Notes from the Terminal

By Jani Karlsson

Freetime writing about DevOps, self-hosting, server security, the IT industry, and whatever else catches my attention. 20+ years in Linux and infrastructure, currently working as a Managing Delivery/Solution Architect.

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[email protected] — zsh — 80×24

jani@raatti:~ $ whoami

jani

jani@raatti:~ $ cat tagline.txt

A DevOps Architect writing about IT, travel, and the outdoors he rarely sees

jani@raatti:~ $ ls blog/

simplicity-is-a-feature-migrating-to-cloudflare-tunnel-on-red-hat-linux.md from-bandwidth-mystery-to-hardened-origin-a-day-of-server-security.md how-to-build-a-secure-ubuntu-web-server-on-hetzner-cloud-the-right-way.md

❯ recent posts blog/ about/ projects/

jani@raatti:~ $

$ ls -la ~/blog/ --sort=date

2026-03-22 | Simplicity is a Feature: Migrating to Cloudflare Tunnel on Red Hat Linux

2026-03-20 | From Bandwidth Mystery to Hardened Origin: A Day of Server Security

2026-03-19 | How to Build a Secure Ubuntu Web Server on Hetzner Cloud (The Right Way)