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

Obtaining local and remote WMI objects

In the Exploring WMI classes recipe, you discovered that WMI provides a large number (over 100) of namespaces on each host along with thousands of WMI classes. You use the Get-CimInstance cmdlet to return the instances of a WMI class on either the local or a remote host, as you can see in the recipe. This cmdlet returns the WMI instances for a specified WMI class wrapped in a .NET object.

With WMI, you have three ways you can use Get-CimInstance:

  • The first way is to use the cmdlet to return all class occurrences and return all class properties.
  • The second way is to use the -Filter parameter to specify a WMI filter. The WMI filter instructs the Get-CimInstance command to return some, and not all, instances of the desired class.
  • The third method uses a WMI query using the WMI Query Language (WQL). A WQL query is, in effect, a SQL statement that instructs WMI to return some (or all) properties of some (or all) occurrences...