PowerShell Pester: Write Unit Tests for Your Scripts
Pester is PowerShell’s unit testing framework. Learn to write and run tests for your functions with Describe, It, and Should assertions.
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PowerShell DSC: Introduction to Desired State Configuration
DSC lets you declare how servers should be configured and PowerShell enforces it. Learn to write your first DSC configuration and apply it.
PowerShell DISM: Manage Windows Images and Features
DISM manages Windows images and optional features from PowerShell. Learn to enable features, repair Windows, and service offline images.
PowerShell Robocopy: Advanced File Copy Options Explained
Robocopy is the professional file copy tool for PowerShell scripts. Learn retry logic, multithreaded copies, exclusions, and log file integration.
PowerShell Teams Webhook: Post Messages to Teams Channel
Post messages to Microsoft Teams from PowerShell with Incoming Webhooks. Learn card formatting, color-coded alerts, and reusable notification functions.
PowerShell Slack Notifications: Send Messages via Webhook
Send automated Slack messages from PowerShell using Incoming Webhooks. Get script status updates, alerts, and reports delivered to your team channel.
PowerShell ForEach vs .ForEach(): Method Syntax Speed Test
The .ForEach() method is often 2-3x faster than ForEach-Object cmdlet. Learn when to prefer each and the trade-offs for large collections.
PowerShell ConvertTo-Json Depth: Fix Truncated JSON Output
ConvertTo-Json silently truncates deep nested objects. Learn how to set the correct -Depth value and why the default of 2 causes data loss.
PowerShell Measure-Object Count Lines in File
Count lines, words, and characters in files with PowerShell. Learn Get-Content with Measure-Object and efficient counting for large files.
PowerShell Test-Path Registry: Check Registry Key Existence
Test-Path works on registry paths just like files. Learn to check for key and value existence before registry operations to avoid errors.
