P S P i s p r e s e n t . kubectl get psp restricted-psp A ppe ndi x A - C o m pl e t e ubunt u cloud-config E x a m pl e cloud-config fi l e t o au t om at e h ar d e n i n g m an u al s t e p s on docker -a ubuntu - sysctl -p /etc/sysctl.d/90-kubelet.conf A ppe ndi x B - C o m pl e t e R K E cluster.yml E x a m pl e B e f or e ap p l y , r e p l ac e rancher_kubernetes_engine_config.services.etcd 0.1" ssh_agent_auth: false {{% /ac c or d i on % }} 35 A ppe ndi x C - C o m pl e t e R K E T e m pl a t e E x a m pl e B e f or e ap p l y , r e p l ac e rancher_kubernetes_engine_config.services