How to delete newly installed docker

$ docker ps // 查看所有正在运行容器
$ docker stop containerId // containerId 是容器的ID
$ docker ps -a // 查看所有容器 $ docker ps -a -q // 查看所有容器ID
$ docker stop $(docker ps -a -q) //  stop停止所有容器
$ docker rm $(docker ps -a -q) //   remove删除所有容器

yum list installed | grep docker

sudo yum -y remove docker-ce.x86_64

rm -rf /var/lib/docker

rm -rf /etc/docker

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