Directory

Integrating DNS with Active Directory

Understand how Active Directory depends on DNS for service discovery, dynamic updates, and site-aware logon, and how to configure that integration correctly.

Kerberos Authentication

How Active Directory's ticket-based Kerberos protocol authenticates users and services without repeatedly transmitting passwords, and how to diagnose its most…

What Is Active Directory?

An introduction to Active Directory as Microsoft's directory service for centralizing identity, authentication, and resource management across a Windows networ…

Managing Active Directory with PowerShell

Use the ActiveDirectory module to query, create, and modify users, groups, and organizational units at scale.

Azure Active Directory (Entra ID)

Microsoft's cloud-based identity and access management service, renamed Microsoft Entra ID, covering tenants, users, groups, app registrations, and conditional…

Directory Structures

How file systems organize files into single-level, two-level, tree, and acyclic-graph directory hierarchies.

The Three States of Git

Understand Git's core mental model — working directory, staging area, and repository — and how files move between them during a typical edit-commit cycle.

File and Directory Structure Conventions

Consistent file layout and naming conventions keep Terraform projects navigable as they grow, separating variables, outputs, providers, and resources predictab…