#/usr/bin/env bash
Name: get_network_info.sh
Author: Purple_Grape
This is a script to gather network information of your Linux system.
Test under Ubuntu 10.04 only.
#----------------------------
NIC=eth0
MAC=LANG=C ifconfig $NIC | awk '/HWaddr/{ print $5 }'
IP=LANG=C ifconfig $NIC | awk '/inet addr:/{ print $2 }' | awk -F: '{print $2 }'
MASK=LANG=C ifconfig $NIC | awk -F: '/Mask/{print $4}'
ext_ip=curl ifconfig.me
if ;
then
dns=awk '/^nameserver/{print $2}' /etc/resolv.conf
fi
#----------------------------
echo “Your network information is as below:”
echo $MAC
echo $IP
echo $dns
echo $ext_ip
