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k8s-install

  • Kubectl: commndline tool
  • kubelet
  • Kubeam: help set up a cluster

Control Plane Components

Master control-plane node: the machine where the control plane components run, including etcd (the cluster database) and the API Server (which the kubectl command line tool communicates with).

  • Kube-apiserver: The API server is the front end for the Kubernetes control plane.

The main implementation of a Kubernetes API server is kube-apiserver.

  • kube-scheduler

  • kube-controller-manager

  • etcd

  • Coredns

Node components: Node components run on every node, maintaining running pods and providing the Kubernetes runtime environment.

  • Kubelet: control containers in a pod.
  • Kube-proxy: control service, network
  • container runtime

安装步骤参考：

https://www.hyhblog.cn/2021/02/17/deployment-manual-k8s-for-newbee/

https://blog.csdn.net/ACE_GJH/article/details/116173822

单机需要特别允许 master 节点也可以调度 node

kubectl taint nodes --all node-role.kubernetes.io/master-