Book Image

Linux Mint System Administrator's Beginner's Guide

By : Arturo Fernandez Montoro
Book Image

Linux Mint System Administrator's Beginner's Guide

By: Arturo Fernandez Montoro

Overview of this book

<p>System administrators are responsible for keeping servers and workstations working properly. They perform actions to get a secure, stable, and robust operating system. In order to do that, system administrators perform actions such as monitoring, accounts maintenance, restoring backups, and software installation. All these actions and tasks are crucial to business success.<br /><br />"Linux Mint System Administrator’s Beginner’s Guide" is a practical and concise guide that offers you clear step-by-step exercises to learn good practices, commands, tools, and tips and tricks to convert users into system administrators in record time.<br /><br />You’ll learn how to perform basic operations, such as create user accounts and install software. Moving forward, we’ll find out more about important tasks executed daily by system administrators.</p> <p><br />Data and information are very important so you’ll learn how to create and restore backups. You will also learn about one of the most important points of an operating system: security.</p> <p><br />Thanks to "Linux Mint System Administrator’s Beginner’s Guide", you’ll learn all the basics you need to install and keep a robust and reliable Linux Mint operating system up to date.</p>
Table of Contents (18 chapters)
Linux Mint System Administration Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Time for action – using the ls, locate, find, and cat commands


We're going to use a few commands such as find, locate, cat, and ls. The last one is used for displaying the content of a directory, whereas the find and locate commands are used for finding files in our filesystem. The cat command is used for getting the content of a file as output. Don't forget to make sure that your shell is running.

  1. First, we'll execute ls directly from our home directory; we only need to enter ls in our command-line interface.

  2. The output for the previous command will be something like the following:

    Desktop  Documents  Downloads  Music  Pictures  Public  Templates  Videos
    
  3. Now, we'll continue looking for all those files with a .conf extension (*.conf) inside the /etc/ufw directory by using the following command:

    arturo@han-solo ~ $ find /etc/ufw -name '*.conf'
    
  4. As an output of the find command, you'll find all files with a .conf extension inside your home directory:

    /etc/ufw/sysctl.conf
    /etc/ufw/ufw.conf...