shell

检查网段内的ip占用情况

#！/bin/bash for i in $(seq 1 255); do ping 192.168.9.$i -c 1 -w 2 >/dev ull 2> & 1; if [ $? != 0 ];then echo "$i is not online"; fi; done;

February 10, 2014 1 topics

shell

#！/bin/bash

for i in $(seq 1 255);

do ping 192.168.9.$i -c 1 -w 2 >/dev ull 2> & 1;

if [ $? != 0 ];then

echo “$i is not online”;

fi;

done;