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Building a PowerShell Tool

A Mini-Course

Learn PowerShell by doing in this completely hands-on mini-course on building a PowerShell script (tool) from scratch! Come away with a script to inventory your servers and learn how to go from newbie to PowerShell God!

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About

About

About the Book

PowerShell's real power comes through in its tool-making abilities. What do I mean by a tool? A tool is a PowerShell script, a module, a function, whatever that helps you perform some management task. That task could be creating a report, gathering information about a computer, creating a company user account, and so on.

PowerShell shines as an automation language. In this eBook built as a PowerShell mini-course, you'll learn how to build an automation tool using PowerShell.

This eBook mini-course will guide you from having nothing to show all the way up to a PowerShell script that can query and return information across all of your servers.

Not only will you learn how to write a PowerShell script but you'll also learn the mindset behind writing a script that will take your PowerShell skills to the next level. You'll see how a PowerShell expert thinks and how he approaches writing a PowerShell tool.

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Author

About the Author

Adam Bertram

Adam Bertram is a 20+ year veteran of IT and an experienced online business professional. He’s a consultant, Microsoft MVP, blogger, trainer, published author and content marketer for multiple technology companies. Catch up on Adam’s articles at adamtheautomator.com, connect on LinkedIn, or follow him on Twitter at @adbertram.

Leanpub Podcast

Episode 149

An Interview with Adam Bertram

Contents

Table of Contents

About This Book

About the Author

Feedback

Instructions and Mini-Course Structure

Table of Contents

Prerequisites

More PowerShell!

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Script Scaffolding

  1. Defining the Final Output
  2. Discovery and Script Input
  3. Building a Common Object Type

Enumerating User Profiles

  1. The Tool (Thus Far)

Finding Free Disk Space

  1. Managing Arrays of Objects
  2. The Tool (Thus Far)

Finding Operating System Information

  1. The Tool (Thus Far)

Finding Memory

  1. The Tool (Thus Far)

Finding Server IP Addresses

Querying Windows Services

  1. The Tool (Thus Far)

Refactoring

Building an HTML Report

  1. The Tool (Thus Far)

Refactoring…Again?

  1. Adding Script Parameters
  2. Using a Shared CIM Session and Splatting
  3. Using PowerShell Remoting and Supporting Parallel Runs
  4. Remove the CIM session and All ComputerName Parameters

Summary

Release Notes

Contributors

About the Contributors

Nick Rimmer

Matt Bobke

https://mattbobke.com/

Lee Dailey

https://www.reddit.com/user/Lee_Dailey

Jim Birley

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