### 环境
CentOS Linux release 7.5
### 安装
一键安装命令:
`curl -sSL https://get.daocloud.io/docker | sh`
### 启动
`systemctl start docker`
### 测试
`docker run hello-world`
![](https://img.kancloud.cn/c6/10/c6105c2c8b2a21635f949b9b86d3ce99_574x417.png)
通过`docker images`查看是否安装成功
![](https://img.kancloud.cn/19/78/197851b80b8add36d9e54db93612b06a_633x51.png)
https://www.runoob.com/docker/docker-install-php.html