Linux 查看网络流量脚本(两种)

1

1. #!/bin/bash 
2. if [ -n "$1" ]; then 
3. eth_name=$1 
4. else 
5. eth_name="eth0"
6. fi 
7. i=0
8. send_o=`ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'` 
9. recv_o=`ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}'` 
10. send_n=$send_o 
11. recv_n=$recv_o 
12. while [ $i -le 100000 ]; do 
13. send_l=$send_n 
14. recv_l=$recv_n 
15. sleep 1 
16. send_n=`ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'` 
17. recv_n=`ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}'` 
18. i=`expr $i + 1` 
19. send_r=`expr $send_n - $send_l` 
20. recv_r=`expr $recv_n - $recv_l` 
21. total_r=`expr $send_r + $recv_r` 
22. send_ra=`expr \( $send_n - $send_o \) / $i` 
23. recv_ra=`expr \( $recv_n - $recv_o \) / $i` 
24. total_ra=`expr $send_ra + $recv_ra` 
25. sendn=`ifconfig $eth_name | grep bytes | awk -F \( '{print $3}' | awk -F \) '{print $1}'` 
26. recvn=`ifconfig $eth_name | grep bytes | awk -F \( '{print $2}' | awk -F \) '{print $1}'` 
27. clear 
28. echo   "Last second   :    Send rate: $send_r Bytes/sec   Recv rate: $recv_r Bytes/sec   Total rate: $total_r Bytes/sec" 
29. echo   "Average value:    Send rate: $send_ra Bytes/sec   Recv rate: $recv_ra Bytes/sec   Total rate: $total_ra Bytes/sec" 
30. echo   "Total traffic after startup:     Send traffic: $sendn   Recv traffic: $recvn" 
31. done 

2.

#!/bin/bashalias ifconfig="/sbin/ifconfig"eth=eth0while true; doRXpre=$(ifconfig ${eth} | grep bytes | awk '{print $2}'| awk -F":" '{print $2}')TXpre=$(ifconfig ${eth} | grep bytes | awk '{print $6}' | awk -F":" '{print $2}')sleep 1RXnext=$(ifconfig ${eth} | grep bytes | awk '{print $2}'| awk -F":" '{print $2}')TXnext=$(ifconfig ${eth} | grep bytes | awk '{print $6}' | awk -F":" '{print $2}')echo RX ----- TXecho "$((((${RXnext}-${RXpre})/1024)/1024))MB/s $((((${TXnext}-${TXpre})/1024/1024)))MB/s"done