检查机器是否能ping通

#!/bin/bash 

PREFIX=192.168.1 

 NODE=1 

 while [ "$NODE" -lt "255" ]; do

 echo -en "Pinging ${PREFIX}.${NODE}..."

 ping -c1 -w1 -t5 ${PREFIX}.${NODE} >/dev/null 2>&1 

 if [ "$?" -eq "0" ]; then

 echo "OK"

 else

 echo "Failed"

 fi

 let NODE=$NODE+1 

 done

本文转自 Anonymous123 51CTO博客，原文链接:http://blog.51cto.com/woshitieren/1669358