Introduction to Git and version control concepts

Installing and configuring Git

Creating and cloning repositories

Understanding Git workflow: add, commit, push, pull

Branching and merging strategies

Resolving merge conflicts

Working with remote repositories in Azure Repos

Using pull requests and code reviews in Azure DevOps

Initializing and configuring a Git repository

Cloning remote repositories

Staging changes using git add

Committing changes with meaningful messages

Viewing commit history and logs

Creating, switching, and deleting branches

Merging branches and resolving conflicts

Using Git commands: pull, push, fetch, rebase

Understanding Git branching strategies (Git Flow, Feature Branching)

Creating and managing branches in Azure Repos

Merging branches and handling merge conflicts

Setting branch policies (e.g., minimum reviewers, build validation)

Enforcing pull request workflows

Managing permissions at project, repo, and branch levels

Using security groups and access control in Azure DevOps

Restricting force pushes and direct commits to protected branches

Introduction to Continuous Integration and Continuous Deployment

Creating build pipelines in Azure Pipelines

YAML vs Classic pipeline configuration

Setting up triggers for automated builds

Creating release pipelines for application deployment

Using artifacts between build and release pipelines

Integrating tests into CI/CD pipelines

Approvals, gates, and deployment strategies (blue-green, canary)

Introduction to containerization and Docker concepts

Installing and setting up Docker environment

Creating Docker images using Dockerfile

Managing Docker containers: run, stop, remove

Working with Docker Hub and private registries

Building multi-stage Docker images for optimized builds

Docker networking and volume management

Integrating Docker with Azure DevOps pipelines for automated container builds and deployments

Introduction to container orchestration and Kubernetes fundamentals

Understanding Kubernetes architecture: Master, Nodes, Pods, and Services

Setting up a Kubernetes cluster (Minikube, Azure Kubernetes Service - AKS)

Deploying and managing applications using Pods and Deployments

Configuring Services, Ingress, and Load Balancing

Managing ConfigMaps and Secrets for application configuration

Scaling applications and rolling updates

Monitoring and troubleshooting Kubernetes clusters and workloads

Understanding build infrastructure and its components

Setting up build agents and agent pools in Azure DevOps

Configuring self-hosted vs. Microsoft-hosted agents

Managing build queues and parallelism

Securing build infrastructure and credentials

Integrating build infrastructure with source control and pipelines

Automating builds with triggers and schedules

Monitoring build performance, logs, and troubleshooting build failures

Introduction to package management and Azure Artifacts

Creating and managing feeds for NuGet, npm, Maven, and Python packages

Publishing packages to Azure Artifacts feeds

Consuming packages in Azure Pipelines and projects

Managing package versions and retention policies

Setting permissions and access controls for feeds

Integrating Azure Artifacts with CI/CD pipelines

Using upstream sources to proxy public registries for faster access

Introduction to Infrastructure as Code (IaC) and ARM templates

Understanding the structure and syntax of ARM templates

Creating reusable and parameterized ARM templates

Validating and testing ARM templates before deployment

Deploying ARM templates via Azure Portal, CLI, and PowerShell

Integrating ARM template deployments into Azure DevOps pipelines

Managing resource groups and deployment scopes

Handling template errors and troubleshooting deployments

Introduction to Infrastructure as Code (IaC) and Terraform fundamentals

Installing and configuring Terraform CLI

Understanding Terraform configuration files and syntax (HCL)

Writing Terraform scripts to provision Azure resources

Managing state files and remote backends

Using Terraform modules for reusable infrastructure code

Integrating Terraform with Azure DevOps pipelines for automated deployments

Best practices for versioning, security, and collaboration in Terraform projects

Introduction to Nagios and its role in IT infrastructure monitoring

Installing and configuring Nagios Core

Understanding Nagios architecture: server, plugins, and agents

Setting up monitoring for hosts, services, and network devices

Configuring alerts and notifications for incidents

Using Nagios plugins and custom scripts

Integrating Nagios with other tools and dashboards

Best practices for maintaining and scaling Nagios monitoring systems