k8s 基础 docker-ce 安装(注k8s 的安装需要用此版docker 否则会报错 )
yum install -y yum-utils yum-config-manager \ --add-repo \ https://download.docker.com/linux/centos/docker-ce.repo yum-config-manager --enable docker-ce-edge yum clean all && yum makecache yum install -y docker-ce.x86_64