Powershell

Quick Overview

Syntax

Comments

<#
multi-line comments
#>

Data Containers

These are things in powershell that can contain data values or other objects.

Objects

$a = New-Object –TypeNamePSObject
$a

Arrays

$a = @()
$a += "Item"

Hash Tables (aka. a Dictionary)

$a = @{}
$a.Add("Key", "Value");

Parameters

param (
 ??
)

Common Tasks

Filtering

Pipe to Where-Object and provide the matching condition.

Where-Object {$_.RecordData.IPv4Address -like "172.20.1.*" }

Other Stuff

Get machine UIUD

get-wmiobject Win32_ComputerSystemProduct  | Select-Object -ExpandProperty UUID

Troubleshooting

Error: "File cannot be loaded because the execution of scripts is disabled on this system"

To allow untrusted script execution, open a powershell instance (same arch as what you're trying to run the script as. ie: 64bit/32bit) as Administrator and run:

PS> set-executionpolicy unrestricted

You should now be able to see:

PS> get-executionpolicy
Unrestricted