配置k8s源
cat > /etc/yum.repos.d/kubernetes.repo << EOF [kubernetes] name=Kubernetes baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64 enabled=1 gpgcheck=0 repo_gpgcheck=0 gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg EOF
安装kubelet、kubeadm、kubectl
#安装1.20.1(安装最新版本1.20.1,不安装最新1.24.x,因为各云服务商目前最高支持才1.22.X)yum install -y kubelet-1.20.1 kubeadm-1.20.1 kubectl-1.20.1 #安装1.24.1 yum install -y kubelet-1.24.1 kubeadm-1.24.1 kubectl-1.24.1 systemctl enable kubelet #开机启动 systemctl start kubelet #启动,暂不执行,此时还没生成配置文件启动不了,init和join后会初始生成并启动 systemctl status kubelet #查看状态