Tutorial: Creating a Friendica Server with Ubuntu 22.04
Hier ein sehr schönes Tutorial zum Einrichten einer eigenen Friendica Instanz mit Ubuntu 22.04 
Tutorial: Creating a Friendica Server with Ubuntu 22.04
The main Friendica
documentation has install instructions
for setting up the core part of the system. However it assumes that you have properly installed all the dependencies and leaves securing the system as an exercise to the user.