Welcome to my blog! I'm Damien, a French IT professional based in Wrocław, Poland, passionate about cloud and networking.
Here you'll find my personal projects and articles about Azure, Microsoft 365, networking, DNS and certification prep real, hands-on stuff, including the mistakes I made along the way and how I fixed them.
Curious about my background? Head over to the About page.
Latest Articles
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.
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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.
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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.
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