Architecture

// 31.10.2026 // Architecture

940 Mbps in the Speedtest, 85 Million Dead Packets in the Cable: How a Network Decays Unnoticed

When construction crews dig through the soil and the ISP stone-walls: How TR-064 telemetry exposes real line health and forces regulatory action via the Federal Network Agency.

#DOCSIS #Broadband #Networking

~ 9 MIN Read article →

// 28.09.2026 // Architecture

A Resume Without Being Held Hostage

LinkedIn is annoying, yet remains parked in the management VLAN for lack of alternatives. Vutuv offers an open-source approach featuring ActivityPub and open exports. But is a technically superior profile model enough against the market power of the B2B top dog?

#Vutuv #LinkedIn #ActivityPub

~ 9 MIN Read article →

// 19.09.2026 // Architecture

W Social & The AT Protocol: When European Ambition Fails at Onboarding

A European, privacy-oriented social network powered by the AT Protocol is a phenomenal idea. When you verify government ID cards in advance and then strand the onboarding in support with QR codes from a print campaign, it becomes a masterclass in interfaces, processes, and trust.

#AT Protocol #Bluesky #PDS

~ 12 MIN Read article →

// 14.09.2026 // Architecture

From Ansible Stack to NixOS: Rebuilding My Edge Hosting Declaratively

My edge hosting ran on Debian, Ansible, OpenResty, and HTTP/3 completely unremarkably. Why I migrated the production server to NixOS 26.05 anyway — and where the difference between orchestration and true declaration lies.

#NixOS #Hosting #OpenResty

~ 5 MIN Read article →

// 12.08.2026 // Architecture

Network Troubleshooting on Linux: When the First Finding Misleads

Tools like tcpdump or dig don't lie — they just often answer a different question than you asked. Why you shouldn't blindly trust the first finding when troubleshooting networks on Linux.

#Linux #Kernel #Network

~ 6 MIN Read article →

// 06.04.2026 // Architecture

PowerDNS Hidden Primary: How DNS Runs in My Homelab

I run my own DNS, without external dependencies. A look at my production architecture: hidden primary in the homelab, two external slaves, and WireGuard as the transfer path.

#PowerDNS #Ubuntu 24.04 #SQLite

~ 6 MIN Read article →