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Linux Command Line and Shell Scripting Techniques

Linux Command Line and Shell Scripting Techniques

By : Vedran Dakic, Jasmin Redzepagic
4.4 (5)
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Linux Command Line and Shell Scripting Techniques

Linux Command Line and Shell Scripting Techniques

4.4 (5)
By: Vedran Dakic, Jasmin Redzepagic

Overview of this book

Linux Command Line and Shell Scripting Techniques begins by taking you through the basics of the shell and command-line utilities. You’ll start by exploring shell commands for file, directory, service, package, and process management. Next, you’ll learn about networking - network, firewall and DNS client configuration, ssh, scp, rsync, and vsftpd, as well as some network troubleshooting tools. You’ll also focus on using the command line to find and manipulate text content, via commands such as cut, egrep, and sed. As you progress, you'll learn how to use shell scripting. You’ll understand the basics - input and output, along with various programming concepts such as loops, variables, arguments, functions, and arrays. Later, you’ll learn about shell script interaction and troubleshooting, before covering a wide range of examples of complete shell scripts, varying from network and firewall configuration, through to backup and concepts for creating live environments. This includes examples of performing scripted virtual machine installation and administration, LAMP (Linux, Apache, MySQL, PHP) stack provisioning and bulk user creation for testing environments. By the end of this Linux book, you’ll have gained the knowledge and confidence you need to use shell and command-line scripts.
Table of Contents (19 chapters)
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Process management tools

Managing processes means learning about the ways in which processes work and the specific text-mode tools that we can use to manage them. We are going to start by introducing some simple concepts – explain what processes are and which states they can be in – and then we're going to move on to commands and how to use them to manage processes from an administrative standpoint. That means that we are going to learn 10+ new commands/concepts that are necessary to understand how all of this works.

Getting ready

The vast majority of commands and utilities that we are going to use in this recipe come pre-installed with our Linux distribution. That being said, there are a couple of cool additional tools we can use to further drive the point of managing processes and system resources home. So, let's install one more utility as it's capable of being used as a tool to monitor system resources along with low-level stuff, such as working...

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