Mar 20 · 5 min read · The 5-Field Format Everyone Gets Wrong # Which of these runs daily at 2 AM? 0 2 * * * # ✅ Correct 2 0 * * * # ❌ Wrong (2 AM at minute 0? No, midnight at minute 2!) Answer: 0 2 * * * (minute=0, hour=2) Cron Format Breakdown ┌───────────── minute ...
Join discussionFeb 19 · 8 min read · Purpose of Day 2 The purpose of Day 2 is to move beyond writing scripts that run and start writing scripts that operate systems. In real environments, Bash is commonly used to: Take application backu
Join discussion
Jan 24 · 4 min read · We’ve all been there. You just finished writing a killer Python script to clean up your database or an important bash script to rotate logs. The hard work is done. Now you just need it to run automatically every Tuesday at 3:15 AM. You type crontab...
Join discussionSep 7, 2025 · 4 min read · Automation is at the heart of DevOps, SRE, and system administration. From cleaning up logs, rotating backups, triggering scripts, or even sending periodic reports — task scheduling is a fundamental requirement. Traditionally, cron has been the go-to...
Join discussion
Aug 17, 2025 · 3 min read · Today, I explored one of the most practical Linux skills yet: automating tasks with cron jobs. This is a feature that allows you to schedule tasks so that your system automatically executes them at specific times or events. Think of it as teaching yo...
Join discussionAug 10, 2025 · 3 min read · Last Blog Review → In the last blog we understood, how to write a shell script to get the read/write access of users to the github repository. Scenario → Consider we have a script to get the read and write access of users to GitHub repository, but we...
Join discussion
Aug 6, 2025 · 3 min read · Welcome to Week 3 of the 90DaysOfDevOps – 2025 Edition! This week was all about Shell Scripting — one of the most powerful tools in a DevOps engineer’s toolkit. 🧑💻⚙️ Let’s break down Linux automation using Bash scripts — for user management, backu...
Join discussion
Jul 23, 2025 · 2 min read · Sometimes I want to make sure my cron daemon is running, especially after a reboot or on a system where it might silently stop. Here's how I scripted that check, with two different approaches. Script 1: Check and Start cron (Clean and Verbose) #!/bin...
Join discussion
