Raspberry Pi ile Network Monitor

Proje Hedefi

Ev agindaki cihazlari izleyen, yeni cihaz baglandiginda bildirim gonderen hafif bir sistem.

Kurulum

sudo apt install nmap python3-pip sqlite3 -y
pip3 install python-nmap schedule

Ana Script

import nmap, sqlite3, schedule, time
from datetime import datetime

def scan_network(subnet='192.168.1.0/24'):
    nm = nmap.PortScanner()
    nm.scan(hosts=subnet, arguments='-sn')
    return [{'ip': h, 'mac': nm[h]['addresses'].get('mac','?')} for h in nm.all_hosts()]

def job():
    devices = scan_network()
    print(f'{datetime.now()}: {len(devices)} cihaz')

schedule.every(5).minutes.do(job)
while True:
    schedule.run_pending()
    time.sleep(1)

Systemd Servisi

[Unit]
Description=Network Monitor
After=network.target

[Service]
ExecStart=/usr/bin/python3 /home/pi/monitor.py
Restart=always

[Install]
WantedBy=multi-user.target

sudo systemctl enable --now network-monitor