podman 6.0, and several quality-of-life improvements for container workflows.

How I added a Mastodon-based comment system to this Pelican blog - no databases, no third-party services, just the Fediverse’s public API and a bit of JavaScript.

How I obtained my own AS number and IPv6 prefix, set up a FreeBSD BGP router with FRR, and built a tunnel overlay to bring globally routable addresses to servers that already have provider-assigned IPv6 - using dual-FIB policy routing to make both coexist.

A comprehensive guide to configuring PF on FreeBSD, covering core concepts, practical configurations for jails and dual-stack networking, and advanced techniques including brute-force protection and bastion host setups with authpf.