Module 1: Foundations & Essentials

1.Linux Essentials & System Administration

• Introduction to Linux &Installation
• Command Line Basics
• File System Navigation & Permissions
• Managing Packages & Repositories
• Users, Groups & Permissions
• Bash Scripting Basics (Including CronJobs)
• System Services, Logs & Monitoring Basics
• Troubleshooting & Process Management
• Backup, Compression & Recovery
• Secure Shell (SSH) & Secure Copy (SCP)

2. DevOps Culture & Practices

• What is DevOps? Principles & SDLC
• DevOps Tools Overview
• Agile & Continuous Delivery
• Collaboration & Communication

3. Git & Version Control

• Introduction to Git & GitHub
• Git Commands
• Branching, Merging & Rebasing
• Collaboration Workflow (Gitflow)

4. Web Servers Overview

• What is a Web Server?
• Introduction to NGINX
• Setup & Differences

5. Python for DevOps

• Python Basics: Variables, Control Flow, Functions
• Scripting for Automation
• Basic File & Network Handling

6. Databases for DevOps

• Intro to Databases (SQL vs NoSQL)
• Using MySQL: Queries and CLI

7. Networking Fundamentals

• OSI Model, TCP/IP Basics
• Ports, Protocols & DNS
• Subnetting Overview
• HTTP Methods
• Troubleshooting with CLI Tools

8. Kubernetes

• Intro to Kubernetes & Architecture
• Pods, Deployments, ReplicaSets
• StatefulSetsandDaemonSets
• Services & Networking
• ConfigMaps & Secrets
• Volumes in K8s
• Helm: Charts, Repos,Installation
• tOps
• Introduction to GitOps
• GitOpsPrinciples(Declarative,Versioned,Automated)
• GitOps Tools (ArgoCD, Flux)
• Deploying Applications with ArgoCD
• GitOps vs Traditional CI/CD

9. Cloud Fundamentals

• What is Cloud Computing?
• Public vs Private vs Multi-Cloud
• Comparing AWS, GCP, Azure (Overview Only)

10. AWS Essentials

• Creating an AWS Account
• IAM: Users, Roles, and Policies
• EC2: Launch, Connect, and Secure
• S3: Buckets & Access Control
• Load Balancing Basics
• Introduction to CloudWatch (Metrics + Logs)
• Intro to AWS CLI

11. Jenkins & CI/CD

• What is CI/CD?
• Jenkins Installation & Jobs
• Pipelines with Jenkinsfiles
• Build Triggers, Webhooks, Notifications
• Managing Credentials
• Jenkins Best Practices

12. Modern CI/CD Tools

• GitLab CI/CD Overview

13. Terraform Essentials

• What is IaC?
• Terraform
• Providers, Resources & Variables
• Terraform State Basics
• Simple Module Usage

14. Ansible Automation

• What is Ansible?
• Playbooks & Inventory
• Basic Commands & Modules
• SSH Setup & Configuration
• Install Packages, Manage Files Remotely

15. Monitoring

• Introduction to Prometheus
• Architecture & Data Model
• Installing Prometheus (Kubernetes-based setup)
• Scraping Targets (Node Exporter, App Metrics)
• Introduction to Grafana
• Connecting to Prometheus
• Building Dashboards
• Alerts & Notifications

16. GitOps

• Introduction to GitOps
• GitOps Principles.
• GitOps Tools (ArgoCD , Flux).
• GitOps vs Traditional CI / CS.
• GitOps Best Practices.