Docker - create the first instance of a docker

1 Overview

1. After installing ready to use

2. Environment

1. the
   1. CentOS 7
2. docker
   1. docker - this
      1. 19.03

3. Step

1. Start docker

   > systemctl start docker

2. Create a container

   # 创建成功后自动进入容器
   # -it 表示开启 stdin, 以及开启伪终端
   > docker run -it ubuntu /bin/bash

3. Excuting an order

   docker> apt-get install iproute2
   docker> ip a

3. Other

1. ref

   1. Installation ip command

      https://www.cnblogs.com/S--S/p/7209682.html