彻底删除docker

yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine

rm -rf /etc/systemd/system/docker.service.d

rm -rf /var/lib/docker

rm -rf /var/run/docker

rm -rf /etc/docker

查看Docker安装过的包

yum list installed | grep docker

删除安装的软件包

yum -y remove 包名