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Automation & scripting

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

5 matches

Find Sensitive Information in Log Files with Python

Scan log files for emails, IP addresses, API keys, and passwords using regular expressions in Python.

import re
import os
from pathlib import Path

def find_sensitive_info(log_path):
    """Scans log files for patterns like emails, IPs, API keys, and passwords."""
    patterns = {
        'Email': r'[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}',
        'IP Address': r'\b(?:\d{1,3}\.){3}\d{1,3}\b',
        'API Key'…

18 0 Open

Automation & scripting medium

Generate Strong SSH Keys and Save Them Securely with Python

Generate a 4096-bit RSA SSH key pair using Python's cryptography library and save both private and public keys with restricted file permissions.

ssh key-generation cryptography

Python

import os
import stat
from pathlib import Path
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.backends import default_backend

def generate_ssh_keypair(key_path: str = "id_rsa", passphrase: str = None):
    """Generate a 4096-…

19 0 Open

Automation & scripting medium

How to Detect Recently Installed Software in Python

Uses subprocess to call pip and parse package metadata to list recently installed Python packages.

pip subprocess automation

Python

import subprocess
import sys
from datetime import datetime, timedelta

def detect_recently_installed(days=7):
    """Detect recently installed software packages."""
    recent_packages = []
    cutoff_date = datetime.now() - timedelta(days=days)
    
    try:
        # For pip-installed packages (Python packages)
    …

17 0 Open

Automation & scripting medium

How to Scan Configuration Files for Security Issues in Python

Automatically scan configuration files for common security mistakes using regex rules in Python.

security config regex

Python

import re
import os
from pathlib import Path

SECURITY_RULES = [
    (r'^#\s*INSECURE_', 'Insecure comment starts with # INSECURE_'),
    (r'password\s*=\s*("|\\\')?[^"\\\'"\s]+("|\\\')?$', 'Hardcoded password'),
    (r'debug\s*=\s*True', 'Debug mode enabled'),
    (r'[Pp]ermit[Rr]ootLogin\s+yes', 'PermitRootLogin ena…

23 0 Open

Automation & scripting medium

How to Scan Open Ports on a Host with Python

A Python function that uses socket.connect_ex to check for open TCP ports on a given host within a range and returns a list of open ports.

socket network port-scanning

Python

import socket

def scan_ports(host, start_port, end_port):
    open_ports = []
    for port in range(start_port, end_port + 1):
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        sock.settimeout(0.5)
        result = sock.connect_ex((host, port))
        if result == 0:
            open_ports.app…

23 0 Open

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