Centos7 一键安装Docker

#!/bin/bash# 卸载原有docker相关软件sudo yum remove docker \                  docker-client \                  docker-client-latest \                  docker-common \                  docker-latest \                  docker-latest-logrotate \                  docker-logrotate \                  docker-engine# 安装依赖sudo yum install -y yum-utils \  device-mapper-persistent-data \  lvm2# 设置稳定的存储库sudo yum-config-manager \    --add-repo \    https://download.docker.com/linux/centos/docker-ce.repo# 列出可用docker版本yum list docker-ce --showduplicates | sort -r# 获取终端输入的版本read -p "please input docker version:(eg:docker-ce-18.03.0.ce-1.el7.centos)" DockerVersion# 安装dockeryum -y install $DockerVersion# 启动dockersudo systemctl start docker# 获取docker版本docker version# 安装完成echo "恭喜，安装完成！"