检查网段内在线ip的脚本

0

googleqicq

学习下

0

陈沛

#!/bin/bash
#
#时间：
#作者
#说明
IP_num="192.168.0."
for i in $(seq 1 254)
do
ping -c 1 ${IP_num}$i > /dev/null
if [ $? -eq 0 ]
then
echo ${IP_num}$i" OK"
else
echo ${IP_num}$i" error"
fi
done

0

krven

#!/bin/sh
ipd=192.168.1.
for a in `seq 1 254`
do
ping -c 2 $ipd$a >/dev/null
if [ $? = 0 ]
then
echo "echo $ipd$a is on"
echo $ipd$a is on >> 2.txt

else
echo "echo $ipd$a is not"
echo $ipd$a is not >>3.txt
fi
done

0

tutu

q

0

googleqicq

#!/bin/bash
##
for i in `seq 1 254`
do
ping -c1 -w1 192.168.0.$i
if [ "$?" -eq 0 ]
then
echo "192.168.0.$i" >> 1.txt
fi
done

0

hlymlv

看看

0

wzwyql

有时候会遇到这个情况，ping一个ip会很长时间没有结果（我遇到过好几分钟，最后还是我手动停止的），这样的话就会严重影响脚本运行的速度，有没有解决办法？

0

汤小东

learn

0

linuxjishuren

想练习下

0

方琪

陈沛发表于 2015-11-19 11:33

能否解释下 ping -c 1 ${IP_num}$i > /dev/null
if [ $? -eq 0 ]
这两句的后面这句。为什么可以通过判断$? 的值判断是否ping成功呢

0

陈沛

方琪发表于 2015-11-29 18:11
能否解释下 ping -c 1 ${IP_num}$i > /dev/null
if [ $? -eq 0 ]
这两句的后面这句。为什么 ...

ping -c 1 ${IP_num}$i > /dev/null ping的通返回码是0，反之就是非零
if [ $? -eq 0 ] $?表示获取的是程序执行的返回码

0

方琪

陈沛发表于 2015-11-29 22:05
ping -c 1 ${IP_num}$i > /dev/null ping的通返回码是0，反之就是非零
if [ $? -eq 0 ] ...

明白了多谢说明

0

yangjian319

学过了。

0

loveyouhyf

#! /bin/bash
while :;
do
read -p "please enter the scan iprang:  " num
if echo "$num"|[ -n "`sed -n '/[a-Z]/p'`" ]
then
echo "error,please enter a number,again"
elif [ $num -ge 0 ] && [ $num -le 254 ]
then
IP_num="192.168.$num."
for i in $(seq 1 254)
do
      ping -c 1 ${IP_num}$i > /dev/null
      if [ $? -eq 0 ]
      then
            echo ${IP_num}$i" up"
      else
            echo ${IP_num}$i" down"
      fi
done
else
echo "error,please enter a number,again"
fi
done

0

xueyongbo

#!/bin/bash
# By xueyongbo
# 2015/12/6 20:00
trap "exit 1" INT
ip_num=192.168.0.
for i in `seq 1 254`
do
ping -c 1 -w 5 ${ip_num}$i > /dev/null
if [ $? -eq 0 ]
then
echo ${ip_num}$i >> onlineip
else
echo ${ip_num}$i >> offlineip
fi
done
echo "those is online."
cat onlineip
echo "those is offline."
cat offlineip

0

王焱峰

厉害！

0

balich

本帖最后由 balich 于 2015-12-14 10:48 编辑

#!/bin/bash
#2015-12-12
#
for n in {1..254};do
      host=192.168.0.$n
      ping -c2 $host &> /dev/null
      if [ $? =0 ];then
            echo "$host is UP."
            echo "$host" >> /root/onlinehost.txt
      else
            echo "$host is DOWN."
      fi
done

0

zql254

本帖最后由 zql254 于 2015-12-12 22:20 编辑

#!/bin/bash
ipa="192.168.0."
for i in `seq 1 254`;do
ping -c 1 $ipa$i>/dev/null&&echo "$ipa$i in online"||echo "$ipa$i is offline"
done

