# cenos7 docker安装
Date: 2020-12-21


- 环境：
    
    - cenos7(X86\_64) + openssh
    - 安装工具yum
- 安装
    
    1 检查更新
    
    ```C
     sudo yum check-update
    ```
    
    2 安装依赖包
    
    ```C
    sudo yum install -y yum-utils device-mapper-persistent-data lvm2
    ```
    
    3 增加docker repo地址
    
    ```C
    sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
    ```
    
    4 安装docker
    
    ```C
    sudo yum install docker
    ```
    
    5 启动docker服务查看状态
    
    ```C
    sudo systemctl start docker
    ```
    
    开机启动
    
    ```C
    sudo systemctl enable docker
    ```
    
    查看状态
    
    ```C
    sudo systemctl status docker0
    ```
    

### 参考及引用

https://phoenixnap.com/kb/how-to-install-docker-centos-7 Photo by Steve Johnson from Pexels