cat /tmp/checkaliveip.sh
#!/bin/bash
for num in {1..254}
do
(
Host=192.168.110.$num
# ping -c2 $Host &> /dev/null
ping -c 2 -i 0.2 -w 3 $Host &> /dev/null
[ $? -eq 0 ] && echo -e "\t##########\t\e[0;5m\e[32m$Host is alive.\e[0m\t############"
[ $? -ne 0 ] && echo -e "\t\t\t\t\t\t\t\t\t\t---------------\t\e[0;5m\e[4m\e[31m$Host is down.\e[0m\t-----------------"
) #&
done
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原文:http://winterysea.blog.51cto.com/9677346/1693405