Articles

Mail, photos, VPN, monitoring and backups on a single server: the architectural decisions they share — and what a setup like this really costs, and not in euros.

Johnny Decimal applied to a chaotic Google export: my sorting rules, the naming convention, and three places where I had misread the spec.

Folders or metadata? How I combined Johnny Decimal with Steph Ango's categories system — with a clear dividing line instead of a compromise.

Your own VPN on a VPS with WireGuard and wg-easy — Docker setup, Traefik for the web UI only, and the NAT bug that silently makes the tunnel useless.

A practical guide: Immich on a VPS with Docker and Traefik, Google Takeout import via immich-go, Restic backup to Swiss Backup — including a tested restore.

Kompletter Praxis-Guide: Stalwart Mail Server mit Docker und Traefik aufsetzen, TLS, SPF, DKIM, DMARC und MTA-STS konfigurieren – inklusive der Fehler, die ich dabei gemacht habe.

A running list of the most important lessons from my entrepreneurship studies at Hochschule Bremerhaven — from Belbin and Isaacs through Lean Startup and brand building to my bachelor thesis on Libraries of Things.

Von der ersten Website bis zu modernen Single-Page-Anwendungen – eine Reise durch die Evolution von HTML, SSR, CSR, SPAs und hybriden Rendering-Strategien.

Key takeaways from The Pragmatic Programmer — DRY, orthogonality, broken window theory, testing, the pragmatic starter kit, and taking ownership of your craft.

My bachelor thesis examines the organizational, technical, legal, staffing, and social requirements that civil-society Libraries of Things in Germany place on a nationwide infrastructure — based on ten expert interviews and a qualitative content analysis after Mayring.

Insights from Earth4All Deep-Dive Paper on reforming capital markets, redefining fiduciary duty, and deploying non-extractive financial infrastructure.

Ein Essay über die systematische Entwicklung eines wissenschaftlichen Themas für die Bachelorarbeit mithilfe des Schraubenmodells von Scribbr.

Ways out of the growth trap and the democratic financial system of the future — through alternative financing models and ownership structures.

A critical analysis of the startup economy and its growth traps.

A comprehensive review and key takeaways from Refactoring UI by the creators of Tailwind CSS – focusing on hierarchy, text design, color palettes, and interface depth.

Einführung in die Grundlagen von Spiegelreflexkameras und Tipps für gute Videoaufnahmen mit der XT-3 – fokussiert auf Belichtungsdreieck, Fokusmodi und Einstellungen für Filmaufnahmen.

Wie aus einem adressierbaren LED-Streifen ein audioreaktives Lichtelement wird – die Grundlagen von WS2812B, die Rollenverteilung zwischen WLED und LedFx und die Signalkette vom Ton bis zum Pixel.

Reflections on the foundations of effective altruism, cognitive biases like scope neglect and the availability heuristic, and using the ITN framework to make a meaningful difference.

Key takeaways from Simon Sinek's Leaders Eat Last on how the Circle of Safety builds trust, battles cortisol, and overcomes the dangers of organizational abstraction.

Key takeaways from Marty Cagan's Inspired on how the best tech companies build innovative products – focusing on discovery, delivery, and the art of finding the right product.

How to choose the right rendering strategy to optimize performance and SEO of web applications by comparing SSG, ISR, SSR, and CSR.

Wie Hans Roslings Buch unsere verzerrte Wahrnehmung entlarvt und zu einem faktenbasierten Weltbild verhilft – eine persönliche Auseinandersetzung mit den 10 Instinkten.