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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 easy

How to Save a VM Snapshot State to a JSON File in Python

Define a dataclass for a VM snapshot and serialize it to a JSON file, then reload it to verify the state.

json dataclass files

Python

import json
from dataclasses import dataclass, asdict
from pathlib import Path


@dataclass
class VMSnapshot:
    name: str
    memory_mb: int
    disk_gb: int
    state: str = "saved"

    def snapshot_to_file(self, path: Path) -> str:
        """Write snapshot state to a JSON file and return the filename."""
       …

13 0 Open

Automation & scripting medium

Scrape HTML Tables in Python with html.parser

Extract data from HTML tables using Python's built-in html.parser module, without third-party dependencies, by overriding callback methods to track table, row, and cell states.

html scraping parser

Python

import html.parser
from urllib.request import urlopen


class TableParser(html.parser.HTMLParser):
    def __init__(self):
        super().__init__()
        self.in_table = False
        self.in_row = False
        self.in_cell = False
        self.current_cell = []
        self.rows = []
        self.row = []

    d…

12 0 Open

Automation & scripting easy

Toggle VPN Mock Network Manager Script in Python

Simulate a VPN manager with connect, disconnect, toggle, and status methods for testing or demo workflows.

vpn simulation automation

Python

import time

class MockVPNManager:
    def __init__(self):
        self.is_connected = False
        self.servers = ["us-west", "eu-central", "asia-east"]
        self.active_server = None

    def toggle(self):
        if self.is_connected:
            self.disconnect()
        else:
            self.connect()

    d…

11 0 Open

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