本脚本主要用于修改IP地址为静态！
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#!/bin/bash
#
#Target: Auto Chmod IP Information!
#Date: 2015-05-10
#Author: Jacken
#QQ：654001593
#QQ Group：170544180
#Version: 1.0
#Only allow define variable
shopt
-s -o nounset
#Define Variable
ETHCONFIG=
'/etc/sysconfig/network-scripts/ifcfg-eth1'
HOSTS=
'/etc/hosts'
NETWORK=
'/etc/sysconfig/network'
BAKDIR=
"/data/backup/`date +%Y%m%d`"
NETMASK=
'255.255.255.0'
GATEWAY=
'192.168.1.254'
DNS1=
'8.8.8.8'
################################################################################
####################################Define Function#############################
################################################################################
function
CHANGE_IP(){
#Create Directory
if
[ ! -d $BAKDIR ];
then
mkdir
-p $BAKDIR
fi
#Prompt Information
#Backup Network File
cp
$ETHCONFIG $BAKDIR/`
date
+%Y%m%d`.${ETHCONFIG:37}$$ &&
echo
-e
"\e[32mNow Change Ip Address, Backup Interface ${ETHCONFIG:37} to $BAKDIR Done\e[0m"
#Judge Get Ip Mode
if
`
grep
-q -i
'dhcp'
$ETHCONFIG` ;
then
#Change Get Ip Mode
sed
-i
's/dhcp/static/Ig'
$ETHCONFIG
sed
-i
's/^DNS/#DNS/Ig'
$ETHCONFIG
echo
-e
"IPADDR=$IPADDR\nNETMASK=$NETMASK\nGATEWAY=$GATEWAY\nDNS1=$DNS1"
>> $ETHCONFIG
echo
-e
'\e[32mIP Change Success!\e[0m'
else
#Warning Information
echo
-e
"\e[31mThe Network alreday is static,Please ensure YES or NO: "
read
i
#Again Confirm
if
[
"$i"
==
"y"
-o
"$i"
==
"yes"
-o
"$i"
==
"YES"
];
then
#Comment Old Configure
sed
-i -e
's/^IPADDR/#IPADDR/g'
-e
's/^NETMASK/#NETMASK/g'
-e
's/^GATEWAY/#GATEWAY/g'
-e
's/^DNS/#DNS/g'
$ETHCONFIG
echo
-e
"IPADDR=$IPADDR\nNETMASK=$NETMASK\nGATEWAY=$GATEWAY\nDNS1=$DNS1"
>> $ETHCONFIG
echo
-e
"\e[32mThe Ip Address is $IPADDR ,Change Success!\e[0m"
else
#Exit
echo
-e
"\e[31mThis $ETHCONFIG static exist, exiting...\e[0m"
fi
fi
}
################################################################################
#Check Ip Address
function
CHECK_IP(){
read
-p
"Please Input Ip address: "
IPADDR
#Test IP Format
echo
$IPADDR|
grep
"^[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}$"
>
/dev/null
2>&1
num=$?
if
[ $num -
ne
0 ];
then
echo
-e
"\e[31mPlease Check IP Format exiting....\e[0m"
exit
2
else
#Get Part Of Ip
a=`
echo
$IPADDR|
awk
-F.
'{print $1}'
`
b=`
echo
$IPADDR|
awk
-F.
'{print $2}'
`
c=`
echo
$IPADDR|
awk
-F.
'{print $3}'
`
d=`
echo
$IPADDR|
awk
-F.
'{print $4}'
`
if
[ $a -gt 255 ] || [ $a -
le
0 ];
then
echo
-e
"\e[31mPlease Check IP Format exiting...\e[0m"
exit
2
fi
if
[ $b -gt 255 ] || [ $b -lt 0 ];
then
echo
-e
"\e[31mPlease Check IP Format exiting...\e[0m"
exit
2
fi
if
[ $c -gt 255 ] || [ $c -lt 0 ];
then
echo
-e
"\e[31mPlease Check IP Format exiting...\e[0m"
exit
2
fi
if
[ $d -
ge
255 ] || [ $d -
le
0 ];
then
echo
-e
"\e[31mPlease Check IP Format exiting...\e[0m"
exit
2
fi
export
$IPADDR
fi
}
#Define PS3
PS3=
"Please Select Your Choose:"
select
i
in
"Change IP And DNS For ${ETHCONFIG:37}"
"Show ${ETHCONFIG:37} Config File"
"Restart Device ${ETHCONFIG:37}"
"Show ${ETHCONFIG:37} Status"
"Exit"
do
CHOOSE=$REPLY
case
$CHOOSE
in
1)
CHECK_IP
CHANGE_IP
;;
2)
cat
$ETHCONFIG
;;
3)
ifdown ${ETHCONFIG:37} >
/dev/null
2>&1 && ifup ${ETHCONFIG:37} >
/dev/null
2>&1
if
[ $? -
eq
0 ];
then
echo
-e
"\e[32mRestart Device ${ETHCONFIG:37} Success.\e[0m"
else
echo
-e
"\e[31mRestart Device ${ETHCONFIG:37} Failure.\e[0m"
fi
;;
4)
ifconfig
${ETHCONFIG:37}
;;
5)
echo
-e
'\e[32mByeBye!\e[0m'
exit
;;
*)
echo
-e
'\e[31mError Number,Please Input Again!'
esac
done
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演示：
本文转自Jacken_yang 51CTO博客，原文链接：http://blog.51cto.com/linuxnote/1650076，如需转载请自行联系原作者