0

qiaoxin360

#!/bin/bash
for i in `seq 1 254`;do
ping -c1 -W1 192.168.0.$i > /dev/null
[ $? -eq 0 ] && echo 192.168.0.$i
done

0

沧海一叶

#!/bin/bash
#
for i in `seq 1 254`; do
ping -c 1 -W 1 192.168.0.$i >& /dev/null
if [ $? -eq 0 ];then
echo "192.168.0.$i is online"
else
echo "192.168.0.$i is down"
fi
done

0

J!_yuan

#!/bin/bash
#functions:
# check alive hosts!!!
# then echo the ip.
IP=121.42.170.
echo "the online hosts ip:"
for i in `seq 1 245`;do
ping -c1 $IP$i > /dev/null
if [ $? -eq 0 ];then
echo "$IP$i"
fi
done
exit 0

0

rolay8

#!/bin/bash
ip="192.168.0."
for i in `seq 1 254`;do
ping -c1 -w1 ${ip}${i} >/dev/null
if [[ $? -eq 0 ]];then
echo ${ip}${i}" is useful!"
fi
done

0

出VU时代

学习了

0

prospect

#!/bin/sh
#author@zhanwang.xie

IP_graph='192.168.1.'

for i in `seq 1 254`
do
ping -c 1 ${IP_graph}$i >/dev/null
if [[ $? -eq 0 ]];then
echo ${IP_graph}$i" is online!"
fi
done

0

inzaghidai

看看

0

inzaghidai

看看正确答案

0

linuxjishuren

krven 发表于 2015-11-19 12:54
#!/bin/sh
ipd=192.168.1.
for a in `seq 1 254`

恩，不错，采纳了，顺便学习下，呵呵

0

casparcc

学习学习

0

t0ny1988

#!/bin/bash
ip=192.168.0.
for i in `seq 1 254`
do
ping -c 4 $ip$i >/dev/null
if [ $? -eq 0 ]
then
echo "$ip$i is up" >> up.txt
else
echo "$ip$i is down" >> down.txt
fi
done

0

拉卡

#!bin/bash
#判断网段内哪些IP在线

for i in {1..254}
do
m=`ping -c1 172.28.17.$i |grep 'packets' |awk 'OFS=" [ ]+" {print$6}' |sed 's/%//g'`
if [ $m -eq 0 ]
then
echo "IP 172.28.17.$i is online"
fi
done

0

tutu

答案

0

18898562952

11

0

fish

学习认真学习

0

初秋飞马

本帖最后由初秋飞马于 2016-1-28 12:08 编辑

#!/bin/bash
# 2016-01-28 11:54:05
for i in `seq 1 254`
do
ip=192.168.0.$i
pingmsg=`ping -c 1 $ip |grep Unreachable`
if [ "$pingmsg" == "" ]
then
echo "$ip ""on line..."
fi
done

0

KICAZ629

练习

0

lyhabc

本帖最后由 lyhabc 于 2016-1-29 18:44 编辑

#!/bin/bash
##write by 2016-1-29
echo "" > /tmp/err.log
ipn=192.168.0.
for i in $(seq 1 254)
do
      ping -c 1 ${ipn}${i} > /dev/null 2>&1
      if [ $? -ne 0 ]
      then
            echo "${ipn}${i} no " >> /tmp/err.log
      else
            echo "${ipn}${i} yes " >> /tmp/err.log
      fi
done

cat  /tmp/err.log

192.168.1.1 yes
192.168.1.2 no
192.168.1.3 no
192.168.1.4 no
192.168.1.5 no
192.168.1.6 yes

0

435664265

kankan

0

北辰星

#!/bin/bash
for i in `seq 1 254`
do
      ping -c 2 -w 10 192.168.1.$i > /root/ip.txt
      if [ $? -eq 0 ]
      then
            echo "192.168.1.$i is online" >> /root/ip.log
      fi
done

0

jinm

#! /bin/bash
for a in `seq 1 254`
do
ip=192.168.0.${a}
ping -c 1 -w 3 ${ip}&>/dev/null
if [ $? eq 0 ]
then
echo "$ip is up"
else
echo "$ip is down!!!"
fi
done