This repository contains my learning materials, study notes, and code snippets from my DevOps learning journey. It serves as a comprehensive reference for various DevOps tools, technologies, and best practices.

This project is focused on documenting my learning curve as I explore DevOps topics. Here you'll find study notes, practical exercises, code snippets, and configuration files that help me work with various DevOps tools and technologies.

Configuration management and automation exercises using Ansible.

• vprofile/ - A comprehensive project with 17 progressive exercises covering:
  • Inventory management
  • Ad-hoc commands
  • Playbooks
  • Templates (Jinja2)
  • Roles and modularization
  • Group variables
  • AWS integration
• test-aws.yml - AWS testing playbook

Amazon Web Services resources and configurations.

• EC2/ - EC2 instance management with Terraform
• Lambda/ - Lambda function code and IAM policies
  • Security Group Compliance checker (Python)
• S3-Policy/ - S3 bucket policies for ELB access logging
• VPC/ - Virtual Private Cloud configurations
• Buildspec/ - AWS CodeBuild buildspec files
• Study/ - AWS study materials and PDFs

Shell scripting exercises and automation scripts.

• Vagrantfile - Vagrant configuration for scripting practice

Docker and containerization examples.

• compose/ - Docker Compose examples
• emartapp/ - Full-stack e-commerce application containerized
  • Multi-service architecture (client, nodeapi, javaapi)
  • Docker Compose orchestration
  • Jenkins CI/CD pipeline
  • Kubernetes manifests (kkartchart)
• Study Notes/ - Containerization study materials
• Vagrantfile - Vagrant setup for container environments

Linux command reference and study notes.

• 1-13. linux commands.txt - Comprehensive Linux command notes
• Study/ - Linux study materials and PDFs

Monitoring and observability stack setup and configurations.

• Grafana - Visualization and dashboard setup scripts
• Prometheus - Metrics collection and monitoring
• Loki - Log aggregation system
• Promtail - Log shipper configuration
• Alloy - Grafana Alloy configuration
• titan/ - Sample web application for monitoring
• Study-Resources/ - Monitoring study materials and reference sheets

Infrastructure as Code exercises using Terraform.

• Exercise1-6/ - Progressive Terraform exercises covering:
  • Basic resource creation
  • Variables and outputs
  • Security groups
  • EC2 instances
  • Key pairs
  • Remote state backend configuration
• Study-Notes/ - Terraform study materials

• Configuration Management: Ansible
• Cloud Provider: AWS (EC2, Lambda, S3, VPC)
• Infrastructure as Code: Terraform
• Containerization: Docker, Docker Compose
• Orchestration: Kubernetes
• CI/CD: Jenkins, AWS CodeBuild
• Monitoring: Prometheus, Grafana, Loki
• Scripting: Bash, Python
• Operating Systems: Linux

Each directory contains specific exercises and examples. Navigate to the relevant directory to explore:

• Exercises - Follow numbered exercises for progressive learning
• Study Notes - Reference materials and documentation
• Code Snippets - Reusable configurations and scripts

The repository is organized to follow a logical learning progression:

1. Linux Fundamentals - Command-line basics
2. Bash Scripting - Automation fundamentals
3. Terraform - Infrastructure as Code
4. AWS - Cloud platform services
5. Ansible - Configuration management
6. Containers - Docker and containerization
7. Monitoring - Observability and monitoring stacks

• This is a personal learning repository
• Code snippets and configurations are for educational purposes
• Some configurations may need adjustment for your specific environment
• Always review and test configurations before using in production

Study materials and PDFs are included in respective directories for reference.

Note: This repository is continuously updated as I progress through my DevOps learning journey.