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

Allowing remote access to a MariaDB server


Unless you are running your MariaDB database server to drive some local web applications on the same server hardware, most working environments would be pretty useless if remote access to a database server were forbidden. In many IT surroundings you will find high-available, centralized dedicated database servers optimized in hardware (for example, huge amounts of RAM) and hosting multiple databases allowing hundreds of parallel connections from the outside to the server. Here in this recipe, we will show you how to make remote connections to the server possible.

Getting ready

To complete this recipe, you will require a working installation of the CentOS 7 operating system with root privileges. It is expected that a MariaDB server is already installed and running and you have read and applied the Managing a MariaDB database recipe for an understanding of permissions and how to test (local) database connections.

How to do it...

In our example, we want...