#!/bin/bash cd /etc/network #清除4-9行 sed -i '4,9d' interfaces #在第3行添加网卡名称 sed -i "3a auto ${1}" interfaces #在第4行添加 sed -i "4a iface ${1} inet static" interfaces #在第5行添加IP sed -i "5a address ${2}" interfaces #在第6行添加子网掩码 sed -i "6a netmask ${3}" interfaces #在第7行添加网关 sed -i "7a gateway ${4}" interfaces #在第8行添加DNS if test -z "${5}" then sed -i "8a dns-nameservers 0.0.0.0" interfaces else sed -i "8a dns-nameservers ${5}" interfaces fi echo "chang is succes"