Book Image

Windows Server Automation with PowerShell Cookbook - Fourth Edition

By : Thomas Lee
Book Image

Windows Server Automation with PowerShell Cookbook - Fourth Edition

By: Thomas Lee

Overview of this book

With a foreword from PowerShell creator Jeffrey Snover, this heavily updated edition is designed to help you learn how to use PowerShell 7.1 effectively and manage the core roles, features, and services of Windows Server in an enterprise setting. All scripts are compatible with both Window Server 2022 and 2019. This latest edition equips you with over 100 recipes you'll need in day-to-day work, covering a wide range of fundamental and more advanced use cases. We look at how to install and configure PowerShell 7.1, along with useful new features and optimizations, and how the PowerShell compatibility solution bridges the gap to older versions of PowerShell. Topics include using PowerShell to manage networking and DHCP in Windows Server, objects in Active Directory, Hyper-V, and Azure. Debugging is crucial, so the book shows you how to use some powerful tools to diagnose and resolve issues with Windows Server.
Table of Contents (18 chapters)
16
Other Books You May Enjoy
17
Index

Establishing a script signing environment

You can often find that it is essential to know that an application, or a PowerShell script, has not been modified since it was released. You can use Windows Authenticode Digital Signatures for this. Authenticode is a Microsoft code-signing technology that identifies the publisher of Authenticode-signed software. Authenticode also verifies that the software has not been tampered with since it was signed and published.

You can also use Authenticode to digitally sign your script using a PowerShell command. You can then ensure PowerShell only runs digitally signed scripts by setting an execution policy of AllSigned or RemoteSigned.

After you digitally sign your PowerShell script, you can detect whether any changes were made in the script since it was signed. And by using PowerShell's execution policy, you can force PowerShell to test the script to ensure the digital signature is still valid and only run scripts that succeed. You...