永久更改IP地址腳本

#! /bin/bash ip=192.168.12.230  //要更改的IP地址 mask=255.255.255.0  //要更改的掩碼 gateway=192.168.12.1 //要更改的網關 oldip=`cat /etc/sysconfig/network-scripts/ifcfg-eth0  | grep IPADDR|awk -F "=" '{print $2}'` oldmask=`cat /etc/sysconfig/network-scripts/ifcfg-eth0  | grep NETMASK|awk -F "=" '{print $2}'` oldgateway=`cat /etc/sysconfig/network-scripts/ifcfg-eth0  | grep GATEWAY|awk -F "=" '{print $2}'` sed -i 's/'$oldip'/'$ip'/g' /etc/sysconfig/network-scripts/ifcfg-eth0 sed -i 's/'$oldmask'/'$mask'/g' /etc/sysconfig/network-scripts/ifcfg-eth0 sed -i 's/'$oldgateway'/'$gateway'/g' /etc/sysconfig/network-scripts/ifcfg-eth0 service network restart