CentOS完整卸载Docker

yum list installed | grep docker

yum -y remove docker.x86_64
yum -y remove docker-client.x86_64
yum -y remove docker-common.x86_64
rm -rf /etc/docker
rm -rf /run/docker
rm -rf /var/run/docker
rm -rf /var/lib/dockershim
rm -rf /var/lib/docker