DevOps

The Ansible Tour, Part 1: One Repository, Three Servers – How the Code Is Organised and What Happens During a Run

Illustration for the Ansible Tour series

The Ansible Tour, Part 1: One Repository, Three Servers – How the Code Is Organised and What Happens During a Run

raphael 14. October 2026

Part 1 of a tour through my Ansible code: how one repository and 34 roles run a...

Bare Metal to K3s: A Nextcloud Migration Battle Log

Illustration of a Nextcloud migration from bare metal to K3s

Bare Metal to K3s: A Nextcloud Migration Battle Log

raphael 21. September 2026

Today I moved a production Nextcloud from a cozy native bare-metal install to a shiny K3s/container stack....

My 5-Year IT Learning Roadmap — From Sysadmin to Infrastructure Engineer

Illustration of a five-year IT learning roadmap

My 5-Year IT Learning Roadmap — From Sysadmin to Infrastructure Engineer

raphael 27. August 2026

Linux. Windows. Networking. Security. Observability. Automation. Cloud. Kubernetes. AI. But above all: 🧠 Learn to understand systems...

Measure First, Optimize Second: Chasing a 1.5 MB Page (and Why the Database Was Innocent)

Illustration of optimizing the page weight of a WordPress blog

Measure First, Optimize Second: Chasing a 1.5 MB Page (and Why the Database Was Innocent)

raphael 29. July 2026

My blog felt heavy. The homepage weighed in around 1.5 MB and my first instinct was the...

Homelab Rebuild 2026 — GitLab, a Seed VM, and the Calm Before the Kubernetes Storm

Illustration of the homelab rebuild with GitLab and a seed VM

Homelab Rebuild 2026 — GitLab, a Seed VM, and the Calm Before the Kubernetes Storm

raphael 23. July 2026

😌 Fair warning: this installment is the calm before the storm. GitLab and the Seed VM turned...

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