linux 监控网卡实时流量[带宽]-脚本
时间:2014-12-10 23:53 来源:linux.it.net.cn 作者:IT
linux 监控网卡实时流量[带宽]-脚本
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#!/bin/bash
if [ -z "$1" ]; then
echo
echo usage: $0 network-interface
echo
echo e.g. $0 eth0
echo
exit
fi
IF=$1
while true
do
R1=`cat /sys/class/net/$1/statistics/rx_bytes`
T1=`cat /sys/class/net/$1/statistics/tx_bytes`
sleep 1
R2=`cat /sys/class/net/$1/statistics/rx_bytes`
T2=`cat /sys/class/net/$1/statistics/tx_bytes`
TBPS=`expr $T2 - $T1`
RBPS=`expr $R2 - $R1`
TKBPS=`expr $TBPS / 1024`
RKBPS=`expr $RBPS / 1024`
echo "tx $1: $TKBPS kb/s rx $1: $RKBPS kb/s"
done
(责任编辑：IT)
linux 监控网卡实时流量[带宽]-脚本
(责任编辑：IT) |