此脚本用于检查192.168.1.100到192.168.1.200之间的主机是否alive。脚本如下:
#!/bin/bash
#Checks to see if hosts 192.168.1.100-192.168.1.200 are alive
for n in {100..200}; do
host=192.168.1.$n
ping -c2 $host &>/dev/null
if [ $? = 0 ]; then echo "$host is UP" else echo "$host is DOWN" fidone
※温馨小提示:注意$?与=之间必须空格。