Shell Scripting in One Shot | 3 Live Projects For DevOps

By TrainWithShubham

Master essential shell scripting and Linux administration techniques tailored for modern DevOps workflows. Learn to automate tasks, manage cloud infrastructure on AWS, build robust deployment pipelines, and execute real-world operational projects from scratch.

Table of Contents

Shell Scripting in One Shot | 3 Live Projects For DevOps

Table of Contents

Intro & Overview

Why Learn Shell Scripting?

Basics: Loops, Variables, Input

Advanced: Automation, Logging, Backups

Projects: AWS, Logs, Cron Jobs

What is Shell Scripting?

Kernel & Linux Overview

Essential Commands (echo, mkdir, ls, cat)

Shell History: Bourne Shell (sh) to Bash

Setup on AWS EC2

SSH Key Setup & File Permissions

File Ownership & Permissions (chown, chmod)

Secure Remote Connections (ssh, scp)

Choosing a Text Editor (Vim, Nano, VS Code)

Creating & Executing Scripts (chmod, shebang)

Handling Errors & Debugging Scripts

Variables & Scope in Shell Scripting

User Input & Validation with read

Command Substitution & Expressions

Redirecting Input & Output

Understanding Arguments ($0, $1, $2, $#)

Conditional Statements (if-else, case)

Loops in Shell Scripting (for, while, nested)

Writing Functions in Shell

Returning Values & Function Scope

System Monitoring (CPU, Memory, Processes)

Background Jobs & Process Management

Scheduling Tasks with Cron Jobs

Log Rotation & Cleanup Scripts

Text Processing with sed, grep, awk

Debugging Scripts (set -x, bash -x, trap)

Script Security Best Practices & File Permissions

API Integration (curl, wget)

Deployment & CI/CD Automation

AWS CLI for Cloud Automation

Storage & Disk Management Commands (df, du, lsblk)

Log Analysis Scripts for Troubleshooting

Managing Services & Background Jobs (systemctl, nohup)

Final Project & Key Takeaways