Foundations
Entry-level concepts for curious beginners. No prerequisites — just curiosity.
Backups Are Boring Until You Lose Everything — Here's My 5-Tier System
I built a 5-tier backup system for my workstation: project files, AI config, API tools, system config, and evidentiary archives. Here's the architecture.
What Is a Reverse Proxy and Why Does Every Developer Need One?
A reverse proxy sits between the internet and your servers. I use Caddy to route traffic to 5+ services on a single VPS — here's how it works.
What Is GPU Power Management and Why Should You Care?
My RTX 3080 Ti ran at 350W by default. I wrote a systemd service to lock it at 300W — here's exactly how.
You Don't Need the Cloud: Building a Personal AI Lab on a Single Machine
I run 69 AI models locally on a single workstation with zero cloud dependencies. Here's the exact hardware, software, and setup.
What Is the Internet, Really? A Tour of the Cables Under Your Feet
The internet isn't a cloud — it's undersea cables, copper wires, and routers in your neighbor's yard. Here's what actually happens when you load a webpage.