I write about programming, gamedev, hacking projects, creative code, photography and my thoughts about anything that I like.
Visit crocidb.com → RSS feedOn Hacker News Apr 2025 – Sep 2026
Systems & Performance 3Software Engineering 2Infrastructure & DevOps 1Games & Graphics 1
After a decade on Ubuntu 16.04, I migrated my blog to FreeBSD on Hetzner. Some notes on setting up a VPS with FreeBSD, Jails, Bastille, Caddy reverse proxies, and load testing and benchmarking the blog from four continents.
I spent a whole month researching FreeBSD's kernel's virtual memory system to understand why tools like htop, btop and fastfetch report different information about RAM usage. I ended up submitting patches to all of these projects.
Clarifying the shebang (#!) mechanism: A step-by-step look using strace and kernel code shows how Linux handles script execution directly, revealing the shell isn't involved initially.
A write-up of a full shader debugging session to find out why my Voronoi Diagram shader was stuttering in one specific machine.