使用shell腳本計算Linux網卡流量,方法中最關鍵點:
#!/bin/bash# 統計網卡流量# link:m.survivalescaperooms.com# date:2013/2/26n=10 daterm -rf /tmp/ifconfig_logwhile (( $n >= 0 ))do n=$(($n - 1)); date >> /tmp/ifconfig_log ifconfig eth1 >> /tmp/ifconfig_log sleep 1done grep "RX bytes:" /tmp/ifconfig_log | awk -F"[:| ]" '{print $13}' | awk 'BEGIN{tmp=$1}{if(FNR > 1)print $1-tmp}{tmp=$1}'代碼二:
#!/bin/bashif [ -n "$1" ]; then eth_name=$1else eth_name="eth0"fii=0send_o=`ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'`recv_o=`ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}'`send_n=$send_orecv_n=$recv_owhile [ $i -le 100000 ]; do send_l=$send_n recv_l=$recv_n sleep 1 send_n=`ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'` recv_n=`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=`ifconfig $eth_name | grep bytes | awk -F /( '{print $3}' | awk -F /) '{print $1}'` recvn=`ifconfig $eth_name | grep bytes | awk -F /( '{print $2}' | awk -F /) '{print $1}'` clear echo "==================================================" 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" echo "=================================================="done代碼三:
#!/bin/bash # Link: www.51bbo.com ### while : do Time=`date +%F” “%T.%N` rx_before=`ifconfig eth0 |sed -n 8p |awk ‘{print $2}'| cut -c7-` tx_before=`ifconfig eth0 |sed -n 8p |awk ‘{print $6}'| cut -c7-` sleep 2 rx_after=`ifconfig eth0 |sed -n 8p |awk ‘{print $2}'| cut -c7-` tx_after=`ifconfig eth0 |sed -n 8p |awk ‘{print $6}'| cut -c7-` rx_result=$[(rx_after
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