2026-03-12 20:23:15

vg/netspeed.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+IF=$1
+if [ -z "$IF" ]; then
+        IF=`ls -1 /sys/class/net/ | head -1`
+fi
+RXPREV=-1
+TXPREV=-1
+echo "Listening $IF..."
+while [ 1 == 1 ] ; do
+        RX=`cat /sys/class/net/${IF}/statistics/rx_bytes`
+        TX=`cat /sys/class/net/${IF}/statistics/tx_bytes`
+        if [ $RXPREV -ne -1 ] ; then
+                let BWRX=$RX-$RXPREV
+                let BWTX=$TX-$TXPREV
+                echo "`date` Received: $BWRX B/s    Sent: $BWTX B/s"
+        fi
+        RXPREV=$RX
+        TXPREV=$TX
+        sleep 2
+done