Homelab Guide

Selected write-ups in English. Every article comes out of a real incident in a running homelab — the symptom, the root cause, and the fix that held. The full archive is in German.

PBS Sync Pull + Let's Encrypt: Why Your Backup Has Been Dead for 3 Months

PBS Sync Pull breaks after every Let’s Encrypt certificate renewal — quietly, without an alert, for months. A systemd path unit on the remote host fixes it for good.

02.06.2026 · 4 min · 668 words · root_cause

Zabbix Agent 2 on Windows: Two Pitfalls That Silence Your UserParameter

You wrote a UserParameter script for Zabbix Agent 2 on Windows, deployed the config, restarted the agent — and nothing happens. No items, no error, just silence. Two causes, neither of them obvious.

24.02.2026 · 4 min · 774 words · root_cause

Self-Hosting Plausible Analytics v3: Four Pitfalls That Cost Me Hours

Self-hosting Plausible v3 with ClickHouse 24.12 sounds like an hour of work. Four non-obvious problems are waiting: ClickHouse breaking changes, how Docker Compose actually treats env_file, the WebSocket requirement of Phoenix LiveView, and an nginx trap.

23.02.2026 · 4 min · 727 words · root_cause