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

Technical overview


JEA is a new addition to the existing session configurations that were introduced with PowerShell 2 and PowerShell 3. JEA adds role-based access control (RBAC) on top of session configurations, so that sessions can be constrained more granularly. In addition to that, the ability to use temporary, virtual Run As accounts and group-managed service accounts has been added. Before that, only the entire endpoint could be executed with a different set of credentials.

It allows unprivileged user accounts to access high-privilege resources by allowing only a small subset of cmdlets with constrained parameters and transcription enabled. Done right, it also reduces the number of members of the local administrators group on a server, for example. Connecting to a restricted endpoint is as easy as the next code snippet implies:

Enter-PSSession -ComputerName SomeServer -ConfigurationName SupportEndpoint

When a user connects to a constrained JEA endpoint, WinRM authenticates the user and...