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)

Performing string matching operations

Matching operations are mostly performed using the -like, -notlike, -match, and -notmatch operators. These also come in case-sensitive (-clike, -cnotmatch) and forced case-insensitive (-inotlike, -imatch) variants.

We have a situation for this recipe.

One of your friends works for a travel agency and gets an automated CSV file of sites that contain great articles of categories including travel, and lifestyle. (The aggregator service that creates this CSV file has its own algorithms to decide what is great, and does not care about disagreements.) This list is delivered to the agency every day at 7 AM. The list, however, only contains the names of the sites and their home page links. BBC may or may not feature in the list for the day. If the list contains BBC, he wants a query that will fetch the links to all Travel stories from the home page...