PowerShell Gallery

Introduction

The PowerShell Gallery is a place to find and share PowerShell scripts and modules easily.

You want to find a ready-made script to automate a task.

You want to share your own PowerShell script with others.

You need to install a module to add new commands to PowerShell.

You want to update your installed PowerShell modules.

You want to explore popular PowerShell tools created by the community.

Syntax

PowerShell

Find-Module -Name <ModuleName>
Install-Module -Name <ModuleName>
Update-Module -Name <ModuleName>
Publish-Module -Path <ModulePath>

Use Find-Module to search for modules in the gallery.

Use Install-Module to add a module to your system.

Examples

Searches the gallery for the module named 'Pester'.

PowerShell

Find-Module -Name Pester

Installs the 'Pester' module on your computer.

PowerShell

Install-Module -Name Pester

Updates the 'Pester' module to the latest version.

PowerShell

Update-Module -Name Pester

Uploads your module located at C:\MyModule to the PowerShell Gallery.

PowerShell

Publish-Module -Path C:\MyModule

Sample Program

This script searches for the 'PSReadLine' module in the PowerShell Gallery. If found, it installs the module for the current user and confirms the installation.

PowerShell

Write-Output "Searching for the 'PSReadLine' module..."
$module = Find-Module -Name PSReadLine
if ($module) {
    Write-Output "Module found: $($module.Name) - Version $($module.Version)"
    Write-Output "Installing module..."
    Install-Module -Name PSReadLine -Force -Scope CurrentUser
    Write-Output "Module installed successfully."
} else {
    Write-Output "Module not found."
}

Important Notes

You may need to run PowerShell as Administrator to install modules globally.

Use the -Scope CurrentUser parameter to install modules without admin rights.

Always check the source and trustworthiness of modules before installing.

Summary

The PowerShell Gallery is a free online repository for PowerShell scripts and modules.

You can search, install, update, and publish modules using simple PowerShell commands.

It helps you automate tasks faster by reusing community scripts.