
From Electronics Engineer to FreeBSD 15.1: An MSR Offset Bug on AMD Zen 3
The Discovery: A Bug Hidden in Plain Sight
Hardened systems from silicon to security: Deep dives into FreeBSD, custom routers, and ZFS.
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The Discovery: A Bug Hidden in Plain Sight

How a 2013 Dell cluster at UFPE was saved from a 5-year dormancy and modernized using Rocky Linux 9.7, Warewulf 4, and Slurm 25.11.

How wrong interrupt pin configuration and a missing flag brought a TL16C2550 dual-UART to life on the AT91SAM9G45 — 15 years before the code went public.

How we scaled a wireless broadband empire in Recife and evolved into High-Availability Managed Security using FreeBSD Jails.

How I used a NVIDIA NVS 810, Xinerama, and shell scripting to create a resilient, 8-monitor NOC display that survives any power loss.

From PERC 6/i bottlenecks to ZFS mastery: Scaling a Dell T410 to 21 million inodes on FreeBSD.