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Automation & scripting medium

How to Detect Network Interface Changes in Python

Monitor active network interfaces and print a message when an interface is added or removed using psutil and socket.

network monitoring psutil
Python 
import socket
import psutil
import time

def get_network_interfaces():
    """Return a set of currently active interface names."""
    active_ifaces = set()
    for iface, addrs in psutil.net_if_addrs().items():
        for addr in addrs:
            if addr.family == socket.AF_INET:  # IPv4 address present
          …
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