k8s

1. docker环境

2. k8s环境

cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF

yum install -y kubelet-1.17.3 kubeadm-1.17.3 kubectl-1.17.3
systemctl enable kubelet
systemctl start kubelet
systemctl status kubelet【正常情况启动不成功：一直启动中
systemctl enable docker.service

2. master