Articles

When Servers Were Physical: What Virtualization Really Changed

I learned IT when every role needed its own physical server. Then virtualization turned entire machines into files. What it really changed was not performance, and it quietly prepared everything that came next.

CCNA: One Year to Understand What Is Behind "It Just Works"

I failed my first attempt at around 75%, rebuilt my entire study routine, and passed the second one. Here is what one year of CCNA preparation really looks like, with the labs I used.

Exposing a Self-Hosted Service Securely with Cloudflare Tunnel

My first solution worked. It also left my home IP exposed to the entire internet. The story of how I solved the wrong problem first, then found a much better answer with a Cloudflare Tunnel.

How I Built This Blog (and What It Taught Me)

I'm not a web developer. Here's how I still managed to build and ship this site with Astro, GitHub Pages and Cloudflare, and what I learned along the way.