skip to content

#powershell (8)

Cheat sheets (8)

PowerShell Essentials

Variables, operators, pipelines, Where-Object, ForEach-Object, Select-Object, sorting, grouping, remoting, jobs, CIM, registry, JSON, error handling, and common cmdlets.
powershell windows scripting cli web-researched

PowerShell Built-in Variables — Automatic & Preference Variables

Complete reference for every automatic and preference variable built into PowerShell — $_, $Error, $MyInvocation, $PSCmdlet, $Host, $PSVersionTable, $ExecutionContext, and all preference variables that tune runtime behaviour.
powershell variables reference scripting web-researched

PowerShell Error Handling — try/catch, ErrorAction, and Strict Mode

Master terminating vs non-terminating errors, $ErrorActionPreference, try/catch/finally, throw vs Write-Error, transcripts, and strict mode.
powershell scripting errors debugging web-researched

PowerShell Modules — Packages, Profiles, and the Gallery

Install, discover, update, and author PowerShell modules: PowerShellGet, PSResourceGet, the Gallery, $PSModulePath, $PROFILE customisation, PSReadLine, SecretManagement, and the must-have module shortlist.
powershell modules ecosystem web-researched

PowerShell Pipelines — Objects, Not Text

Deep dive on PowerShell's object pipeline: Where-Object, Select-Object, ForEach-Object, Sort-Object, Group-Object, Measure-Object, Compare-Object, Out-GridView, parallel execution, and the two filter forms.
powershell scripting pipelines web-researched

PowerShell Remoting — Running Commands on Other Machines

Execute PowerShell against one or many remote hosts using WinRM or SSH transport, persistent sessions, credential management, and JEA.
powershell networking remoting sysadmin scripting web-researched

PowerShell Scripting — Functions, Parameters, and Control Flow

Author production-grade PowerShell: advanced functions with [CmdletBinding()], parameter validation, pipeline-bound parameters, splatting, switch parameters, .ps1 vs .psm1, and all the control-flow constructs.
powershell scripting web-researched

Windows

PowerShell, winget, WSL interop, yt-dlp, beets, and Windows administration.
windows powershell cli