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通过docker --version 验证
如果还存在
sudo yum list installed | grep docker
sudo yum -y remove xxxx # 上面搜索出来的包删除相关的镜像与容器
sudo rm -rf /var/lib/docker
