Adventures in IPv6, Firewalls & the “Oops-I-Forgot” Department 🚀
So, a few days ago I thought: “Hey, let’s be cool, ditch Apache, and hop onto the Nginx hype train because… HTTP/3, baby!” 🎉 Fast-forward to today, when I decided…
How I Managed to Wreck My Firewall Appliance With a Debian 13 Upgrade
Yesterday I proudly hit publish on a post about my super smooth upgrade to Debian 13… feeling like a proper Linux wizard. 🧙♂️ A few hours later, reality slapped me…
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…
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),…
🧼 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…
🛡️ 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…
⚡ Firmware Upgrade on My Fronius Inverter — a Nerd’s Delight
Every now and then, even my PV setup needs a little bit of firmware love. Specifically, I’m talking about my Fronius inverter, the hardworking core of my solar power system.…
🛡️ 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…
🚀 Mission: FreeBSD – Or How I Rage-Quit to Debian at Warp Speed
Last night, in a galaxy not that far away (namely, under my desk), I felt a sudden and powerful urge to finally install FreeBSD on my tower PC. This idea…
🛡️🧙♂️ Deploying Nextcloud: My Ansible Quest for Ultimate Automation ⚔️☁️
🤖 So, What Is This “Ansible” Magic? Ansible is basically the spellbook every modern sysadmin dreams of. It’s an open-source automation engine that lets you write playbooks—YAML files describing exactly…