echo "deb https://packages.cisofy.com/community/lynis/deb/ stable main" | sudo tee /etc/apt/sources.list.d/cisofy-lynis.list sudo apt-get update sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 9DE922F1C2FDE6C4 sudo apt-get update sudo apt-get upgrade
sudo lynis audit system
sudo lynis update info