docker卸载

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