DevOps & Cloud

Amazon Web Services Guide

Learn AWS: EC2, S3, Lambda, DynamoDB, API Gateway, CloudFront, and deploying web applications on Amazon Web Services cloud platform.

Git Basics — Complete Beginner's Step-by-Step Guide

Learn Git from zero — init, clone, add, commit, status, log, diff, and .gitignore explained simply with analogies, examples, and a hands-on mini project.

cPanel Hosting — Complete Website Management Guide

Master cPanel for web hosting — file management, databases, email, domains, SSL certificates, security tools, and automation with hands-on examples.

Git Branching & Merging — Complete Practical Guide

Master Git branches, merges, rebase, cherry-pick, and conflict resolution explained with analogies, diagrams, and a hands-on mini project.

Git Remote Repositories & GitHub — Complete Collaboration Guide

Master Git remotes — push, pull, fetch, SSH keys, forking, pull requests, and team collaboration workflows on GitHub with practical examples.

Git Undoing Changes — Complete Safety Net Guide

Fix any Git mistake — reset, revert, restore, stash, amend, and reflog recovery explained with analogies, decision trees, and hands-on practice.

Git Advanced Topics — Complete Power User Guide

Master Git tags, hooks, submodules, LFS, signing commits, CI/CD pipelines, aliases, and bundle — explained with analogies and practical examples.

Ansible Guide — Automation and Configuration Management

Master Ansible: automate server provisioning, configuration management, and application deployment with playbooks, roles, modules, and idempotent infrastructure.

Git Reference & Cheatsheet — Complete Command Guide

Comprehensive Git command reference — configuration, workflow, branching, remotes, undoing, and advanced commands in a quick-reference format.

Terraform Guide — Infrastructure as Code with HCL

Master Terraform: provision and manage cloud infrastructure with HashiCorp Configuration Language (HCL), providers, modules, state management, and the plan/apply workflow.

Prometheus and Grafana Guide — Monitoring and Observability

Master monitoring and observability with Prometheus for metrics collection and alerting, and Grafana for visualization and dashboards — the open-source stack for infrastructure monitoring.

GitHub Actions Guide — CI/CD Workflows for Modern Development

Master GitHub Actions: build CI/CD pipelines with workflows, triggers, matrix builds, marketplace actions, encrypted secrets, and self-hosted runners for automated testing and deployment.

Docker Compose Guide — Multi-Container Application Orchestration

Master Docker Compose: define and run multi-container applications with services, volumes, networks, environment variables, healthchecks, and profiles for development and production.

Puppet Guide — Infrastructure Automation and Configuration Management

Master Puppet: learn infrastructure automation with Puppet's master/agent architecture, manifests and classes, modules, Facter for system facts, Hiera for configuration data, and custom Types/Providers with the Puppet DSL.

Chef Guide — Infrastructure as Code with Cookbooks and Recipes

Master Chef: learn infrastructure automation with cookbooks and recipes, Chef Server/Workstation/Node architecture, resources, data bags, Ohai system facts, and Chef Infra Client convergence.

Monitoring Tools: Prometheus, Grafana, Datadog & More

Master monitoring with Prometheus for metrics, Grafana for dashboards, Datadog for SaaS observability — learn SLI/SLO monitoring, alerting rules, and choosing the right tool.

Centralized Logging: ELK Stack, Loki, and Best Practices

Learn centralized logging with ELK Stack and Grafana Loki — log aggregation, structured logging, log rotation, cost optimization, and searching and filtering techniques.

Site Reliability Engineering (SRE): Complete Guide

Learn SRE principles: error budgets, SLIs/SLOs/SLAs, toil reduction, automation, incident management, capacity planning, and implementing SRE practices in your organization.

Incident Response: Handling Production Outages

Learn incident response for production outages: severity levels, on-call rotations, runbooks, blameless postmortems, communication templates, and tools like PagerDuty and Opsgenie.

Chaos Engineering: Break Things on Purpose to Build Resilience

Learn chaos engineering: principles, Chaos Monkey, Gremlin, Litmus, running experiments, steady-state hypothesis, blast radius control, and production vs staging testing.

SLIs, SLOs, and SLAs: Measuring Reliability

Learn SLIs, SLOs, and SLAs: Service Level Indicators for latency/availability/error rate, SLO targets, error budgets, multi-window multi-burn-rate alerts, and reporting.