Linux introduction and history

Key differences: Windows, macOS, and Linux

Installation of Linux distributions

File system and directory structure

Basic Linux commands

User and group management, permissions

Shell scripting fundamentals

Storage configuration and partitioning

Archiving, compression, and backup tools

System monitoring utilities

Job scheduling with cron

Managing services and daemons

Package management (rpm, yum, apt)

Introduction to version control

Installing and configuring Git

Creating and initializing repositories

Git workflow basics (add, commit, status)

Branching and merging

Comparing changes (diff, logs)

Cloning repositories

SSH keys for secure Git operations

Remote repositories (GitHub, GitLab)

Introduction to Docker and containerization concepts

Installing and configuring Docker on Linux

Managing Docker versions (install, upgrade, downgrade)

Working with Docker images

Managing Docker containers

Dockerfile basics

Docker Compose for multi-container apps

Storage and logging drivers

Docker Swarm overview

Docker Networking fundamentals

Docker Services and Volumes

Comparison: Docker Swarm vs Kubernetes

Introduction and need for Kubernetes

Microservices and container orchestration concepts

Kubernetes architecture and cluster setup

API server, scheduler, etcd, and worker nodes

Pods, labels, selectors, ReplicaSets

Deployments, jobs, and services

Declarative vs imperative configuration

YAML manifests and kubectl usage

Health checks (liveness & readiness probes)

Logging and monitoring pods

Resource limits and scheduling policies

Rolling updates and rollbacks

Scaling applications

Self-healing applications

Persistent volumes and claims

Access modes and storage classes

Configuring persistent storage for apps

Pod networking basics

Cluster networking and load balancing

Ingress controllers and rules

Debugging pod failures

Troubleshooting cluster and networking issues

Managed Kubernetes (EKS, AKS, GKE)

CKAD/CKA exam guide

Introduction to Jenkins

Installation and configuration

Plugins and integrations

Freestyle jobs and pipelines

Integration with Git

Jenkinsfile for pipeline as code

Security and role-based access

Building CI/CD pipeline

What is Ansible and why use it

Installing and configuring Ansible

Inventory management

YAML syntax and playbooks

Modules: command, shell, file, package

Variables, handlers, and templates

Managing SSH and sudo access

Best practices for automation