Book Image

PowerShell Core for Linux Administrators Cookbook

By : Prashanth Jayaram, Ram Iyer
Book Image

PowerShell Core for Linux Administrators Cookbook

By: Prashanth Jayaram, Ram Iyer

Overview of this book

PowerShell Core, the open source, cross-platform that is based on the open source, cross-platform .NET Core, is not a shell that came out by accident; it was intentionally created to be versatile and easy to learn at the same time. PowerShell Core enables automation on systems ranging from the Raspberry Pi to the cloud. PowerShell Core for Linux Administrators Cookbook uses simple, real-world examples that teach you how to use PowerShell to effectively administer your environment. As you make your way through the book, you will cover interesting recipes on how PowerShell Core can be used to quickly automate complex, repetitive, and time-consuming tasks. In the concluding chapters, you will learn how to develop scripts to automate tasks that involve systems and enterprise management. By the end of this book, you will have learned about the automation capabilities of PowerShell Core, including remote management using OpenSSH, cross-platform enterprise management, working with Docker containers, and managing SQL databases.
Table of Contents (19 chapters)

Adding support for pipeline input

Administrators who are used to shell scripting cannot live without the pipeline. Without one cmdlet interacting with another, the extent of automation is drastically reduced. Adding support for pipeline input is also one of the configuration options you set in the param() block of a function.

Let's add support for pipeline input to the New-File cmdlet so that you can send an array of strings through the pipeline for the filename.

How to do it...

This capability will require a single change to the existing script. Follow these steps to get started:

  1. Copy the content from 07-New-File.ps1 and paste it into a new file.
  2. Change the [Parameter()] declaration for the Path parameter:
function...