每天一个shell脚本（12）脚本配置dhcp

当想偷懒，但是却因为实验环境不能不搭建麻烦的DHCP时就可以用到啦！还不赶紧收藏起来

#!/bin/bashyum -y install dhcp &> /dev/nullwhile truedoecho \"请输入IP范围，格式范例（10.0.0.1 10.0.0.200）\"read -p \"---->：\" IP_zoneecho \"请输入IP网段以及子网掩码，格式范例（10.0.0.0 255.255.255.0）\"read -p \"---->：\" IPnetecho \"请输入路由地址，格式范例（10.0.0.1）\"read -p \"---->：\" Gatwayecho \"请输入DNS地址，格式范例（10.0.0.1）\"read -p \"---->：\" DNS1IPadd=`echo $IPnet | awk \'{print $1}\'`Netmask=`echo $IPnet | awk \'{print $2}\'`dhcp_conf() {echo \"subnet $IPadd netmask $Netmask {\"echo \"	  range $IP_zone;\"echo \"	  option domain-name-servers $DNS1;\"echo \"	  option routers $Gatway;\"echo \"	}\"}dhcp_conf  > /etc/dhcp/dhcpd.confsystemctl	restart dhcpd &> /dev/nullif [ $? -eq 0 ]thenecho \"启动成功！\"exit 0elseecho \"启动失败，显示启动失败内容.\"systemctl status dhcpdecho \"-------------------------------------------\"echo \"是否需要重新启动,Y/N?\"read -p \"---->\" decideif [ $decide == \"N\" ]thenecho \"bye!bye!\"exit 0fifidone