Book Image

Drupal 8 Development: Beginner's Guide - Second Edition

By : Neeraj Kumar, Tassos Koutlas, Samuel Keen, Edward Crompton, Krishna Kanth, Rakesh James, Malabya Tewari, Kurt Madel
Book Image

Drupal 8 Development: Beginner's Guide - Second Edition

By: Neeraj Kumar, Tassos Koutlas, Samuel Keen, Edward Crompton, Krishna Kanth, Rakesh James, Malabya Tewari, Kurt Madel

Overview of this book

<p>Drupal is one of the most popular platforms with which to develop websites. With more and more organizations looking to build engaging digital experience for their stakeholders, the Drupal Content Management System offers a mobile-first platform with native support for integrations, better performance, and scalability. The new version brings significant changes to its module development and theme creation techniques, improving performance and refining the development experience.</p> <p>This book will help you develop your own website using Drupal 8 in a step-by-step manner. You’ll start off by setting up your development environment, enabling you to begin writing custom code for a Drupal-powered website through PHPStorm. You will learn about configuration management and creating custom content types before exploring the HTML5 features included with Drupal 8.</p> <p>You will then get familiar with Drupal 8’s mobile-first features, explore the built-in WYSIWYG and in-line editing capabilities of Drupal 8, and enhance the overall authoring experience. Later, you will create and enhance a Media Entity Lightbox module, before taking an in-depth look at the Views module.</p> <p>We then cover some advanced search concepts and walk you through the installation and integration of the Java-based Apache Solr search engine. Finally, you will explore and configure the built-in support for REST and extend its support by installing the RESTful module. By the end of the book, you will have created a recipe sharing website while gaining a solid understanding of development best practices for Drupal 8.</p>
Table of Contents (20 chapters)
Drupal 8 Development Beginner's Guide Second Edition
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Index

Time for action – configuring Uncomplicated Firewall


On Ubuntu, you can use the built in Uncomplicated Firewall tool to set access to the server at a firewall level:

  1. Start by denying all access:

    $ sudo ufw default deny
    

    However, we don't want to break the SSH connection that we're currently using, so make sure that we allow access for SSH connections:

    $ sudo ufw allow ssh
    

    Also, we want to allow all connections from our local IP address:

    $ sudo ufw allow from <ip address>
    

    Here, <ip address> is the IP address of the machine you are connecting from. You will also want to add the IP address of your Drupal server here if it's different from your Solr server. Just run the preceding command again, changing the IP address to that of your Drupal server. For further details, see the Ubuntu UFW documentation at https://help.ubuntu.com/community/UFW.

  2. Now enable the firewall with the following settings:

    $ sudo ufw enable
    

    You may receive a warning to say that the existing SSH commands may be...