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

Working with external utilities


Sometimes, PowerShell cmdlets are not enough. Although this rarely is the case nowadays, there are times you may need to resort to external utilities. This is especially valid for PowerShell Core on different operating systems with different sets of binaries.

Consider the following example: you are tasked with creating local users on a set of Windows and Linux machines with the least amount of code. You know that all machines have enabled PowerShell remoting:

# Sample 1 - Creating users on Windows and Linux hosts
$windowsMachines = 'WindowsHost1', 'WindowsHost2'
$linuxMachines = 'LinuxHost1', 'LinuxHost2'

$username = 'localuser1'
$password = 'P@ssw0rd' | ConvertTo-SecureString -AsPlainText -Force
$newCredential = New-Object -TypeName pscredential $userName, $password

$linuxSessionOptions = New-PSSessionOption -SkipCACheck -SkipCNCheck -SkipRevocationCheck
$sessions = New-PSSession $windowsMachines -Credential (Get-Credential)
$sessions += New-PSSession $linuxMachines...