脚本系列（一）查看局网内主机存活

libo

[pre]
#!/usr/bin/bash
# check host status
#v1
for i in {1..254}
do
        {
    ip=192.168.8.$i
    ping -c 2 -W 1 $ip &>/dev/null
    if [ $? -eq 0 ];then
        echo "$ip is online" | tee -a /tmp/host_online.txt
    else
       # echo "$ip is offline" | tee -a /tmp/host_offline.txt
       echo "$ip is offline" &>/dev/null
    fi
        }&
done
wait
[/pre]