Pi-hole: My Nerdy Little Guardian of the Internet
I’m still a big fan of the Pi-hole project. In my setup, Pi-hole runs 24/7 and basically acts as my personal DNS server. That means it handles all domain name…
Symmetric vs. Asymmetric Encryption – A Nerd’s Practical Guide (with GnuPG, Certificates & Signatures)
🌐 Cryptography in Practice If you use the internet, you are constantly interacting with cryptographic systems—TLS handshakes, package signatures, SSH keys—whether you notice it or not. 💡 Cryptography is not…
🎄✨ Lighting Up the First Advent… with an XMAS Scan! ✨🎄
It’s the First Advent, which means the season of warm lights, cinnamon smells, questionable sweaters, and… TCP packets dressed up like Christmas trees. Because while normal people light candles, we…
Signal vs. WhatsApp: The Ultimate Nerd Showdown — Privacy, Big Tech, Metadata, and Why Signal Feels Like Digital Freedom
If you’ve spent more than five minutes in a tech forum, you’ve seen it: The eternal, flaming-hot, caffeine-fueled debate of Signal vs. WhatsApp. At a glance, both apps look similar…