1.每台节点安装docker

centos7源下，docker1.12yum install -y docker

2.主节点安装kubectl

安装最新kubectl，多试几次curl -LO $(curl -s

chmod +x ./kubectl

mv ./kubectl /usr/local/bin/kubectl

3.每个节点安装kubelet kubeadm

cat < /etc/yum.repos.d/kubernetes.repo[kubernetes]name=Kubernetesbaseurl=enabled=1gpgcheck=1repo_gpgcheck=1gpgkey=

https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg

EOF

setenforce 0yum install -y kubelet kubeadmsystemctl enable kubelet && systemctl start kubelet