Search
Find commands and guides
Ansible Master Class
Engineering-Grade Reference Manual for Ansible
18 min readCloudAWS CLI Commands Master Class
Engineering-Grade Reference Manual for AWS CLI
7 min readCloudAzure 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 readQuick ReferenceDevOps Cheat Sheets Collection
Quick Reference Cards for All Master Classes
4 min readCI/CDCI/CD Pipeline Patterns Master Class
Engineering-Grade Reference Manual for CI/CD Pipelines
21 min readEdge NetworkingCloudflare 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 readMicrosoft CloudConditional 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 readDatabasesDatabase Administration Master Class
Engineering-Grade Reference Manual for Database Administration
4 min readContainersDocker Commands Master Class
Engineering-Grade Reference Manual for Docker
9 min readVersion ControlGit Advanced Workflows Master Class
Engineering-Grade Reference Manual for Git
21 min readReferenceDevOps Glossary
Comprehensive DevOps Terminology Reference
6 min readCloudGoogle 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 readSecurityHashiCorp 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 readContainersKubernetes Master Class
Engineering-Grade Reference Manual for Kubernetes
21 min readSystemsLinux System Administration Master Class
Engineering-Grade Reference Manual for Linux System Administration
21 min readMicrosoft CloudMicrosoft 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 readMicrosoft CloudMicrosoft 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 readOperationsMonitoring & Observability Master Class
Engineering-Grade Reference Manual for Monitoring & Observability
7 min readNetworkingNetworking Fundamentals Master Class
Engineering-grade reference manual for TCP/IP, DNS, routing, subnetting, load balancing, VPNs, CDN behavior, and network troubleshooting.
6 min readInfrastructure as CodeOpenTofu 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 readVirtualizationProxmox 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 readAutomationPython for DevOps Master Class
Engineering-Grade Reference Manual for Python in DevOps
3 min readScenariosReal-World DevOps Scenarios
Practical Integration Guide
15 min readWeb InfrastructureReverse 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 readSecuritySecurity & Compliance Master Class
Engineering-grade reference manual for practical DevOps security, compliance controls, and audit-ready automation.
7 min readService MeshService Mesh Master Class
Engineering-grade reference manual for Istio, Linkerd, Consul, traffic management, mTLS, observability, and production service-mesh operations.
7 min readAutomationShell Scripting (Bash) Master Class
Engineering-Grade Reference Manual for Bash Scripting
5 min readInfrastructure as CodeTerraform with Azure Master Class
Engineering-Grade Reference Manual for Terraform & Microsoft Azure
18 min readTroubleshootingDevOps Troubleshooting Guide
Common Problems and Solutions
4 min readVirtualizationVMware 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 readWindows ServerWindows 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