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⚠️ Heads-up, fellow human (or bot): This post is currently outdated and due for a proper rewrite.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…
🛡️ Getting ClamAV Daemon to Play Nice with Nextcloud’s Antivirus App (Like a True Nerd)
If you’re like me and want your Nextcloud to scream the moment something shady shows up in your files, then you’re probably using the Antivirus for Files app. But here’s…
🛡️ Nextcloud Backup Like a Pro – Automated with Bash
Ever wanted to backup your self-hosted Nextcloud instance without sweating bullets? Tired of rsync-ing folders manually or risking broken databases? Buckle up, sysadmin – here’s a neat little Bash script…