So you got an amazing ARM SBC with the RK3399 CPU (NanoPi M4 / RockPro64 / Rock Pi 4B), so much power into such small form factor. Now you are trying Apache or other network intensive tasks and your network seems to crash randomly after a while or whenever it is under load? Learn what the cause of this common and how to fix it.

AppArmor allows you to restrict programs’ capabilities with per-program profiles. Profiles can allow capabilities like network access, raw socket access, and the permission to read, write, or execute files on matching paths. Learn how you can enable it in Armbian for a safer SBC.

Contrary to popular belief the LEDs flashing in your computer/SBC don’t make it run faster. Controlling LEDs on Armbian is very easy, learn how on this quick guide.

Did you manage to get your Sheeveplug bricked? An upgrade went wrong? Is your device completely unresponsive and unusable? This guide covers how you can use openocd and an old version of Sheevaplug’s U-boot in order to unbrick it.

Do you still own a Sheevaplug? Great! Recently I covered how to upgrade U-boot in your Sheevaplug SBC, now it’s time to install the latest version of Debian.