檢測範圍 Server IP 是否 Ping 回應 - bash script

有時候會需要檢測範圍性的主機是否有在線上，所以寫了一隻簡易的 Ping Server 的 bash script

 

Pingip.sh

#!/bin/bash 
 script="Pingip.sh" 
 network="192.168.0" 
 ip_start="$1" 
 ip_end="$2" 
  
 # --- start script --- 
  
 trap 'stop' SIGUSR1 SIGINT SIGHUP SIGQUIT SIGTERM SIGSTOP 
  
 stop() { 
         echo -e "\nStop ${script} script ...." 
         exit 0 
 } 
  
 echo -e "\nStart ${script} Scanner Server ...." 
  
 for opt in $(seq ${ip_start} ${ip_end}) 
 do 
         ping -c 1 -W 1 ${network}.${opt} &> /dev/null && result=0 || result=1 
  
         if [ "${result}" == 0 ]; then 
                 echo "Server ${network}.${opt} is UP." 
         else 
                 echo "Server ${network}.${opt} is DOWN." 
         fi 
 done

 

script 中加入了 trap 來讓 script 執行中可以 Ctrl + C 取消執行，如果沒有加入 trap 就會持續執行到 script 結束

 

在環境變數中，你必須指定 network 來代表你的網段

 

使用方式：指定你要的範圍 IP 10 ~ 100

$ ./Pingip.sh 10 100 
  
 Start Pingip.sh Scanner Server .... 
 Server 192.168.0.10 is UP. 
 Server 192.168.0.11 is UP. 
 Server 192.168.0.12 is UP. 
 ... 
 ... 
 Server 192.168.0.10 is DOWN.

 

 

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