ubuntu下配置docker

1. 安装包，允许 apt 命令 HTTPS 访问 Docker 源。

$ apt-get install \

    apt-transport-https \

    ca-certificates \

    curl \

    software-properties-common

2. 添加 Docker 官方的 GPG

$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -

3. 将 Docker 的源添加到 /etc/apt/sources.list

$ add-apt-repository \

  "deb [arch=amd64] https://download.docker.com/linux/ubuntu \

  $(lsb_release -cs) \

  stable"

安装 Docker

$ apt-get update
$  apt-get install docker-ce

4.出现问题

docker: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?.
See 'docker run --help'.

解决方法：https://blog.youkuaiyun.com/persistencegoing/article/details/93499019

5.使用方法：https://www.cnblogs.com/blog-rui/p/11244023.html