Automating Let's Encrypt for Internal Hosts with DNS-01 and SSH Push
How I replaced a dozen ad hoc certbot setups with one central acme.sh instance. It uses DNS-01 validation through Cloudflare and pushes each certificate to its host over SSH.
Homelab
Homelab Monitoring with Grafana, Loki, Prometheus and Alloy
How I centralised logs and metrics for my homelab with Grafana, Loki, Prometheus and Grafana Alloy, and what I learned about push-based collection, alerting and code-generated dashboards.
An ESPHome LED Matrix Display: From Wiring Plan to PCB
Designing a Home Assistant connected LED matrix display using a LilyGo T7-S3, a P5 64×32 HUB75 panel and ESPHome, and the lessons from planning its wiring, power and eventual PCB.
Self-Hosted Email: Running My Own Mail Server Again
How I moved my domain’s email from a hosted provider to a self-hosted Postfix and Dovecot server in my home lab, the design choices behind it, and what I learned along the way.
Self-Hosted Matomo Behind a Reverse Proxy
How I self-host Matomo analytics for a static Hugo site. Matomo stays on an internal server, and a DMZ reverse proxy carries the tracking traffic, with the real visitor IP and GeoLite2 geolocation preserved.