Packt+ | Advance your knowledge in tech

0

All Products

Best Sellers

New Releases

Books

Videos

Audiobooks

Free Learning

Linux Shell Scripting Cookbook

You're reading from Linux Shell Scripting Cookbook Do amazing things with the shell and automate tedious tasks

Product type Paperback

Published in May 2017

Publisher

ISBN-13 9781785881985

Length 552 pages

Edition 3rd Edition

Tools

Linux

Concepts

Shell Scripting

Authors (3):

Clif Flynt

Sarath Lakshman

Shantanu Tushar

View More author details

Table of Contents (20) Chapters

Title Page

Credits

About the Authors

About the Reviewer

www.PacktPub.com

Customer Feedback

Preface

1. Shell Something Out FREE CHAPTER

2. Have a Good Command

3. File In, File Out

4. Texting and Driving

5. Tangled Web? Not At All!

6. Repository Management

7. The Backup Plan

8. The Old-Boy Network

9. Put On the Monitors Cap

10. Administration Calls

11. Tracing the Clues

12. Tuning a Linux System

13. Containers, Virtual Machines, and the Cloud

Downloading from a web page

Downloading a file or a web page is simple. A few command-line download utilities are available to perform this task.

Getting ready

wget is a flexible file download command-line utility that can be configured with many options.

How to do it...

A web page or a remote file can be downloaded using wget:

$ wget URL

For example:

$ wget knopper.net
--2016-11-02 21:41:23--  http://knopper.net/
Resolving knopper.net... 85.214.68.145
Connecting to knopper.net|85.214.68.145|:80...
connected.
HTTP request sent, awaiting response... 200 OK
Length: 6899 (6.7K) [text/html]
Saving to: "index.html.1"


100% [=============================]45.5K=0.1s

2016-11-02 21:41:23 (45.5 KB/s) - "index.html.1" saved
[6899/6899]

It is also possible to specify multiple download URLs:

$ wget URL1 URL2 URL3 ..

How it works...

By default, the downloaded files are named the same as the URL, and the download information and progress is written to stdout.

The -O option specifies the output filename. If a file...

The rest of the chapter is locked

Register for a free Packt account to unlock a world of extra content!

A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.

Unlock this book and the full library FREE for 7 days

Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of

Start free trial

Renews at $15.99/month. Cancel anytime

Authors (3)

Clif Flynt

Clif Flynt

Clif Flynt has been programming computers since 1970, administering Linux/Unix systems since 1985, and writing since he was 9 years old. He's active in the Tcl/Tk and Linux user communities. He speaks frequently at technical conferences and user groups. He owns and runs Noumena Corporation, where he develops custom software and delivers training sessions. His applications have been used by organizations ranging from one manstartups to the US Navy. These applications range from distributed simulation systems to tools to help fiction authors write better (Editomat). He has trained programmers on fourcontinents. When not working with computers, Clif plays guitar, writes fiction experiments with new technologies, and plays with his wife's cats. He's the author of Tcl/Tk: A Developer's Guide by Morgan Kauffman, 2012, as well as several papers, and magazine articles. His poetry and fiction have been published in smalljournals, including Write to Meow by Grey Wolfe Press, 2015.

See other products by Clif Flynt

Sarath Lakshman

Sarath Lakshman

Sarath Lakshman is a 27 year old who was bitten by the Linux bug during his teenage years. He is a software engineer working in ZCloud engineering group at Zynga, India. He is a life hacker who loves to explore innovations. He is a GNU/Linux enthusiast and hactivist of free and open source software. He spends most of his time hacking with computers and having fun with his great friends. Sarath is well known as the developer of SLYNUX (2005) - a user friendly GNU/Linux distribution for Linux newbies. The free and open source software projects he has contributed to are PiTiVi Video editor, SLYNUX GNU/Linux distro, Swathantra Malayalam Computing, School-Admin, Istanbul, and the Pardus Project. He has authored many articles for the Linux For You magazine on various domains of FOSS technologies. He had made a contribution to several different open source projects during his multiple Google Summer of Code projects. Currently, he is exploring his passion about scalable distributed systems in his spare time. Sarath can be reached via his website.

See other products by Sarath Lakshman

Shantanu Tushar

Shantanu Tushar

Shantanu Tushar is an advanced GNU/Linux user since his college days. He works as an application developer and contributes to the software in the KDE projects. Shantanu has been fascinated by computers since he was a child, and spent most of his high school time writing C code to perform daily activities. Since he started using GNU/Linux, he has been using shell scripts to make the computer do all the hard work for him. He also takes time to visit students at various colleges to introduce them to the power of Free Software, including its various tools. Shantanu is a well-known contributor in the KDE community and works on Calligra, Gluon and the Plasma subprojects. He looks after maintaining Calligra Active - KDE's offie document viewer for tablets, Plasma Media Center, and the Gluon Player. One day, he believes, programming will be so easy that everybody will love to write programs for their computers. Shantanu can be reached by e-mail on [email protected], shantanutushar on Identi.ca/Twitter, or his website.

See other products by Shantanu Tushar

Other recommended products

Related to this chapter

Learning Linux Shell Scripting

Learning Linux Shell Scripting

Linux has been one of the widely adopted and popular OS when it comes to leveraging scripting and automating common tasks. With this book, readers will get to grips with shell scripting, automating repetitive tasks, text processing, regular expressions, pattern matching, backup and restore, and much more. The end goal of this book is to get you up and running with the most common commands that will ease your daily administration tasks.

