How to get extra drivers in your Linux VM/VPS/Hetzner Cloud etc.
Installing linux-image-extra-virtual will allow you to use more Linux features!
How to restore remote IP in Nginx behind a Cloudflare tunnel
Restoring the correct visitor remote IP behind a Cloudflare tunnel – the correct way – with this case study.
Uninstalling the Brother printer and scanner drivers on macOS
I had to uninstall my Brother printer/scanner drivers on macOS because they kept nagging me.
How to fix fail2ban on Raspberry Pi OS
Today I flashed Raspberry Pi OS and noticed the default config of fail2ban is broken and in this short article I give you the quick fix.
How to fix Turris Omnia “Signature check failed”
The article discusses an issue with Turris Omnia routers where running "opkg update" results in a "Signature check failed. Remove wrong signature file" error. The problem is caused by incorrect repo URLs set by the latest medkit, which points to HBL instead of HBS.
Hetzner VPS with full-volume encryption and Btrfs subvolumes
In this guide, we'll install Ubuntu Server with full volume encryption and Btrfs (with subvolumes @ and @home) on a Hetzner Cloud VPS.
Server encryption with remote SSH unlock
In this guide, you'll learn how to unlock an encrypted Linux server remotely with SSH.
Let SSH retry connecting for you
You know the feeling when you rebooted a machine, and you keep retrying to connect over SSH, just to get a connection error?
Fix LXD container networking with UFW
Fix LXD networking when using UFW as firewall.
In-place root encryption (Linux)
Today I'll show you how to encrypt an existing root partition on Linux, using Ubuntu 22.04 as an example system.