Certified Kubernetes Administrator (CKA) learning note
Install Install docker.io 1 apt install docker.io If you install docker with other cgroup driver, you have to make sure that docker and Kubernetes will use same cgroup driver.
1 2 3 4 5 cat << EOF >> /etc/docker/daemon.json { "exec-opts": ["native.cgroupdriver=systemd"] } EOF install apt key and source to system 1 2 3 4 5 [email protected]:~# curl -s https://packages.