一、安装包卸载
yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine docker-ce
2、rpm包查找卸载
rpm -qa docker | xargs rpm -e
3、删除相关目录和文件
rm -rf /etc/systemd/system/docker*
rm -rf /var/lib/docker
rm -rf /var/run/docker