We have already had a preview of how we can use AWK to view the log files from the Apache web server; however, we will now move onto our demonstration file that has greater and more varied content.
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Mastering Linux Shell Scripting
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Mastering Linux Shell Scripting
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Overview of this book
In 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.
Table of Contents (17 chapters)
Preface
Free Chapter
The What and Why of Scripting with Bash
Creating Interactive Scripts
Conditions Attached
Creating Code Snippets
Alternative Syntax
Iterating with Loops
Creating Building Blocks with Functions
Introducing the Stream Editor
Automating Apache Virtual Hosts
AWK Fundamentals
Regular Expressions
Summarizing Logs with AWK
A Better lastlog with AWK
Using Python as a Bash Scripting Alternative
Assessments
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Customer Reviews
