Blog

A pre-flight checklist I use before every shared-hosting cutover — DNS, mail, disk, and SSL sequencing.

Practical walkthrough of exim -bp, header tracing, and the four patterns behind 80% of delivery tickets.

Notes on shipping single-binary CLIs for production environments — static builds, cross-compile, and zero-runtime deploys.

The minimum-viable hardening checklist for a fresh Linux server before it faces the public internet.