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

Introduction to Vim


In this recipe, we will give you a very brief introduction to the text editor, Vim, which is used as the standard text editor throughout this book. You can also use any other text editor you prefer, such as nano or emacs, instead.

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...

We will start this recipe by installing the vim-enhanced package, as it contains a tutorial you can use to learn working with Vim:

  1. To begin, log in as root and install the following package:

    yum install vim-enhanced
    
  2. Afterwards, type the following command to start the Vim tutorial:

    vimtutor
    
  3. This will open the Vim tutorial in the Vim editor. To navigate, press the up and down key to scroll up and down single-line wise. To exit the tutorial, press the Esc key, then type :q!, followed by the Return key to exit.

  4. You should now read through the file and go through the lessons to get a basic understanding of...