Chapter 4

Creating Your Own Scripts and Advanced Functions

IN THIS CHAPTER

check Understanding and Creating PowerShell scripts

check Setting an execution policy for your PowerShell script

check Signing a PowerShell script with a Code Signing Certificate

check Creating a PowerShell advanced function with VS Code

Tons of scripts are already purpose made and ready for download, but nothing is quite as satisfying as writing your own scripts and cmdlets. That feeling of accomplishment really can’t be beat when the script you’ve been working on is put to use.

With Infrastructure as Code (IaC) gaining in popularity, being able to write custom scripts helps to make you a more marketable employee, not just from a system administration standpoint, but also from a DevOps standpoint. IaC allows you to script the deployment of a server so that you can respond to the need to scale much more quickly than if you had to manually build a server.

In this chapter, I show you how to create your own custom components of PowerShell. You discover how to create new shell extensions and your own PowerShell scripts, and you find ...

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