docker ubuntu安装

1. 更新apt安装包索引

sudo apt-get update

2. 安装

sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \ software-properties-common


3.添加官方Gpg key

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

 sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \ $(lsb_release -cs) \ stable"

4.更新apt索引

sudo apt-get update

5. 开始安装docker ce社区版

sudo apt-get install docker-ce

6. 验证是否安装成功

sudo docker run hello-world