Book Image

Learn PowerShell Core 6.0

By : David das Neves, Jan-Hendrik Peters
Book Image

Learn PowerShell Core 6.0

By: David das Neves, Jan-Hendrik Peters

Overview of this book

Beginning with an overview of the different versions of PowerShell, Learn PowerShell Core 6.0 introduces you to VSCode and then dives into helping you understand the basic techniques in PowerShell scripting. You will cover advanced coding techniques, learn how to write reusable code as well as store and load data with PowerShell. This book will help you understand PowerShell security and Just Enough Administration, enabling you to create your own PowerShell repository. The last set of chapters will guide you in setting up, configuring, and working with Release Pipelines in VSCode and VSTS, and help you understand PowerShell DSC. In addition to this, you will learn how to use PowerShell with Windows, Azure, Microsoft Online Services, SCCM, and SQL Server. The final chapter will provide you with some use cases and pro tips. By the end of this book, you will be able to create professional reusable code using security insight and knowledge of working with PowerShell Core 6.0 and its most important capabilities.
Table of Contents (26 chapters)
Title Page
Dedication
Packt Upsell
Contributors
Preface
Index

Turning off energy-saving mechanisms


Customers frequently ask how to disable the energy-saving technologies for a specific time frame to avoid installation interruptions. In most scenarios, the engineers solved this by setting the energy savings to high performance. Unfortunately, the next time the GPOs are applied, this modification will be reverted. A very handy solution is to use the SetThreadExecutionState function on your own. 

Note

SetThreadExecutionState function  This function enables an application to inform the system that it is in use, thereby preventing the system from entering sleep mode or turning off the display while the application is running.  For more information, please refer to https://msdn.microsoft.com/en-us/library/windows/desktop/aa373208(v=vs.85).aspx.

In the following example, you can see how a Windows API is being called directly from PowerShell. Open the informational link for the SetThreadExecutionState function as well to understand how you could achieve this...