What is DevOps?
DevOps is a cultural and professional movement that emphasizes collaboration between Development and Operations teams. It focuses on:
- Automating software delivery processes
- Implementing continuous integration/deployment (CI/CD)
- Breaking down silos between teams
- Creating a culture of shared responsibility
- Improving speed and reliability of software delivery
Learning Path
1. Fundamental Concepts
Free Resources:
-
DevOps Fundamentals
- DevOps.com Learning Portal - Free articles and webinars
- Microsoft Learn: DevOps Fundamentals - Free course
- IBM DevOps Basics - Comprehensive guide
Essential Books (Available as free summaries/excerpts):
- "The Phoenix Project" - Gene Kim (Introduction available free)
- "The DevOps Handbook" (Sample chapters available)
- "Site Reliability Engineering" by Google (Free online version)
2. Technical Foundation
Operating Systems
-
Linux Essentials
- Linux Foundation's Introduction to Linux - Free course
- Linux Journey - Interactive learning
- Linux Command Line Basics - Ubuntu tutorials
Programming/Scripting
-
Python
- Automate the Boring Stuff with Python - Free online book
- Python for DevOps - YouTube series
-
Shell Scripting
- Shell Scripting Tutorial - Free guide
- Bash Academy - Interactive learning
3. Essential Tools & Technologies
Version Control
-
Git
- Git Documentation - Official docs
- GitHub Learning Lab - Interactive tutorials
- GitLab Learning - Free resources
Containerization
-
Docker
- Docker Getting Started - Official tutorial
- Play with Docker - Free playground
- Docker Labs - Hands-on tutorials
Container Orchestration
-
Kubernetes
- Kubernetes Documentation - Official tutorials
- Kubernetes By Example - Free interactive learning
- Katacoda - Interactive browser-based labs
Infrastructure as Code
-
Terraform
- HashiCorp Learn - Official tutorials
- Terraform Up & Running - Free guide
-
Ansible
- Ansible Documentation - Official getting started
- Ansible for DevOps - Free examples
4. CI/CD
-
Jenkins
- Jenkins Handbook - Official documentation
- Jenkins Pipeline Tutorial - Free guide
-
GitHub Actions
- GitHub Actions Documentation - Official docs
- GitHub Actions Learning Path - Free course
5. Monitoring & Logging
-
Prometheus & Grafana
- Prometheus Getting Started - Official guide
- Grafana Fundamentals - Free tutorials
-
ELK Stack
- Elastic Stack Tutorial - Official documentation
- ELK Stack Tutorial for Beginners - Free guide
Practice Projects
-
Basic Pipeline Project
- Create a simple web application
- Set up Git repository
- Implement CI/CD pipeline using GitHub Actions
- Deploy to a cloud platform (AWS/GCP/Azure free tier)
-
Container Orchestration Project
- Containerize a multi-service application
- Create Kubernetes manifests
- Set up monitoring with Prometheus/Grafana
- Implement logging with ELK stack
-
Infrastructure as Code Project
- Write Terraform code for cloud infrastructure
- Implement configuration management with Ansible
- Create automated deployment pipeline
Learning Communities
Free Cloud Resources
Best Practices
- Start with fundamentals before diving into tools
- Practice regularly with hands-on projects
- Join communities and participate in discussions
- Follow DevOps blogs and YouTube channels
- Create a home lab for experimentation
- Contribute to open source projects
- Document your learning journey
- Focus on automation and infrastructure as code
- Learn about security best practices
- Understand monitoring and observability
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