#!/bin/bash

#安装dhcp软件

[ -d /etc/dhcp/dhcpd ] || yum -y install dhcp

read -p "输入你的域名" localname

read -p "属于对外出租的网段" aaa

read -p "输入起始地址池地址" begin

read -p "输入结尾地址池地址" end

read -p "输入你的网关" hh

#修改配置文件

cat  << END > /etc/dhcp/dhcpd.conf

option domain-name "$localname";

option domain-name-servers 202.106.0.20,8.8.8.8;

default-lease-time 600;

max-lease-time 7200;

subnet $aaa netmask 255.255.255.0 {

  range $begin $end;

  option routers $hh;

}

END

#启动服务

systemctl restart dhcpd

systemctl enable dhcpd && echo "启动成功"