Replacing Cron Jobs with Jenkins for Nextcloud Backups 🚀
Today I spent some time exploring Jenkins in my homelab environment. For those who somehow managed to avoid Jenkins during the last decade: Jenkins is one of the most widely…
One Year Later: I Finally Open-Sourced My Homelab K3s Stack
In a few of my recent posts I mentioned that I was trying to figure out how to publish my homelab automation code *without accidentally open-sourcing my entire infrastructure along…
git log –since=”1 year ago”: One Year of apt-upgrade.me && Publishing the Ansible Playbooks for Nextcloud on K3s
There comes a point in every homelab journey where you look at your pile of bash scripts, hand-crafted config files, and sticky notes that say things like “remember to chown…
✅ Mission Accomplished: Migrated my Blog to a Hybrid K3s Setup!
Alright — today was an absolute banger of a day! 🔥 What I Got Done After grinding through the last few evenings on the PC, I finally pulled it off:…
Battery Forensics on Debian: Inspecting Your Power Stats with upower
So I’m currently selling an older Lenovo ThinkPad on eBay — and, unsurprisingly, one question keeps popping up in my inbox: “What’s the remaining battery capacity?” Now, instead of guessing,…
Pi-hole: My Nerdy Little Guardian of the Internet
I’m still a big fan of the Pi-hole project. In my setup, Pi-hole runs 24/7 and basically acts as my personal DNS server. That means it handles all domain name…
Symmetric vs. Asymmetric Encryption – A Nerd’s Practical Guide (with GnuPG, Certificates & Signatures)
🌐 Cryptography in Practice If you use the internet, you are constantly interacting with cryptographic systems—TLS handshakes, package signatures, SSH keys—whether you notice it or not. 💡 Cryptography is not…
WordPress on K3s — A Nerdy, Layered Update Strategy
This article is a direct continuation of the previous guide. If you haven’t read it yet, start here: Initial Setup: WordPress on K3s (Ansible-managed). This guide describes a clean, deterministic…
From Debian to AlmaLinux to K3s: Or How I Accidentally Built a Mini Cloud 🚀
If you’ve stumbled across my previous post “Operating Community Nextcloud Instances with Ansible, AlmaLinux, SELinux and a Podman-based Collabora Stack” , you already know this started as a totally reasonable…
CKAD Reality Check: Yes, You Can (and Should) Use the Kubernetes Docs Like a Weapon
I’m currently considering taking the CKAD (Certified Kubernetes Application Developer) exam from the Linux Foundation. The main reason is simple: I want to seriously strengthen my Kubernetes skills and move…