https://computingforgeeks.com/deploy-kubernetes-cluster-on-ubuntu-with-kubeadm/ Install Kubernetes Cluster on Ubuntu 20.04 with kubeadm | ComputingForGeeks Kubernetes is a tool for orchestrating and managing containerized applications at scale on on-premise server or across hybrid cloud environments. Kubeadm is a computingforgeeks.com 워커 노드 추가 마스터 노드/워커 노드에 host추가 >> sudo vi /etc/hosts # example..