May 2018 11h 4m

Linux Shell Scripting Bootcamp

Linux Shell Scripting Bootcamp

Linux Shell Scripting Bootcamp will help the readers learn about shell scripting and will help improve their efficiency and practical skills. It will be a fast-paced guide that takes you through the fundamentals of Linux Shell, general commands and then will teach you how to perform complex scripting tasks with ease.

Jul 2017 6h 56m

Learn Linux Quickly

Learn Linux Quickly

If you think Linux is a sophisticated operating system that only hackers and geeks know how to use, this book will surprise you! With Learn Linux Quickly, you'll see how easy it is to get started with Linux. This book teaches you Linux in an engaging and enjoyable way, helping you to enhance your skills as you explore the power of Linux.

Aug 2020 11h 16m

One of the most powerful tools that can be used almost every day is the Bash shell, but its true utility remains untapped by most users. Using a collection of recipes and intuitive lessons, the Bash Cookbook walks you through a series of exercises designed to teach you how to effectively use the Bash shell to create and execute your own scripts.

Jul 2018 8h 48m

Mastering Linux Shell Scripting

Mastering Linux Shell Scripting

Shell scripting is a quick method to prototype a complex application or a problem by automating tasks when working on Linux-based systems. This book will make use of both simple one-line commands and command sequences and complex problems can be solved with ease, from text processing to backing up sysadmin tools.

Apr 2018 9h 28m

Bash Quick Start Guide

Bash Quick Start Guide

Bash and shell script programming is central to using Linux, but it has many peculiar properties that are hard to understand and unfamiliar to many programmers, with a lot of misleading and even risky information online. Bash Quick Start tackles these problems head on, and shows you the best practices of shell script programming.

Sep 2018 6h 12m

OpenVPN Cookbook

OpenVPN Cookbook

Feb 2017 13h 20m

Git Version Control Cookbook

Git Version Control Cookbook

Git is one of the most popular tools for versioning. Start your journey by understanding the Git data model and discover the numerous possibilities that Git notes has to offer. You'll also get various tips and tricks for everyday usage and develop knowledge of Git providers, integrations, and clients.

Jul 2018 11h 48m

Learning AWK Programming

Learning AWK Programming

AWK is one of the powerful utility which exists in all Unix and Unix-like distributions. This book covers the structure and the control flow of AWK program, regular expressions, and use of different operators to carry out various text processing and mining tasks. This book is packed with unique practical examples to practice AWK programming.

Mar 2018 13h 52m

CentOS Quick Start Guide

CentOS Quick Start Guide

Linux kernel development has been the worlds largest collaborative project to date. With this practical guide, you will learn Linux through one of its most popular and stable distributions.

Dec 2018 10h 40m

Command Line Fundamentals

Command Line Fundamentals

From the bash shell to the traditional UNIX programs, and from redirection and pipes to automating tasks, Command Line Fundamentals teaches you all you need to know about how command lines work.

Dec 2018 10h 28m

Fundamentals of Linux

Fundamentals of Linux

Linux is a Unix-like computer operating system assembled under the model of free and open-source software development and distribution. This book will teach all the important command-line tools and utilities using real-world examples. You'll learn everything you need to know as a new Linux system administrator.

Jun 2018 7h 48m

Personalised recommendations for you

Based on your interests and search pattern

Mastering Palo Alto Networks

Mastering Palo Alto Networks

Mastering Palo Alto Networks is a hands-on guide that helps you progress from a beginner to an expert in configuring Palo Alto firewalls. It covers setup, management, and optimization with real-world examples for both on-prem and cloud environments.

May 2025 21h 32m

Cloud Native Anti-Patterns

Cloud Native Anti-Patterns

Uncover and fix cloud native anti-patterns across strategy, culture, security, and operations. This book guides you through the practical steps to avoid common traps and shift your organization toward cloud-native best practices that drive lasting success.

Mar 2025 14h 44m

AWS for System Administrators

AWS for System Administrators

Master the art of designing, deploying, and managing AWS infrastructure with industry best practices. You'll learn to automate workflows, optimize costs, and implement robust disaster recovery strategies for scalable cloud success.

May 2025 14h 12m

Kubernetes for Generative AI Solutions

Kubernetes for Generative AI Solutions

Learn step by step how to design, optimize, and deploy Generative AI projects on Kubernetes. Covering networking, observability, security, scaling, and cost optimization strategies, this guide takes you from first deployment to production excellence.

Jun 2025 11h 8m

Azure Cloud Projects

Azure Cloud Projects

Azure Cloud Projects offers a hands-on introduction to Microsoft Azure, designed to help you build real-world cloud solutions, develop job-ready skills, and apply best practices that are widely used across the cloud computing industry.

May 2025 8h 28m

Sustainable Cloud Development

Sustainable Cloud Development

This book introduces best practices for developing and deploying high-performing, eco-friendly cloud applications, helping you meet sustainability goals while delivering efficient cloud solutions.

Mar 2025 9h 12m

SLIs and SLOs Demystified

SLIs and SLOs Demystified

This comprehensive guide to reliability engineering dives deep into SLIs, SLOs, observability, and incident management. It shows you how to optimize system reliability and make data-driven decisions to balance performance and business goals.

Apr 2025 10h 0m