安装docker

https://xxxx.mirror.aliyuncs.com 替换成自己的阿里云镜像加速地址即可

wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repoyum -y install docker-ce  device-mapper-persistent-data lvm2 yum-utilsmkdir -p /etc/dockertee /etc/docker/daemon.json <<-'EOF'{  "exec-opts": ["native.cgroupdriver=systemd"],   "registry-mirrors": ["https://xxxx.mirror.aliyuncs.com"],   "live-restore": true,  "log-driver":"json-file",  "log-opts": {"max-size":"500m", "max-file":"3"},    "insecure-registries": ["hub.example.com"]}EOF systemctl daemon-reload && systemctl enable docker && systemctl restart docker

安装kubernets组件

cat > /etc/yum.repos.d/kubernetes.repo << EOF[kubernetes]name=Kubernetesbaseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64enabled=1gpgcheck=0repo_gpgcheck=0gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpgEOFyum -y install   kubeadm-1.23.6-0   kubectl-1.23.6-0 kubelet-1.23.6-0cat >/etc/sysconfig/kubelet << EOFKUBELET_EXTRA_ARGS="--cgroup-driver=systemd"KUBE_PROXY_MODE="ipvs"EOFsystemctl enable kubelet && systemctl start kubelet