Question

linux 脚本 检测局域网主机状态 ，如何把up 和 down的 主机IP分别导入到一个文件

检测局域网下192,168.0.1~192.168.0.100之间所有主机的存活状态。并统计up和down主机的个数。
【分析】
使用linux的ping命令进行检测
使用for循环获取所需检测的IP地址
用if语句进行结果判断并统计up和down主机个数
【脚本】
#!/bin/bash
## Use ping command to check the network's PC state.

network="192.168.0"
totalup=0
totaldown=0
for ipadd in $(seq 1 100)
do
ping -c 1 -w 1 ${network}.${ipadd} &>/dev/null && result=0 || result=1
if [ "$result" == 0 ]; then
echo "PC ${network}.${ipadd} is UP."
totalup=$((${totalup}+1))
else
echo "PC ${network}.${ipadd} is DOWN."
totaldown=$((${totaldown}+1))
fi
done
echo "The uping PC has ${totalup}"
echo "The downing PC has ${totaldown}"

Answer 1

没有测试环境随便写了写
思路应该是这样的
#!/bin/bash
#test ping 192.168.0.1 - 100
for n in $(seq 1 100) ; do

host=192.168.0.$n

ping -c1 $host >& /dev/null

if [ "$?" = 0 ] ; then

echo "ping $host is up \" >> /tmp/up.txt

else

echo "ping $host is down \" >> /tmp/down.txt

fi

done

echo $(wc -l /tmp/up.txt)

echo $(wc -l /tmp/down.txt)