centos离线安装nvidia-docker（或者其他linux系统）
首先去官方github找安装包
例如（这只是1.0.1版本）
$ wget https://github.com/NVIDIA/nvidia-docker/releases/download/v1.0.1/nvidia-docker-1.0.1-1.x86_64.rpm
安装
rpm -ivh nvidia-docker-1.0.1-1.x86_64.rpm
启动服务
sudo systemctl restart nvidia-docker
查看服务状态
$ systemctl status nvidia-docker.service
...
Active: active (running) since Thu 2018-05-10 14:12:25 CST; 5s ago
...
如果是nvidia-docker2版本需要安装如下包，参考https://github.com/NVIDIA/nvidia-docker/releases
