DevOps Roadmap & Resources - Free


 

DevOps Roadmap 2025

(Beginner → Intermediate → Advanced)


DevOps Notes, Projects & Interview Questions

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1. Fundamentals (Basics)

Before diving into DevOps tools, understand these concepts:

  • Operating System Basics – Linux is must

    • Commands: ls, cd, mkdir, chmod, grep, find, top, ps, etc.

    • File permissions & process management

  • Networking Basics

    • IP, DNS, HTTP/HTTPS, Load Balancer, Proxy, Firewall

  • System Administration

    • Package management (apt, yum)

    • Managing services

  • Scripting Basics

    • Bash scripting (must learn)

    • Python basics (for automation)

  • 📌 Resources:

  • Linux – Linux Journey

  • Networking – Computer Networking Basics (freeCodeCamp)

2. Version Control (Git & GitHub/GitLab/Bitbucket)

Learn how to manage code & configuration:

  • Git commands: clone, branch, merge, pull, push, rebase

  • Git branching strategies

  • Using GitHub Actions for automation

📌 Resources:

3. Build & Dependency Management

Understand how software is built and packaged:

  • Maven / Gradle (Java)

  • npm / yarn (JavaScript)

  • pip (Python)

4. Continuous Integration (CI) Tools

Learn to automate builds & testing:

  • Jenkins (most popular)

  • GitHub Actions

  • GitLab CI/CD

  • CircleCI

  • Azure DevOps Pipelines

📌 Practice:

  • Set up a Jenkins pipeline to build & test a sample project.

5. Containerization (Docker)

Docker is mandatory for DevOps:

  • What are containers vs VMs

  • Docker commands:

    • docker run, docker ps, docker images, docker build, docker exec

  • Writing Dockerfiles

  • Docker Compose

📌 Resources:

6. Container Orchestration (Kubernetes - K8s)

For scaling & managing containers:

  • Kubernetes basics: Pods, ReplicaSets, Deployments, Services

  • ConfigMaps, Secrets, Namespaces

  • Helm charts

  • Minikube / Kind for local practice

  • Managed services: GKE, EKS, AKS

📌 Resources:

7. Cloud Platforms

At least one cloud provider is a must:

  • AWS (recommended)

    • EC2, S3, IAM, VPC, RDS, CloudWatch

  • Azure (if working on Microsoft stack)

  • GCP (for startups and ML projects)

📌 Resources:

8. Infrastructure as Code (IaC)

Automate infrastructure provisioning:

  • Terraform (most important)

  • AWS CloudFormation (optional)

  • Ansible (for configuration management)

9. Monitoring & Logging

Learn to monitor applications and infrastructure:

  • Prometheus + Grafana (metrics & dashboards)

  • ELK Stack (Elasticsearch, Logstash, Kibana)

  • CloudWatch, Datadog, New Relic (optional)

10. Security & DevSecOps

Basic security practices for DevOps:

  • Secrets management: Vault, Kubernetes Secrets

  • Image scanning: Trivy

  • Code scanning: SonarQube

11. Advanced Tools & Practices

  • ArgoCD → GitOps deployments

  • Service Mesh → Istio, Linkerd

  • Serverless → AWS Lambda, Azure Functions

  • CI/CD Best Practices

  • Cost optimization in cloud

12. Real-Time Projects to Build

To get job-ready, practice these:

  • Deploy a 3-tier app using Docker & Kubernetes

  • Create a CI/CD pipeline with Jenkins

  • Host a static website on AWS S3 + CloudFront

  • Automate server provisioning using Terraform + Ansible

  • Set up monitoring using Prometheus + Grafana