关于centos7:Centos7一键部署Docker脚本

#!/bin/bashinstall_docker(){    #更新yum包    sudo yum update -y    #装置依赖    sudo yum install -y yum-utils device-mapper-persistent-data lvm2    #设置yum源    sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo    #装置docker    sudo yum install docker-ce -y;    #版本查看    docker -v;    #配置镜像减速    mkdir -p /etc/docker;    cd /etc/docker;cat > daemon.json <<EOF{"registry-mirrors": ["https://docker.mirrors.ustc.edu.cn"]}EOF    #重新启动服务    systemctl daemon-reload;    systemctl restart docker;    #查看减速是否失效    docker info;    #启动docker并设置开机自启动    systemctl enable docker    systemctl start docker    systemctl status docker    docker ps -a }install_docker