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…
On Digital Sovereignty, De-Americanizing My Software Stack, and Running WhatsApp in a Sandbox
Why This Experiment Exists Lately, I have been revisiting an idea that has been on my mind for many years: how to gradually move away from US-centric software products. By…
How I Back Up My Mom’s PC Over VPN — Without the Cloud (or Headaches)
Let’s be honest: keeping family members’ devices backed up is something many of us in tech mean to do — but often don’t. Between the complexity of cloud solutions, the…