DevOps Notes

A Complete DevOps Learning Repository

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📖 About

This repository documents my complete DevOps learning journey, covering everything from Linux fundamentals to production-ready DevOps practices.

Unlike scattered notes, this repository follows a structured roadmap designed to build a strong foundation while documenting real-world concepts and hands-on experience.

Each topic includes:

• 📚 Beginner-friendly explanations
• 💻 Practical commands
• ⚙️ Hands-on examples
• 🏗️ Real-world workflows
• 🎯 Interview preparation
• 📝 Personal learning notes

The goal is to create a centralized knowledge base that I can continuously improve and revisit throughout my DevOps career.

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🛠 Tech Stack

Technologies Covered

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📚 Learning Roadmap

DevOps
│
├── 🐧 Linux ✅
│
├── 🌿 Git & GitHub ✅
│
├── 🐳 Docker ✅
│
├── ⚙ Jenkins ✅
│
├── 🔄 GitLab CI/CD 🚧
│
├── ☸ Kubernetes ⏳
│
├── 🏗 Terraform ⏳
│
├── 🔧 Ansible ⏳
│
├── ☁ AWS ⏳
│
├── 📈 Monitoring ⏳
│     ├── Grafana
│     └── Prometheus
│
├── 🔒 DevSecOps ⏳
│
└── 🎯 Interview Preparation

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📂 Repository Structure

DevOps_Notes/

├── Linux/
├── Git/
├── Docker/
├── Jenkins/
├── GitLab-CI-CD/
├── Kubernetes/
├── Terraform/
├── Ansible/
├── AWS/
├── Monitoring/
├── DevSecOps/
├── Interview Questions/
└── README.md

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🎯 Topics Covered

✅ 🐧 Linux

• Linux Fundamentals
• Linux Commands
• File System
• Users & Permissions
• Process Management
• Networking
• Package Managers
• Shell Scripting
• Systemd
• SSH

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✅ 🌿 Git & GitHub

• Git Basics
• Branching
• Merging
• Rebase
• Cherry Pick
• Stash
• GitHub Workflow
• Pull Requests

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✅ 🐳 Docker

• Docker Basics
• Images
• Containers
• Dockerfile
• Docker Compose
• Networking
• Volumes
• Docker Hub

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✅ ⚙ Jenkins

• Jenkins Installation
• Jenkins Architecture
• Freestyle Jobs
• Declarative Pipelines
• Scripted Pipelines
• Plugins & Integration
• Jenkins Security
• Distributed Builds

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🚧 🔄 GitLab CI/CD

• GitLab Basics
• .gitlab-ci.yml Configuration
• Pipelines & Stages
• CI/CD Best Practices
• GitLab Runner
• Deployment Workflows

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⏳ ☸ Kubernetes

• Pods
• ReplicaSets
• Deployments
• Services
• ConfigMaps
• Secrets
• Ingress
• Helm

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⏳ 🏗 Terraform

• Terraform Basics
• HCL Syntax
• State Management
• Modules
• AWS Resources
• Best Practices

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⏳ 🔧 Ansible

• Ansible Basics
• Playbooks
• Roles
• Inventory
• Variables
• Handlers

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⏳ ☁ AWS

• AWS Fundamentals
• EC2
• IAM
• S3
• VPC
• Load Balancer

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⏳ 📈 Monitoring

• Grafana
• Prometheus
• Metrics
• Dashboards
• Alerting

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⏳ 🔒 DevSecOps

• OWASP
• Trivy
• SAST
• DAST
• Secrets Management
• Container Security

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🚀 Learning Goals

• ✅ Master Linux
• ✅ Become proficient in Git & GitHub
• ✅ Learn Docker deeply
• ✅ Understand Jenkins
• 🚧 Continue GitLab CI/CD
• ⏳ Understand Kubernetes
• ⏳ Learn Infrastructure as Code
• ⏳ Deploy Applications on AWS
• ⏳ Learn Monitoring & Logging
• ⏳ Understand DevSecOps
• ⏳ Prepare for DevOps Interviews

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📈 Repository Progress

Module	Progress	Status
🐧 Linux	🟢 Completed	✅ Done
🌿 Git & GitHub	🟢 Completed	✅ Done
🐳 Docker	🟢 Completed	✅ Done
⚙ Jenkins	🟢 Completed	✅ Done
🔄 GitLab CI/CD	🟡 In Progress	🚧 Continuing
☸ Kubernetes	⚪ Upcoming	⏳ Planned
🏗 Terraform	⚪ Upcoming	⏳ Planned
🔧 Ansible	⚪ Upcoming	⏳ Planned
☁ AWS	⚪ Upcoming	⏳ Planned
📈 Monitoring	⚪ Upcoming	⏳ Planned
🔒 DevSecOps	⚪ Upcoming	⏳ Planned

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🤝 Contributions

Contributions are always welcome.

If you have better explanations, improvements, or additional resources, feel free to:

• ⭐ Star the repository
• 🍴 Fork the repository
• 🐞 Open an Issue
• 🚀 Submit a Pull Request

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⭐ Support

If this repository helps you in your DevOps journey, please consider giving it a ⭐ Star.

It motivates me to keep documenting and sharing my learning.

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Happy Learning!