Book Image

CentOS 7 Linux Server Cookbook - Second Edition

By : Jonathan Hobson
Book Image

CentOS 7 Linux Server Cookbook - Second Edition

By: Jonathan Hobson

Overview of this book

This book will provide you with a comprehensive series of starting points that will give you direct access to the inner workings of the latest CentOS version 7 and help you trim the learning curve to master your server. You will begin with the installation and basic configuration of CentOS 7, followed by learning how to manage your system, services and software packages. You will then gain an understanding of how to administer the file system, secure access to your server and configure various resource sharing services such as file, printer and DHCP servers across your network. Further on, we cover advanced topics such as FTP services, building your own DNS server, running database servers, and providing mail and web services. Finally, you will get a deep understanding of SELinux and you will learn how to work with Docker operating-system virtualization and how to monitor your IT infrastructure with Nagios. By the end of this book, you will have a fair understanding of all the aspects of configuring, implementing and administering CentOS 7 Linux server and how to put it in control.
Table of Contents (22 chapters)
CentOS 7 Linux Server Cookbook Second Edition
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Index

Navigating text files with less


Throughout this book, you will often use programs and tools that use the program less or a less-like navigation to view and read file content or display output. At first, the control can seem a bit unintuitive .Here, in this recipe, we will show you the basics of how to navigate through a file using less controls.

Getting ready

To complete this recipe, you will require a working installation of the CentOS 7 operating system with root privileges.

How to do it...

  1. To begin, log in as root and type the following command to open a program that uses less for navigation:

    man man
    
  2. To navigate, press the up and down key to scroll up and down one line at a time, the spacebar to scroll down a page, and the b key to scroll up a page. You can search within the text using the forward slash key, /,followed by the search term, then press Return to search. Press n to jump to the next search result. Press the q key to exit.

How it works...

Here, in this short recipe, we have shown...