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PowerShell 7 Workshop

PowerShell 7 Workshop

By : Nick Parlow
3.7 (3)
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PowerShell 7 Workshop

PowerShell 7 Workshop

3.7 (3)
By: Nick Parlow

Overview of this book

Discover the capabilities of PowerShell 7 for your everyday tasks with this carefully paced tutorial that will help you master this versatile programming language. The first set of chapters will show you where to find and how to install the latest version of PowerShell, providing insights into the distinctive features that set PowerShell apart from other languages. You’ll then learn essential programming concepts such as variables and control flow, progressing to their applications. As you advance, you’ll work with files and APIs, writing scripts, functions, and modules. You’ll also gain proficiency in securing your PowerShell environment before venturing into different operating systems. Enriched with detailed practical examples tailored for Windows, Linux, macOS, and Raspberry Pi, each chapter weaves real-world scenarios to ignite your imagination and cement the principles you learn. You’ll be able to reinforce your understanding through self-assessment questions and delve deeper into the principles using comprehensive reading lists. By the end of this book, you’ll have the confidence to use PowerShell for physical computing and writing scripts for Windows administration.
Table of Contents (23 chapters)
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1
Part 1: PowerShell Fundamentals
9
Part 2: Scripting and Toolmaking
15
Part 3: Using PowerShell

Securing PowerShell against inadvertent mistakes

The first set of tools we’ll look at are the ones that protect us from people doing things by accident. The most useful of these is a built-in execution policy that can be used to control how scripts can be run.

Execution policy

We encountered the execution policy feature back in Chapter 8, Writing Our First Script – Turning Simple Cmdlets into Reusable Code, and noted that we would cover it in more detail in this chapter. The execution policy is a safety feature that controls how we can run scripts, but only in a Windows environment. Don Jones (the Don!) has described the execution policy as intended to “…slow down an uninformed user who is unintentionally trying to run an untrusted script.” There is a lot of unintentionality in that sentence. The execution policy will present a few obstacles to an educated user who is deliberately trying to run a script. The best way to stop a user from running...

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