Linux systems use Python to monitor network interfaces for network input and output

#!/usr/bin/env Python
Import time
Import Sys

If Len (SYS.ARGV) > 1:
INTERFACE = sys.argv[1]
Else
INTERFACE = ' eth0 '
STATS = []
print ' Interface: ', Interface

Def RX ():
Ifstat = open ('/proc/net/dev '). ReadLines ()
For interface in Ifstat:
If INTERFACE in INTERFACE:
Stat = float (Interface.split () [1])
Stats[0:] = [stat]

DEF TX ():
Ifstat = open ('/proc/net/dev '). ReadLines ()
For interface in Ifstat:
If INTERFACE in INTERFACE:
Stat = float (Interface.split () [9])
Stats[1:] = [stat]

print ' in Out '
Rx ()
TX ()

While True:
Time.sleep (1)
Rxstat_o = List (STATS)
Rx ()
TX ()
RX = float (stats[0])
Rx_o = rxstat_o[0]
TX = float (stats[1])
Tx_o = rxstat_o[1]
Rx_rate = Round ((rx-rx_o)/1024/1024,3)
Tx_rate = Round ((tx-tx_o)/1024/1024,3)
Print rx_rate, ' MB ', tx_rate, ' MB '

Linux systems use Python to monitor network interfaces for network input and output