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Automation

Ansible Master Class

Engineering-Grade Reference Manual for Ansible

18 min read
Cloud

AWS CLI Commands Master Class

Engineering-Grade Reference Manual for AWS CLI

7 min read
Cloud

Azure CLI Commands Master Class

Engineering-grade reference manual for Azure CLI operations across resource groups, compute, storage, networking, AKS, Functions, Monitor, Key Vault, and Azure DevOps.

7 min read
Quick Reference

DevOps Cheat Sheets Collection

Quick Reference Cards for All Master Classes

4 min read
CI/CD

CI/CD Pipeline Patterns Master Class

Engineering-Grade Reference Manual for CI/CD Pipelines

21 min read
Edge Networking

Cloudflare Infrastructure Master Class

Engineering-grade reference manual for Cloudflare infrastructure operations across DNS, tunnels, Zero Trust Access, WAF rules, cache controls, certificates, and observability.

2 min read
Microsoft Cloud

Conditional Access Master Class

Production-ready Microsoft Entra Conditional Access guide for safe report-only validation, break-glass protection, staged enforcement, policy templates, monitoring, and rollback.

4 min read
Databases

Database Administration Master Class

Engineering-Grade Reference Manual for Database Administration

4 min read
Containers

Docker Commands Master Class

Engineering-Grade Reference Manual for Docker

9 min read
Version Control

Git Advanced Workflows Master Class

Engineering-Grade Reference Manual for Git

21 min read
Reference

DevOps Glossary

Comprehensive DevOps Terminology Reference

6 min read
Cloud

Google Cloud Platform Infrastructure Master Class

Engineering-grade reference manual for GCP infrastructure operations across projects, IAM, VPC networks, firewall rules, routes, load balancing, Cloud NAT, Cloud DNS, logging, packet mirroring, and Network Intelligence Center.

4 min read
Security

HashiCorp Vault Operations Master Class

Production-focused reference for operating HashiCorp Vault safely: health checks, authentication, secrets engines, policies, tokens, leases, audit devices, snapshots, and recovery workflows.

4 min read
Containers

Kubernetes Master Class

Engineering-Grade Reference Manual for Kubernetes

21 min read
Systems

Linux System Administration Master Class

Engineering-Grade Reference Manual for Linux System Administration

21 min read
Microsoft Cloud

Microsoft 365 Administration Master Class

Practical Microsoft 365 operations guide for tenant administration, Exchange Online, Teams, SharePoint, OneDrive, licensing, Purview, audit evidence, and safe governance workflows.

4 min read
Microsoft Cloud

Microsoft Cloud Identity & Security Master Class

Practical operator guide for Microsoft Entra ID, Microsoft 365 administration, Conditional Access, Microsoft Graph PowerShell, and safe identity-security rollout patterns.

4 min read
Operations

Monitoring & Observability Master Class

Engineering-Grade Reference Manual for Monitoring & Observability

7 min read
Networking

Networking Fundamentals Master Class

Engineering-grade reference manual for TCP/IP, DNS, routing, subnetting, load balancing, VPNs, CDN behavior, and network troubleshooting.

6 min read
Infrastructure as Code

OpenTofu Infrastructure as Code Master Class

Engineering-grade reference manual for OpenTofu infrastructure operations: init, format, validate, plan, state inspection, workspaces, modules, providers, and safe apply workflows.

2 min read
Virtualization

Proxmox VE Infrastructure Master Class

Engineering-grade reference manual for Proxmox VE operations across nodes, clusters, storage, networking, virtual machines, containers, snapshots, backups, and read-only health checks.

2 min read
Automation

Python for DevOps Master Class

Engineering-Grade Reference Manual for Python in DevOps

3 min read
Scenarios

Real-World DevOps Scenarios

Practical Integration Guide

15 min read
Web Infrastructure

Reverse Proxy Operations Master Class

Production operations reference for NGINX, Traefik, and Caddy: configuration validation, routing, TLS, upstream health, observability, safe reloads, troubleshooting, and rollback.

5 min read
Security

Security & Compliance Master Class

Engineering-grade reference manual for practical DevOps security, compliance controls, and audit-ready automation.

7 min read
Service Mesh

Service Mesh Master Class

Engineering-grade reference manual for Istio, Linkerd, Consul, traffic management, mTLS, observability, and production service-mesh operations.

7 min read
Automation

Shell Scripting (Bash) Master Class

Engineering-Grade Reference Manual for Bash Scripting

5 min read
Infrastructure as Code

Terraform with Azure Master Class

Engineering-Grade Reference Manual for Terraform & Microsoft Azure

18 min read
Troubleshooting

DevOps Troubleshooting Guide

Common Problems and Solutions

4 min read
Virtualization

VMware PowerCLI Master Class

Engineering-grade reference manual for VMware vSphere operations with PowerCLI: connection context, inventory, VM lifecycle, networking, datastores, snapshots, templates, and evidence collection.

2 min read
Windows Server

Windows Server PowerShell Master Class

Engineering-grade reference manual for Windows Server operations with PowerShell: discovery, services, networking, roles, events, storage, Active Directory checks, remoting, and safe administration.

2 min read