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@dagelf
Forked from radu-gheorghe/traffic.sh
Last active Nov 22, 2021
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Netspeed 2 - gets Linux network interface throughput speed from /proc/net/dev; busybox bash/awk/sed compatible, good for embedded OpenWRT or UBNT / Ubiquiti, etc routers
#!/bin/sh
# Copy the contents of this file to the clipboard, then get a terminal open on your device and enter:
# $ cat > n.sh
# [Ctrl+V] or Right Click, Paste. Then [Ctrl+D].
# chmod +x n.sh
# To run: ./n.sh eth0
SLP=1 # display / sleep interval
DEVICE=$1
IS_GOOD=0
for GOOD_DEVICE in `grep \: /proc/net/dev | awk -F: '{print $1}'`; do
if [ "$DEVICE" = $GOOD_DEVICE ]; then
IS_GOOD=1
break
fi
done
if [ $IS_GOOD -eq 0 ]; then
echo "Device not found. Should be one of these:"
grep ":" /proc/net/dev | awk -F: '{print $1}' | sed s@\ @@g
exit 1
fi
while true; do
LINE=`grep $1 /proc/net/dev | sed s/.*://`;
RECEIVED1=`echo $LINE | awk '{print $1}'`
TRANSMITTED1=`echo $LINE | awk '{print $9}'`
TOTAL=$(($RECEIVED1+$TRANSMITTED1))
sleep $SLP
LINE=`grep $1 /proc/net/dev | sed s/.*://`;
RECEIVED2=`echo $LINE | awk '{print $1}'`
TRANSMITTED2=`echo $LINE | awk '{print $9}'`
SPEED=$((($RECEIVED2+$TRANSMITTED2-$TOTAL)/$SLP))
INSPEED=$((($RECEIVED2-$RECEIVED1)/$SLP))
OUTSPEED=$((($TRANSMITTED2-$TRANSMITTED1)/$SLP))
printf "In: %12i KB/s | Out: %12i KB/s | Total: %12i KB/s\n" $(($INSPEED/1024)) $(($OUTSPEED/1024)) $(($SPEED/1024)) ;
done;
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