Kubernetes SystemVerification WARNING

this Docker version is not on the list of validated versions: 19.03.2. Latest validated version: 18.09

删除已有版本:

yum remove docker-<xxxxx.xxx>

yum remove docker-ce
rm -rf /var/lib/docker

查看可用版本列表

yum list docker-<xxxx.xx> --showduplicates | sort -r

yum list docker-ce --showduplicates | sort -r

安装指定版本

yum -y install docker-<xxxx>-<xxx>

yum -y install docker-ce-18.09.0