A comprehensive collection of DevOps engineering notes, best practices, and practical guides for modern software delivery
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This repository serves as a comprehensive knowledge base for DevOps engineering practices, tools, and methodologies. Whether you're a beginner starting your DevOps journey or an experienced professional looking to refresh your knowledge, these notes provide practical insights and real-world examples.
- Production-Ready: All examples and configurations are tested and production-ready
 - Industry Standards: Following best practices from leading tech companies
 - Continuous Updates: Regularly updated with latest tools and methodologies
 - Community Driven: Contributions from experienced DevOps professionals
 
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| Module | Topics Covered | Skill Level | Est. Time | Status | 
|---|---|---|---|---|
| π§ Linux | File systems, User management, Networking, Shell scripting | Beginner to Advanced | 4-6 weeks | β Active | 
| π Git & GitHub | Version control, Branching, Merging, Collaboration workflows | Beginner to Intermediate | 2-3 weeks | β Active | 
| ποΈ Jenkins | CI/CD pipelines, Automation, Plugin management, Security | Intermediate to Advanced | 6-8 weeks | β Active | 
| π³ Docker | Containerization, Image optimization, Security, Commands | Intermediate | 3-4 weeks | β Active | 
| βοΈ Kubernetes | Container orchestration, Microservices, Interview prep | Advanced | 8-10 weeks | β Active | 
| π± Ansible | Configuration management, Playbooks, Automation | Intermediate | 4-5 weeks | β Active | 
| ποΈ Terraform | Infrastructure as Code, State management, Modules | Intermediate to Advanced | 5-6 weeks | β Active | 
| π Shell Scripting | Automation scripts, System administration, Task automation | Beginner to Intermediate | 3-4 weeks | β Active | 
| π GitLab | GitLab CI/CD, Container registry, Security scanning | Intermediate | 3-4 weeks | β Active | 
| π Networking | VPC, Subnets, Load Balancers, API Gateway, DNS | Intermediate | 4-5 weeks | β Active | 
# Ensure you have Git installed
git --version
# Clone this repository
git clone https://github.com/rohandeb2/Devops_Notes.git
cd Devops_Notesπ― For Beginners (0-1 years experience)
- 
Foundation (4-6 weeks)
- Start with Linux fundamentals
 - Learn Git & GitHub basics
 - Practice Shell Scripting
 
 - 
Containerization (3-4 weeks)
- Master Docker concepts
 - Build and deploy applications
 
 - 
CI/CD Introduction (4-6 weeks)
- Begin with Jenkins fundamentals
 - Create basic pipelines
 - Explore GitLab CI/CD
 
 
π― For Intermediate (1-3 years experience)
- 
Advanced CI/CD (6-8 weeks)
 - 
Infrastructure as Code (5-6 weeks)
- Learn Terraform for infrastructure provisioning
 - Implement Ansible for configuration management
 - Master Networking concepts
 
 - 
Container Orchestration (8-10 weeks)
- Master Kubernetes fundamentals
 - Implement microservices architecture
 - Prepare for technical interviews
 
 
π― For Advanced (3+ years experience)
- 
Enterprise Patterns
- Advanced Kubernetes patterns
 - Multi-cloud strategies with Terraform
 - Security and compliance automation
 
 - 
Platform Engineering
- Build internal developer platforms
 - Implement GitOps workflows
 - Advanced monitoring and observability
 
 - 
Interview Mastery
- Review Kubernetes interview preparation
 - Practice system design scenarios
 - Master troubleshooting techniques
 
 
Based on my comprehensive study notes, here's the complete learning path covering:
- VPC (Virtual Private Cloud) - Subnets, Routing, Security Groups
 - AWS Core Services - EC2, S3, IAM, RDS, ELB, Lambda, CloudWatch, CloudFront
 - Load Balancing - Application Load Balancer, Network Load Balancer, API Gateway
 - Database Management - RDS, DynamoDB, Database Migration Service
 
- AWS CloudFormation - Templates, Stacks, Nested Stacks
 - Terraform - Providers, Resources, Modules, State Management
 - HashiCorp Vault - Secrets Management, Policy Management
 
- Prometheus - Metrics Collection, AlertManager
 - Grafana - Dashboards, Visualization, Alerts
 - ELK Stack - Elasticsearch, Logstash, Kibana
 - Azure Monitor - Log Analytics, Application Insights
 
- AWS IAM - Policies, Roles, Users, Groups
 - Azure Active Directory - Identity Management, RBAC
 - Security Scanning - SAST, DAST, Container Security
 - Key Management - AWS KMS, Azure Key Vault, HashiCorp Vault
 
- Real-world examples and use cases
 - Production-ready configurations
 - Industry best practices and standards
 - Troubleshooting guides and solutions
 
- Interview preparation materials (especially Kubernetes)
 - Skill progression roadmaps
 - Industry insights and trends
 - Professional growth guidance
 
- Regular updates with latest tools
 - Community contributions and feedback
 - Hands-on exercises and projects
 - Integration with modern DevOps practices
 
We welcome contributions from the DevOps community! Here's how you can help:
| 
 Documentation Improve existing docs Add new tutorials  | 
 Code Examples Add practical examples Improve configurations  | 
 Bug Reports Report issues Suggest improvements  | 
- Fork the repository
 - Create a feature branch (
git checkout -b feature/amazing-feature) - Commit your changes (
git commit -m 'Add amazing feature') - Push to the branch (
git push origin feature/amazing-feature) - Open a Pull Request
 
- Follow existing documentation format
 - Include practical examples
 - Test all code snippets
 - Add clear explanations
 - Update table of contents if needed
 
- π― Comprehensive Coverage: 10+ major DevOps tools and practices
 - π Enterprise Ready: Production-tested configurations and examples
 - π Community Driven: Contributions from industry professionals
 - π Regular Updates: Monthly updates with latest practices
 - π Career Focused: Interview preparation and skill development guides
 - βοΈ Cloud Native: Complete AWS and Azure coverage
 - π Security First: Security best practices integrated throughout
 
- The DevOps Handbook
 - Continuous Delivery
 - Site Reliability Engineering
 - Building Microservices
 - Kubernetes: Up and Running
 
- AWS Certified DevOps Engineer - Professional
 - Azure DevOps Engineer Expert
 - Google Cloud Professional DevOps Engineer
 - Kubernetes Certified Administrator (CKA)
 - Jenkins Certified Engineer
 - HashiCorp Certified: Terraform Associate
 
| Type | Resource | Description | 
|---|---|---|
| π Bug Reports | GitHub Issues | Report bugs or technical issues | 
| π‘ Feature Requests | GitHub Issues | Suggest new features or improvements | 
| π¬ Discussions | GitHub Discussions | Community discussions and Q&A | 
| π§ Direct Contact | rohandeb2@example.com | For collaboration or direct queries | 
If you find this repository helpful, please consider:
This project is licensed under the MIT License - see the LICENSE file for details.
MIT License
Copyright (c) 2024 DevOps Engineering Notes
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Last Updated: September 2025 | Next Update: October 2025
