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vi /etc/fstab
reboot
kubeadm init
sudo kubeadm init
kubectl version
kubectl get nodes
su -pumpkin
su - pumpkin
kubectl get nodes
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
kubectl get nodes
echo “source <(kubectl completion bash)” >> ~/.zshrc

kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml

kubectl get pod -o wide
kubectl delete pod avi

kubectl delete pods --all

关机过程

  1. node节点

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    systemctl stop kube-proxy
    systemctl stop kubelet

  2. master

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    systemctl stop kube-scheduler
    systemctl stop kube-controller-manager
    systemctl stop kube-apiserver.service

  3. 关闭 node节点的flanneld 服务

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    systemctl stop flanneld

  4. 全部节点关闭etcd

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    systemctl stop etcd
    systemctl stop docker

  5. 全部关机

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    init 0

开机过程

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systemctl start etcd  三节点
systemctl start flanneld （node 节点）
systemctl start kube-apiserver.service  (默认设置了开机启动， master 节点)
systemctl start kube-scheduler （默认设置了开机启动， master 节点）
systemctl start kube-controller-manager （默认设置了开机启动， master 节点）
systemctl start kubelet（node 节点）
systemctl stop kube-proxy（node 节点）

k8s卸载

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sudo kubeadm reset -f
sudo rm -rvf $HOME/.kube
sudo rm -rvf ~/.kube/
sudo rm -rvf /etc/kubernetes
sudo rm -rvf /etc/systemd/system/kubelet.service.d
sudo rm -rvf /usr/bin/kube*
sudo rm -rvf /etc/cni
sudo rm -rvf /opt/cni
sudo rm -rvf /var/lib/etcd
sudo apt-get remove kube*