K8S安装
1.每个节点安装k8s kubelet kubeadm kubectl,注意与docker版本是否兼容
sudo curl https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | apt-key add -
sudo apt update
查看源中的软件版本
sudo apt-cache madison kubelet
sudo apt install kubelet=1.14.0-00 kubeadm=1.14.0-00 kubectl=1.14.0-00