Linux Shell Scripting Cookbook - Third Edition

Do amazing things with the shell
About This Book
Become an expert in creating powerful shell scripts and explore the full possibilities of the shell
Automate any administrative task you could imagine, with shell scripts
Packed with easy-to-follow recipes on new features on Linux, particularly, Debian-based, to help you accomplish even the most complex tasks with ease
Who This Book Is For
If you are a beginner or an intermediate Linux user who wants to master the skill of quickly writing scripts and automate tasks without reading the entire man pages, then this book is for you. You can start writing scripts and one-liners by simply looking at the relevant recipe and its descriptions without any working knowledge of shell scripting or Linux. Intermediate / advanced users, system administrators / developers, and programmers can use this book as a reference when they face problems while coding.
What You Will Learn
Interact with websites via scripts
Write shell scripts to mine and process data from the Web
Automate system backups and other repetitive tasks with crontab
Create, compress, and encrypt archives of your critical data.
Configure and monitor Ethernet and wireless networks
Monitor and log network and system activity
Tune your system for optimal performance
Improve your system's security
Identify resource hogs and network bottlenecks
Extract audio from video files
Create web photo albums
Use git or fossil to manage revision control and interact with FOSS projects
Create and maintain Linux containers and Virtual Machines
Run a private Cloud server
In Detail
The shell is the most powerful tool your computer provides. Despite having it at their fingertips, many users are unaware of how much the shell can accomplish.
Using the shell, you can generate databases and web pages from sets of files, automate monotonous admin tasks such as system backups, monitor your system's health and activity, identify network bottlenecks and system resource hogs, and more.
This book will show you how to do all this and much more.
This book, now in its third edition, describes the exciting new features in the newest Linux distributions to help you accomplish more than you imagine. It shows how to use simple commands to automate complex tasks, automate web interactions, download videos, set up containers and cloud servers, and even get free SSL certificates.
Starting with the basics of the shell, you will learn simple commands and how to apply them to real-world issues. From there, you'll learn text processing, web interactions, network and system monitoring, and system tuning.
Software engineers will learn how to examine system applications, how to use modern software management tools such as git and fossil for their own work, and how to submit patches to open-source projects.
Finally, you'll learn how to set up Linux Containers and Virtual machines and even run your own Cloud server with a free SSL Certificate from letsencrypt.org.
Style and approach
This book will take you through useful real-world recipes designed to make your daily life easier when working with the shell.