vim flow.sh
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| #!/bin/bash
#caishzh 20121030
#displays the current Traffic
ETH=$1
ETH=${ETH:-eth0}
IP=`ifconfig $ETH|awk -F '[ :]+' '/inet addr/{print $4}'`
while true;do
let I+=1
NOW=`date +"%F %T"`
TX1=`grep $ETH /proc/net/dev | tr : " " | awk '{print $10}'`
RX1=`grep $ETH /proc/net/dev | tr : " " | awk '{print $2}'`
sleep 1
TX2=`grep $ETH /proc/net/dev | tr : " " | awk '{print $10}'`
RX2=`grep $ETH /proc/net/dev | tr : " " | awk '{print $2}'`
let TX=(TX2-TX1)/1024
let RX=(RX2-RX1)/1024
let TX_TOTAL+=$TX
let RX_TOTAL+=$RX
let TX_AVERAGE=TX_TOTAL/${I}
let RX_AVERAGE=RX_TOTAL/${I}
clear
printf "%10s\t%20s\n" "Device $ETH [$IP]" "$NOW"
echo "============================================================="
printf "%10s\t%20s\t%20s\n" CURRENT: in:${RX}KB/s out:${TX}KB/s
printf "%10s\t%20s\t%20s\n" AVERAGE: in:${RX_AVERAGE}KB/s out:${TX_AVERAGE}KB/s
printf "%10s\t%20s\t%20s\n" TOTAL: in:${RX_TOTAL}KB out:${TX_TOTAL}KB
done
|
脚本默认显示eth0的流量，如果要显示其它网卡的流量，请在脚本后接网卡名，如：
./flow.sh eth1
另一个版本，就是改了下显示的方式：
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| #!/bin/bash
#caishzh 20130311 version 2
#displays the current Traffic
LANG=C
ETH=$1
ETH=${ETH:-eth0}
IP=`ifconfig $ETH|awk -F '[ :]+' '/inet addr/{print $4}'`
while true;do
let I+=1
NOW=`date +"%F %T"`
TX1=`grep $ETH /proc/net/dev | tr : " " | awk '{print $10}'`
RX1=`grep $ETH /proc/net/dev | tr : " " | awk '{print $2}'`
sleep 1
TX2=`grep $ETH /proc/net/dev | tr : " " | awk '{print $10}'`
RX2=`grep $ETH /proc/net/dev | tr : " " | awk '{print $2}'`
let TX=(TX2-TX1)/1024
let RX=(RX2-RX1)/1024
let TX_TOTAL+=$TX
let RX_TOTAL+=$RX
let TX_AVERAGE=TX_TOTAL/${I}
let RX_AVERAGE=RX_TOTAL/${I}
printf "%s \t %30s \t %30s \t %30s\n" "$NOW" "CURRENT: in:${RX}KB/s out:${TX}KB/s" "AVERAGE: in:${RX_AVERAGE}KB/s out:${TX_AVERAGE}KB/s" "TOTAL: in:${RX_TOTAL}KB out:${TX_TOTAL}KB"
done
|