文章目錄
轉自:
http://blog.csdn.net/0210/article/details/5437368
原文有些bug,修改了下。
在GUI下面,有一大把的工具可以顯示網路流量,那麼,命令列下面怎麼辦?
顯然辦法是有的,比如,ifconfig,會有這樣的輸出:
RX bytes:1224128649 (1.1 GiB) TX bytes:34114947 (32.5 MiB)
過一會再看,數值有所變化,兩者的差值就是過去一段時間的流量。可是,這也太不人性化了……
正所謂自己動手,豐衣足食,我們自己來寫一個指令碼,即時顯示並重新整理!
指令碼如下,還是哪句話,本人功力有限,寫指令碼的原則是夠用就好。
#!/bin/bash if [ -n "$1" ]; then eth_name=$1 else eth_name="eth0" fi i=0 send_o=`busybox ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'` recv_o=`busybox ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}'` send_n=$send_o recv_n=$recv_o while [ $i -le 100000 ]; do send_l=$send_n recv_l=$recv_n sleep 1 send_n=`busybox ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'` recv_n=`busybox ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}'` i=`expr $i + 1` send_r=`expr $send_n - $send_l` recv_r=`expr $recv_n - $recv_l` total_r=`expr $send_r + $recv_r` send_ra=`expr \( $send_n - $send_o \) / $i` recv_ra=`expr \( $recv_n - $recv_o \) / $i` total_ra=`expr $send_ra + $recv_ra` sendn=`busybox ifconfig $eth_name | grep bytes | awk -F \( '{print $3}' | awk -F \) '{print $1}'` recvn=`busybox ifconfig $eth_name | grep bytes | awk -F \( '{print $2}' | awk -F \) '{print $1}'` clear echo "Last second : Send rate: $send_r Bytes/sec Recv rate: $recv_r Bytes/sec Total rate: $total_r Bytes/sec" echo "Average value: Send rate: $send_ra Bytes/sec Recv rate: $recv_ra Bytes/sec Total rate: $total_ra Bytes/sec" echo "Total traffic after startup: Send traffic: $sendn Recv traffic: $recvn" done |
該指令碼(假設名叫traffic)預設顯示eth0的流量,如果你有多個網卡,請將網卡作為參數傳進去,比如:
./traffic eth1
運行結果如下: