#!/bin/sh for ((i=0;i<4;i++)) do CLIENT_IP=`ping -c 3 $NODE-hf$i | grep "data" | sed 's/.* (\([0-9.]*\)).*/\1/' || uniq 2>&1` if [ -n $CLIENT_IP ] then echo "DEVICE=hf$i NM_CONTROLLED=yes IPADDR=$CLIENT_IP NETMASK=255.0.0.0 ONBOOT=yes " >/etc/sysconfig/network-scripts/ifcfg-hf$i ifup hf$i sleep 1 fi done