Update Server:
apt update && apt upgrade -y
Installing Checkmk:
wget https://download.checkmk.com/checkmk/...
sudo apt install -y ./check-mk-raw-2.0.0p18_0.focal_amd64.deb
sudo omd
Adjusting Firewall:
sudo ufw allow Apache
Creating a Checkmk Monitoring Site:
sudo omd create monitoring
sudo omd start monitoring