opwnert顯示實時網速

借鑑了https://www.cnblogs.com/jzyuchen/p/3939985.html

新建一個shell腳本

vim wa.sh

按下i之後輸入

#!/bin/sh
#iptables -F
#iptables -X UPLOAD
#iptables -X DOWNLOAD

stopflag=0

delr(){                                                                                                      
    echo "ctrl-c"                                                                                                
    let stopflag=1                                                                                                  
    iptables -X UPLOAD                                                                                           
    iptables -X DOWNLOAD                                                                                         
    clear                                                                                                      
    #exit 0                                                                                                    
}

trap "delr" INT #ctrl-c
trap "delr" HUP #hup
trap "delr" QUIT #ctrl-\
trap "delr" ABRT #err
trap "delr" ALERM #tiomeout
trap "delr" TERM #shutdown

clear
echo "Collecting data..."
echo ""

showinfo(){
cat /proc/net/arp | grep : | grep ^192 | grep -v 00:00:00:00:00:00 | awk '{print $1}' > mac-ip
iptables -N UPLOAD                                                         
iptables -N DOWNLOAD                                                       
while read line;do iptables -I FORWARD 1 -s $line -j UPLOAD;done < mac-ip  
while read line;do iptables -I FORWARD 1 -d $line -j DOWNLOAD;done < mac-ip
sleep 1                                                                                                      
clear                                                                                                        
echo "Download speed:"                                                                                       
echo ""                                                                                                      
iptables -nvx -L FORWARD | grep DOWNLOAD | awk '{print $2/1024/1" KB/s ",$1/10" packets/s", $9}' | sort -n -r
echo ""                                                                                                    
echo "Upload speed:"                                                                                       
echo ""                                                                                                    
iptables -nvx -L FORWARD | grep UPLOAD | awk '{print $2/1024/1" KB/s ",$1/10" packets/s", $8}' | sort -n -r
                                                                         
while read line;do iptables -D FORWARD -s $line -j UPLOAD;done < mac-ip  
while read line;do iptables -D FORWARD -d $line -j DOWNLOAD;done < mac-ip
iptables -X UPLOAD        
iptables -X DOWNLOAD
}

while [ $stopflag -eq 0  ]
do 

#echo "hello"
showinfo
#sleep 1

done

按esc退出編輯

輸入:wq保存退出

chmod +x ./wa.sh賦予執行權限

./wa.sh運行

每隔一秒會自動刷新，顯示每個IP對應的網速

按下ctrl+c退出