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