ubuntu安装Docker

1、安装必要的系统工具

      

sudo apt-get update

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

2、安装GPG证书

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

3、写入软件源信息

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

4、更新并安装Docker-CE

sudo apt-get -y update

sudo apt-get -y install docker-ce