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shell: quick linux scripts for showing network bandwidth or packets-per-second
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#!/bin/bash | |
if [ -z "$1" ]; then | |
echo | |
echo usage: $0 network-interface | |
echo | |
echo e.g. $0 eth0 | |
echo | |
echo shows packets-per-second | |
exit | |
fi | |
IF=$1 | |
while true | |
do | |
R1=`cat /sys/class/net/$1/statistics/rx_packets` | |
T1=`cat /sys/class/net/$1/statistics/tx_packets` | |
sleep 1 | |
R2=`cat /sys/class/net/$1/statistics/rx_packets` | |
T2=`cat /sys/class/net/$1/statistics/tx_packets` | |
TXPPS=`expr $T2 - $T1` | |
RXPPS=`expr $R2 - $R1` | |
echo "tx $1: $TXPPS pkts/s rx $1: $RXPPS pkts/s" | |
done |
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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 |
very nice, thank you
Thanks you Joe Miller! Been struggling for a way to do this, and all my solutions were very convoluted. Your scripts gave me the clues I needed to pull what I needed in a simple fashion. Very much appreciated!!
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My version of the script: