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Automation & scripting

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

5 matches

Aggregate Log Errors Count by Hour in Python

Counts ERROR log lines per hour using regex and Counter, returning a sorted dictionary of hourly totals.

import re
from collections import Counter
from datetime import datetime

def aggregate_errors_by_hour(log_lines):
    pattern = re.compile(r'^(\d{4}-\d{2}-\d{2} \d{2}):\d{2}:\d{2}.*ERROR')
    hourly_counts = Counter()
    
    for line in log_lines:
        match = pattern.match(line)
        if match:
            ho…

20 0 Open

Automation & scripting easy

Automatically Log CPU, RAM, and Disk Usage Every Minute in Python

This script logs CPU, RAM, and disk usage to a CSV file every 60 seconds using psutil and Python's standard library.

psutil automation monitoring

Python

import psutil
import time
import csv
from pathlib import Path

LOG_FILE = Path("system_usage_log.csv")
INTERVAL_SECONDS = 60

def log_system_usage():
    """Write CPU, RAM, and disk usage to CSV every minute."""
    file_exists = LOG_FILE.exists()
    with open(LOG_FILE, mode="a", newline="") as f:
        writer = cs…

50 0 Open

Automation & scripting easy

Generate a Monthly Report CSV from Log Files in Python

Reads a CSV log file, filters events by a given month, aggregates daily event counts and revenue, and writes a summarized monthly report to a new CSV.

csv logs report

Python

import csv
from collections import defaultdict
from datetime import datetime

def generate_monthly_report(log_file: str, month: str, output_file: str) -> None:
    events_by_date = defaultdict(int)
    revenue_by_date = defaultdict(float)
    
    with open(log_file, 'r') as f:
        for line in f:
            date_…

14 0 Open

Automation & scripting medium

Python: Archive Old Logs by Compressing Gzip by Age

A Python script that finds .log files older than a specified age and compresses them into .gz archives while removing the originals.

gzip log-rotation automation

Python

import gzip
import os
import shutil
from pathlib import Path


def archive_logs(log_dir: str, max_age_days: int) -> list[str]:
    """Compress log files older than max_age_days into .gz archives.
    
    Returns a list of compressed file paths.
    """
    cutoff = time.time() - max_age_days * 86400
    compressed = …

14 0 Open

Automation & scripting medium

Track Internet Connectivity and Downtime Automatically in Python

Monitors internet connectivity by pinging a remote host and logs any downtime events with timestamps and duration.

internet connectivity monitoring

Python

import time
import subprocess
from datetime import datetime

def check_internet(host="8.8.8.8", timeout=3):
    """Returns True if internet is reachable via ping."""
    try:
        subprocess.run(
            ["ping", "-c", "1", "-W", str(timeout), host],
            capture_output=True,
            timeout=timeout …

37 0 Open

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