Debian 13 Upgrade Adventure – With a Little Help from ChatGPT 🐧🤖
So today I did something both brilliant and borderline reckless: I asked ChatGPT to whip up a Bash script that upgrades a Debian 12 system to the fresh new Debian…
HP Service Pack Adventures – Booting Firmware Updates the Nerdy Way
So, today I had the great joy (and mild panic) of updating my HP servers with the HP Service Pack. Okay, okay… technically it’s not the first time ever. I’ve…
Upgrading Proxmox Like a Boss (a.k.a. “Don’t Panic”)
So, Debian 13 dropped last weekend, and of course I couldn’t resist the urge to update my Proxmox server. Since Proxmox is basically Debian wearing a fancy virtualization cape, it…
The Day I Pimped My Router – Or: How I Almost Brickrolled My Whole Network
So today I swapped out my trusty old router – a Fritzbox 7590 AX – and replaced it with the slightly shinier, ever-so-slightly sexier Fritzbox 7690. Yes, yes, I know……
Me and My Rack – A Nerdy Love Story
Yesterday, I spent some hours again with my lovely rack. No, not my ribs. My server rack! 😅 What I did I changed some very long LAN cables to shorter…
A Geeky Discovery at the Legendary Linux Hotel
A few years back, while attending an ultra-nerdy IT training at the one and only Linux-Hotel in Essen (yes, that magical place that smells like old servers and fresh coffee),…
🚀 Bulk-Import Users into Nextcloud via CSV + Group Assignment (Shell Edition)
So, you’re running a Nextcloud instance and want to batch-create users like a proper sysadmin? Here’s a pure shell-based solution to create users from a CSV file, assign them to…
🧼 Cleaning Up Filenames on Linux with detox – The Tiny Tool That Saved My Backups
😤 When a Backup Fails… Because of a Filename Recently, one of my automated backups on Linux unexpectedly crashed mid-run. No fancy error message, no graceful fallback — just a…
🔐 Apache under AppArmor: A Clean Static Profile Setup on Debian 12
⚠️ Heads-up, fellow human (or bot): This post is currently outdated and due for a proper rewrite. Some parts may no longer be accurate, complete, or aligned with the latest…
🚀 Moving a Grown-Up Nextcloud Instance to a Fresh Server (with Bash & Ansible)
(This article is the logical follow-up to the backup script described here: Nextcloud Backup Like a Pro – Automated with Bash. Both posts go hand in hand to complete the…