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  • Book Overview & Buying Linux Bible
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Linux Bible

Linux Bible

By : Christopher Negus
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Linux Bible

Linux Bible

By: Christopher Negus

Overview of this book

Linux Bible, 9th Edition is the ultimate hands-on Linux user guide, whether you’re a true beginner or a more advanced user navigating recent changes. This updated ninth edition covers the latest versions of Red Hat Enterprise Linux 7 (RHEL 7), Fedora 21, and Ubuntu 14.04 LTS, and includes new information on cloud computing and development with guidance on Openstack and Cloudforms. With a focus on RHEL 7, this practical guide gets you up to speed quickly on the new enhancements for enterprise-quality file systems, the new boot process and services management, firewall, and the GNOME 3 desktop. Written by a Red Hat expert, this book provides clear explanations and step-by-step instructions that demystify Linux and bring the new features seamlessly into your workflow. This useful guide assumes a base of little or no Linux knowledge and takes you step-by-step through what you need to know to get the job done.
Table of Contents (12 chapters)
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1
Introduction
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Introduction
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How This Book Is Organized
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Conventions Used in This Book
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Jumping into Linux
2
Part I: Getting Started
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Part I: Getting Started
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Chapter 1: Starting with Linux
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Chapter 2: Creating the Perfect Linux Desktop
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Part II: Becoming a Linux Power User
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Part II: Becoming a Linux Power User
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Chapter 3: Using the Shell
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Chapter 4: Moving around the Filesystem
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Chapter 5: Working with Text Files
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Chapter 6: Managing Running Processes
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Chapter 7: Writing Simple Shell Scripts
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Part III: Becoming a Linux System Administrator
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Part III: Becoming a Linux System Administrator
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Chapter 8: Learning System Administration
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Chapter 9: Installing Linux
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Chapter 10: Getting and Managing Software
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Chapter 11: Managing User Accounts
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Chapter 12: Managing Disks and Filesystems
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Part IV: Becoming a Linux Server Administrator
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Part IV: Becoming a Linux Server Administrator
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Chapter 13: Understanding Server Administration
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Chapter 14: Administering Networking
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Chapter 15: Starting and Stopping Services
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Chapter 16: Configuring a Print Server
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Chapter 17: Configuring a Web Server
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Chapter 18: Configuring an FTP Server
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Chapter 19: Configuring a Windows File Sharing (Samba) Server
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Chapter 20: Configuring an NFS File Server
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Chapter 21: Troubleshooting Linux
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Part V: Learning Linux Security Techniques
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Part V: Learning Linux Security Techniques
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Chapter 22: Understanding Basic Linux Security
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Chapter 23: Understanding Advanced Linux Security
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Chapter 24: Enhancing Linux Security with SELinux
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Chapter 25: Securing Linux on a Network
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Part VI: Extending Linux into the Cloud
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Part VI: Extending Linux into the Cloud
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Chapter 26: Using Linux for Cloud Computing
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Chapter 27: Deploying Linux to the Cloud
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Part VII: Appendixes
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Part VII: Appendixes
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GNU General Public License
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GNU General Public License
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End User License Agreement
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End User License Agreement
1
Appendix A: Media
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Appendix A: Media
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Getting Fedora
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Getting Red Hat Enterprise Linux
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Getting Ubuntu
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Creating Linux CDs and DVDs
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Booting Linux from a USB Drive
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Appendix B: Exercise Answers
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Appendix B: Exercise Answers
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Chapter 2: Creating the Perfect Linux Desktop
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Chapter 3: Using the Shell
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Chapter 4: Moving around the Filesystem
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Chapter 5: Working with Text Files
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Chapter 6: Managing Running Processes
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Chapter 7: Writing Simple Shell Scripts
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Chapter 8: Learning System Administration
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Chapter 9: Installing Linux
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Chapter 10: Getting and Managing Software
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Chapter 11: Managing User Accounts
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Chapter 12: Managing Disks and Filesystems
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Chapter 13: Understanding Server Administration
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Chapter 14: Administering Networking
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Chapter 15: Starting and Stopping Services
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Chapter 16: Configuring a Print Server
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Chapter 17: Configuring a Web Server
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Chapter 18: Configuring an FTP Server
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Chapter 19: Configuring a Windows File Sharing (Samba) Server
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Chapter 20: Configuring an NFS File Server
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Chapter 21: Troubleshooting Linux
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Chapter 22: Understanding Basic Linux Security
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Chapter 23: Understanding Advanced Linux Security
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Chapter 24: Enhancing Linux Security with SELinux
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Chapter 25: Securing Linux on a Network
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Chapter 26: Using Linux for Cloud Computing

Chapter 7
Writing Simple Shell Scripts

You'd never get any work done if you typed every command that needs to be run on your Linux system when it starts. Likewise, you could work more efficiently if you grouped together sets of commands that you run all the time. Shell scripts can handle these tasks.

A shell script is a group of commands, functions, variables, or just about anything else you can use from a shell. These items are typed into a plain text file. That file can then be run as a command. Linux systems have traditionally used system initialization shell scripts during system startup to run commands needed to get services going. You can create your own shell scripts to automate the tasks you need to do regularly.

This chapter provides a rudimentary overview of the inner workings of shell scripts and how they can be used...

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Programming languages
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