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Automation & scripting

CLI tools, scheduled jobs, filesystem tasks, and glue scripts that save time.

4 matches

Find Zombie Processes on Linux with Python

Parse the output of `ps -eo pid,stat,comm` to detect processes in zombie state (Z) on a Linux system and report their PIDs and commands.

linux process monitoring

Python

#!/usr/bin/env python3
import os
import subprocess

def find_zombie_processes():
    """Find zombie processes (state 'Z') running on Linux."""
    try:
        result = subprocess.run(['ps', '-eo', 'pid,stat,comm'], capture_output=True, text=True, check=True)
        zombies = []
        for line in result.stdout.stri…

38 0 Open

Automation & scripting medium

How to Check SSL Certificate Expiry in Python

Connect to a host over TLS, extract the certificate's expiry date, and report days remaining using only the Python standard library.

ssl certificate socket

Python

import socket
import ssl
from datetime import datetime

def check_cert_expiry(hostname, port=443):
    context = ssl.create_default_context()
    with socket.create_connection((hostname, port), timeout=10) as sock:
        with context.wrap_socket(sock, server_hostname=hostname) as tls_sock:
            cert = tls_soc…

16 0 Open

Automation & scripting medium

How to Detect Applications Consuming Excessive Memory in Python

Use psutil to list the top memory-using processes by RSS and print their names, PIDs, and memory usage in MB.

psutil memory monitoring

Python

import psutil

def find_top_memory_processes(limit=5):
    """Return top `limit` processes by memory usage (RSS)."""
    processes = []

    for proc in psutil.process_iter(['pid', 'name', 'memory_info']):
        try:
            info = proc.info
            mem = info['memory_info'].rss if info['memory_info'] else 0…

36 0 Open

Automation & scripting medium

How to Monitor Laptop Battery Health Over Time in Python

Log battery percentage, power status, and remaining time every N seconds to a JSON file using psutil for ongoing health monitoring.

psutil battery monitoring

Python

import time
import json
from pathlib import Path
from datetime import datetime

try:
    import psutil
except ImportError:
    print("psutil required: pip install psutil")
    exit(1)

LOG_FILE = Path("battery_health_log.json")

def monitor_battery(log_interval=60, duration=300):
    """Log battery percentage and rema…

38 0 Open

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