Mastering Linux Shell Scripting - Second Edition

A practical guide to Linux command-line, Bash scripting, and Shell programming

von Mokhtar Ebrahim, Andrew Mallett

284 Seiten, Taschenbuch

Kurzbeschreibung des Verlags

Master the complexities of Bash shell scripting and unlock the power of shell for your enterprise Key Features Identify high-level steps such as verifying user inputUsing the command line and conditional statements in creating/executing simple shell scriptsCreate and edit dynamic shell scripts to manage complex and repetitive tasksLeverage the command-line to bypass GUI and automate common tasks Book DescriptionIn this book, you'll discover everything you need to know to master shell scripting and make informed choices about the elements you employ.Grab your favorite editor and start writing your best Bash scripts step by step. Get to grips with the fundamentals of creating and running a script in normal mode, and in debug mode. Learn about various conditional statements' code snippets, and realize the power of repetition and loops in your shell script. You will also learn to write complex shell scripts. This book will also deep dive into file system administration, directories, and system administration like networking, process management, user authentications, and package installation and regular expressions. Towards the end of the book, you will learn how to use Python as a BASH Scripting alternative.By the end of this book, you will know shell scripts at the snap of your fingers and will be able to automate and communicate with your system with keyboard expressions. What you will learnMake, execute, and debug your first Bash scriptCreate interactive scripts that prompt for user inputFoster menu structures for operators with little command-line experienceDevelop scripts that dynamically edit web configuration files to produce a new virtual hostWrite scripts that use AWK to search and reports on log filesDraft effective scripts using functions as building blocks, reducing maintenance and build timeMake informed choices by comparing different script languages such as Python with BASH

• Themen: Informatik und Informationstechnologie Betriebssysteme Linux, Open-Source und sonstige Betriebssysteme Linux
• ISBN: 9781788990554
• Sprache: Englisch
• Erscheinungsdatum: 19.04.2018
• Größe: 235 x 191 mm
• Verlag: Packt Publishing