#!/bin/bash var0=`ps aux|awk '/dhclient wlan0/'|awk '$11!="awk"{print $2}'` kill $var0 cp ifcfg-wlan0 /etc/sysconfig/network-scripts/ dhclient wlan0 var1=`ifconfig wlan0 |awk '/inet/{print $2}'|awk -F: '{print $2}'` rm -f /etc/sysconfig/network-scripts/ifcfg-wlan0 echo "get ip: $var1"
