#!/bin/bash ########安装dhcp服务器######### ######配置yum源####### cat >/etc/yum.repos.d/local.repo<<end [local] name=local baseurl=file:///mnt gpgcheck=0 enable=1 end

########挂载光盘############### if mount | grep /dev/sr0>/dev/null then echo "it mount" else echo "not mount" mount /dev/cdrom /mnt fi

##########清空防火墙##############

/etc/init.d/iptables stop

###########修改主机名############# cat >/etc/sysconfig/network <<EOF NETWORKING=yes HOSTNAME=dhcp_server EOF ##########安装dhcp服务器########### yum -y install dhcp ###########编辑配置文件############ rm -rf /etc/dhcp/dhcpd.conf cp /usr/share/doc/dhcp-4.1.1/dhcpd.conf.sample /etc/dhcp/dhcpd.conf cat >/etc/dhcp/dhcpd.conf<<EOF option domain-name "feiyu.com"; option domain-name-servers 192.168.1.16,8.8.8.8; default-lease-time 600; max-lease-time 7200; log-facility local7; subnet 192.168.1.0 netmask 255.255.255.0 { range 192.168.1.17 192.168.1.20; option domain-name-servers 8.8.4.4; option domain-name "hehe.org"; option routers 192.168.1.1; option broadcast-address 192.168.1.255; } host dayinji { hardware ethernet 08:00:27:3D:2B:A7; fixed-address 192.168.1.200; } EOF

#############启动dhcp############## /etc/init.d/dhcpd restart && chkconfig --level 35 dhcpd on 注：这个脚本只适用于centos7之前的版本！因为centos7服务启动方式以及网卡名做了一些小改动，不过可根据此脚本适当的做修改即可！