本机外网ip

Shell脚本获取本地⽹卡IP、mac地址、⼦⽹掩码、

dnsIP、外⽹IP

#/usr/bin/envbash

#Name:get_network_

#Author:Purple_Grape

#ThisisascripttogathernetworkinformationofyourLinuxsystem.

#TestunderUbuntu10.04only.

#----------------------------

NIC=eth0

MAC=`LANG=Cifconfig$NIC|awk'/HWaddr/{print$5}'`

IP=`LANG=Cifconfig$NIC|awk'/inetaddr:/{print$2}'|awk-F:'{print$2}'`

MASK=`LANG=Cifconfig$NIC|awk-F:'/Mask/{print$4}'`

ext_ip=``

if[-f/etc/];

then

dns=`awk'/^namerver/{print$2}'/etc/`

fi

#----------------------------

echo"Yournetworkinformationisasbelow:"

echo$MAC

echo$IP

echo$dns

echo$ext_ip