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【Shell】查看主机网卡流量

作者:Dezai.CN / 发布于2012/7/16/ 1109

查看主机网卡流量

<div>
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;">#!/bin/bash
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;">#network
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;">#Mike.Xu
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;">while : ; do
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>time='date +%m"-"%d" "%k":"%M'
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>day='date +%m"-"%d'
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>rx_before='ifconfig eth0|sed -n "8"p|awk '{print $2}'|cut -c7-'
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>tx_before='ifconfig eth0|sed -n "8"p|awk '{print $6}'|cut -c7-'
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>sleep 2
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>rx_after='ifconfig eth0|sed -n "8"p|awk '{print $2}'|cut -c7-'
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>tx_after='ifconfig eth0|sed -n "8"p|awk '{print $6}'|cut -c7-'
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>rx_result=$[(rx_after-rx_before)/256]
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>tx_result=$[(tx_after-tx_before)/256]
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>echo "$time Now_In_Speed: "$rx_result"kbps Now_OUt_Speed: "$tx_result"kbps"
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;"><span style="mso-spacerun: yes;">      </span>sleep 2
<p style="margin: 0in; font-family: SimSun; font-size: 10pt;">done
</div>

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