Learn PowerShell Core 6.0 · Automate and control administrative tasks using DevOps principles by Neves, David das -- Read -- Imperial Library of Trantor

Index

Title Page Copyright and Credits

Learn PowerShell Core 6.0

Dedication Packt Upsell

Why subscribe? PacktPub.com

Contributors

About the authors About the reviewer Packt is searching for authors like you

Preface

Who this book is for What this book covers To get the most out of this book

Download the example code files Download the color images Conventions used

Get in touch

Reviews

Current PowerShell Versions

Technical requirements Historical background Overview of different versions of Powershell

PowerShell Editions 

Windows PowerShell 5.1 PowerShell Core 6 PowerShell Open Source

Downloading the source code Developing and contributing

The goals of PowerShell Core 6

Dependencies and support Compatibility Cross-platform remoting

Azure Cloud Shell

Features of PowerShell in Cloud Shell

Future of PowerShell Summary Questions Further reading

PowerShell ISE Versus VSCode

Introduction to currently available tools

Recap

PowerShell ISE Visual Studio Code

Introduction Download Installation First start Basics

ISE versus VSCode Summary Questions Further reading

Basic Coding Techniques

Comments Regions Types Variables Commands and parameters

Approved verb list

PSDrives and PSProviders PowerShell's scripting language

Script blocks Operators

Pipeline operator Type operators Arithmetic operators Assignment operators Comparison operators  Logical operators Split and join operators Bitwise logical operators Replace operator Unary operators

Language constructs

Indentation If...ElseIf, and Else Switch Loops for loop do loop while loop foreach loop break and continue loops

Error handling

Non-terminating Terminating errors

Remoting

Types of remoting

Summary Questions Further reading

Advanced Coding Techniques

Technical requirements Working with credentials Working with external utilities Pipeline and performance

Performance Parallel execution

Working with APIs

Creating a REST endpoint

Create Read Update Delete

Interacting with a RESTful API

Working with events

Object events WMI events Engine events Remote events

Custom formatting Custom type extensions Summary Questions Further reading

Writing Reusable Code

Best practice guidelines

Code layout

Brace placement Naming conventions Aliases and parameter names Readability Function design

Output

Cmdlet output Conveying messages

Compatibility Comments Header or disclaimer

Functions

Script blocks Function declaration The parameter attribute

Parameter sets Pipeline input

Cmdlet binding attribute Scopes

Dot-sourcing code

Help files

Help-driven development

Code signing

Possible solutions

Digital certificates Public key Infrastructure Self-signed certificates for testing

Preventing changes and execution Proving that changes were made

Modules

Module architecture Combining multiple functions

The module manifest

Managing complexity Deployment and upgrade

Version control

Changelog Recovery

Revert Checkout Reset

Branching Merging Possible solutions

TFS Git SVN

PSScriptAnalyzer Summary Questions Further reading

Working with Data

Registry Files CSV XML CLIXML JSON Classes  Summary Questions Further reading

Understanding PowerShell Security

Current situation around PowerShell Is PowerShell a vulnerability? Principle of Least Privilege The community Version 5 Evergreen Secure coding Remoting

Double hop 

ExecutionPolicy

Bypassing the ExecutionPolicy

Executing PowerShell without PowerShell.exe Constrained language mode  AppLocker

How the Constrained Language Mode is enforced Windows Defender Application Control

Obfuscation Logging AMSI Prioritizing technical security controls Summary Questions Further reading

Just Enough Administration

Technical overview Session authoring Role capabilities

Merging role capabilities

Cmdlet visible in one role Cmdlet visible in multiple roles Validation is used in one role Validation is used in multiple roles ValidateSet and ValidatePattern are mixed

Session configurations

Language mode and session type Transcripts Accounts

Connecting users Virtual account Group-managed service account

User drive

Deploying session configurations

Individual activation Distributed activation Desired State Configuration

Use cases Summary Questions Further reading

DevOps with PowerShell

What is DevOps?

WinOps DevSecOps

Why DevOps

Traceability Reliability Speed

Test-driven development Continuous integration Continuous deployment Challenges of DevOps The value of PowerShell Summary Questions Further reading

Creating Your Own PowerShell Repository

Package management

Centralization Interacting with repositories

Knowledge management

Documentation with PlatyPS

PowerShell repository

Setup Modules Signing Version control PowerShellGet

Execution

Dedicated user JEA

Deploying and upgrading

PowerShellGet End user updates Automatic updates JEA servers

Summary Questions Further reading

VSCode and PowerShell Release Pipelines

Configuration

Interface

Extensibility Preparing for a release pipeline Working with different hosts Plaster

Creating templates Packaging templates

PSScriptAnalyzer Pester

Mock

Mock .NET calls

Describe Context It Running tests

Git

Centralized workflow Forking workflow

CI tools Bringing it all together Summary Questions Further reading

PowerShell Desired State Configuration

Introducing DSC

Why Desired State Configuration? Configurations

Local Configuration Manager – LCM Push

When to use

Pull

When to use

Security Resources

Built-in resources Community Custom Composite

DSC Core Summary Questions Further reading

Working with Windows

Retrieving the latest PowerShell version WMI CIM Delivery Optimization Retrieving all log events and files for update issues Turning off energy-saving mechanisms Verifying installed updates Working with apps EventLog ETL parsing Convert-PPTX to PDF Summary Questions Further reading

Working with Azure

Azure 101

Resource groups Tags Resources

PowerShell in Azure Cloud Shell

The Azure drive

Resource group deployment

Finding templates Resources Parameters and variables Functions in templates

Individual deployments Summary Questions Further reading

Connecting to Microsoft Online Services

Office 365 Exchange Online

Using some cmdlets

SharePoint Online Microsoft Teams Summary Questions Further reading

Working with SCCM and SQL Server

System Center Configuration Manager

Logging PowerShell App Deployment Toolkit

SQL Server

Working with the SqlServer module

The SQL Provider Connecting to SQL instances Running manual queries Working with availability groups Masterkeys, encryption, and credentials

Working with the dbatools module

Discovering SQL instances Connecting to SQL instances – the SqlInstance parameter Running manual queries PowerShell to SQL Navigating the module Backup, restore, and test Deploying maintenance insight tools Migrations made easy

Working with the Reporting Services module

Connecting to the Reporting Services server

Administrating the service Managing the data in the service

Working with content

Navigating the structure Exporting content Importing content

Configuring SSRS servers

Working with the dbachecks module

Configuration Feel the power

Summary Questions

PowerShell Deep Dives

Creating XAML GUIs with PSGUI Scalable DSC configuration

The problem The setup Configuration data Configurations Build

ConvertFrom-String LINQ OpenFileDialog Username to Security Identifier (SID) SHiPS PSDefaultParameterValues and PSBoundParameters

PSDefaultParameterValues PSBoundParameters

ConvertTo-Breakpoint Summary Questions Further reading

PowerShell ISE Hotkeys

Keyboard shortcuts for editing text

Keyboard shortcuts for running scripts Keyboard shortcuts for customizing the view Keyboard shortcuts for debugging scripts Keyboard shortcuts for Windows PowerShell tabs Keyboard shortcuts for starting and exiting

References VSCode Hotkeys

Default keyboard shortcuts

Basic editing Rich languages editing Navigation Editor/Window management File management Display Search Preferences Debug Tasks Extensions

References

Assessments

Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Chapter 11 Chapter 12 Chapter 13 Chapter 14 Chapter 15 Chapter 16 Chapter 17

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