#由于kubernetes的镜像源在国外，速度比较慢，这里切换成国内的镜像源#编辑/etc/yum.repos.d/kubernetes.repo,添加下面的配置
kubernetes
name=Kubernetes
baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-e17-x86_64
enabled=1
gpgcheck=0
repo_gpgcheck=0
gpgkey=http://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg
http://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
#安装kubeadm、kubelet和kubect1
root@master \~# yum install --setopt=obsoletes=0 kubeadm-1.17.4-0 kubelet-1.17.4-0 kubectl.1.17.4-0 -y
#配罟kubelet的cgroup
#编辑/etc/sysconfig/kubelet，添加下面的配置
KUBELET_CGROUP_ARGS="--cgroup-driver=systemd"
KUBE_PROXY_MODE="ipvs"
#4 设置kubelet开机自启
root@master \~#systemctl enable kubelet