shell脚本自动修改IP信息

#!/bin/sh

# BY kerry (聆听未来)

# BLOG:http://kerry.blog.51cto.com

# set variable

ip_mod=$1

mask_mod=$2

gw_mod=$3

dns_mod=$4

hostname_mod=$5

hosts=/etc/hosts

ifcfg=/etc/sysconfig/network-scripts/ifcfg-eth0

network=/etc/sysconfig/network

resolv=/etc/resolv.conf

hwaddr=`grep -i HWADDR $ifcfg|awk -F "=" '{print $2}'`

# mod ip、mask、gw、dns、hostname

if [ $# != 5 ];then

cat << EOF

+-----------------------------------------------------------------------------------+

++++++ +++++

| ==== 这是一个自动修改网络ip、掩码、网关、DNS、主机名的脚本 ====|

| ==== 使用方法：ip_mod ip mask gw dns hostname ====|

| ==== 例：ip_mod 10.10.10.5 255.255.255.0 10.10.10.1 8.8.8.8 kerry ====|

++++++ +++++

+-----------------------------------------------------------------------------------+

EOF

fi

if [ $# == 5 ];then

/bin/hostname $hostname_modf

cp -r $hosts ${hosts}.bak

echo -e "$ip_mod $hostname_mod" > $hosts

cp -r $ifcfg ${ifcfg}.bak

echo -ne "DEVICE=eth0

BOOTPROTO=static

HWADDR=$hwaddr

IPADDR=$ip_mod

NETMASK=$mask_mod

ONBOOT=yes

" > $ifcfg

cp -r $network ${network}.bak

echo -ne "NETWORKING=yes

HOSTNAME=$hostname_mod

GATEWAY=$gw_mod

" > $network

cp -r $resolv ${resolv}.bak

echo -e "nameserver $dns_mod" > $resolv

# restart network

service network restart

echo "ip、mask、gw、dns、hostname set OK .................!!!!!!!"

fi