Wydawca: Packt Publishing
Founded in 2004 in Birmingham, UK, Packt's mission is to help the world put software to work in new ways, through the delivery of effective learning and information services to IT professionals. Working towards that vision, we have published over 6,500 books and videos so far, providing IT professionals with the actionable knowledge they need to get the job done - whether that's specific learning on an emerging technology or optimizing key skills in more established tools. As part of our mission, we have also awarded over $1,000,000 through our Open Source Project Royalty scheme, helping numerous projects become household names along the way.
1705
Ebook
1706
Ebook

Software-Defined Networking (SDN) with OpenStack. Click here to enter text

Sreenivas Voruganti, Sriram Subramanian

Networking is one the pillars of OpenStack and OpenStack Networking are designed to support programmability and Software-Defined Networks. OpenStack Networking has been evolving from simple APIs and functionality in Quantum to more complex capabilities in Neutron.Armed with the basic knowledge, this book will help the readers to explore popular SDN technologies, namely, OpenDaylight (ODL), OpenContrail, Open Network Operating System (ONOS) and Open Virtual Network (OVN). The first couple of chapters will provide an overview of OpenStack Networking and SDN in general. Thereafter a set of chapters are devoted to OpenDaylight (ODL), OpenContrail and their integration with OpenStack Networking. The book then introduces you to Open Network Operating System (ONOS) which is fast becoming a carrier grade SDN platform. We will conclude the book with overview of upcoming SDN projects within OpenStack namely OVN and Dragonflow.By the end of the book, the readers will be familiar with SDN technologies and know how they can be leveraged in an OpenStack based cloud.

1707
Ebook

SQL for Data Analytics. Harness the power of SQL to extract insights from data - Third Edition

Jun Shan, Matt Goldwasser, Upom Malik, Benjamin Johnston

Every day, businesses operate around the clock, and a huge amount of data is generated at a rapid pace. This book helps you analyze this data and identify key patterns and behaviors that can help you and your business understand your customers at a deep, fundamental level.SQL for Data Analytics, Third Edition is a great way to get started with data analysis, showing how to effectively sort and process information from raw data, even without any prior experience.You will begin by learning how to form hypotheses and generate descriptive statistics that can provide key insights into your existing data. As you progress, you will learn how to write SQL queries to aggregate, calculate, and combine SQL data from sources outside of your current dataset. You will also discover how to work with advanced data types, like JSON. By exploring advanced techniques, such as geospatial analysis and text analysis, you will be able to understand your business at a deeper level. Finally, the book lets you in on the secret to getting information faster and more effectively by using advanced techniques like profiling and automation. By the end of this book, you will be proficient in the efficient application of SQL techniques in everyday business scenarios and looking at data with the critical eye of analytics professional. 

1708
Ebook

Fuzzing Against the Machine. Automate vulnerability research with emulated IoT devices on QEMU

Antonio Nappa, Eduardo Blázquez, Nikias Bassen, Dr. Javier López-Gómez

Emulation and fuzzing are among the many techniques that can be used to improve cybersecurity; however, utilizing these efficiently can be tricky. Fuzzing Against the Machine is your hands-on guide to understanding how these powerful tools and techniques work. Using a variety of real-world use cases and practical examples, this book helps you grasp the fundamental concepts of fuzzing and emulation along with advanced vulnerability research, providing you with the tools and skills needed to find security flaws in your software.The book begins by introducing you to two open source fuzzer engines: QEMU, which allows you to run software for whatever architecture you can think of, and American fuzzy lop (AFL) and its improved version AFL++. You’ll learn to combine these powerful tools to create your own emulation and fuzzing environment and then use it to discover vulnerabilities in various systems, such as iOS, Android, and Samsung's Mobile Baseband software, Shannon. After reading the introductions and setting up your environment, you’ll be able to dive into whichever chapter you want, although the topics gradually become more advanced as the book progresses.By the end of this book, you’ll have gained the skills, knowledge, and practice required to find flaws in any firmware by emulating and fuzzing it with QEMU and several fuzzing engines.

1709
Ebook

Mastering Adobe Photoshop Elements 2023. Bring out the best in your images using Adobe Photoshop Elements 2023 - Fifth Edition

Robin Nichols

Produce impressive, high-quality pictures to influence your audience, grow your brand, and market your products and services.With its impressive range of sophisticated creative capabilities, Adobe Photoshop Elements 2023 is all you need to create photos you’ll love to share. Elements 2023 extends its AI capabilities by simplifying complex editing processes. Learn to stitch widescreen panoramas, remove people from backgrounds, de-focus backgrounds, re-compose images, and even create a range of calendars and greeting cards for your friends and family.The fifth edition of this widely acclaimed series will help you master photo-editing from scratch. Start by learning basic edits such as auto tone correction, image resizing and cropping, then master contrast, color, sharpness, and clarity.Take your prowess to the next level by learning how to correct optical distortion, re-shape images, exploit layers, layer masking, and sharpening techniques—create the perfect picture or imaginative fantasy illustration. You’ll also learn the online realms of animation, video creation, and third-party plug-ins.By the end of this book, you'll learn how to leverage the incredible features of Photoshop Elements 2023 with complete confidence.Note: All the images featured in the book can be easily downloaded via a direct link or from the GitHub repository link specified in the Preface.

1710
Ebook

Visualforce Development Cookbook. Upgrade Your Development Skills - Second Edition

Keir Bowden

Visualforce is a framework that allows developers to build sophisticated, custom user interfaces that can be hosted natively on the Force.com platform. The Visualforce framework includes a tag-based markup language, similar to HTML that is used to write the Visualforce pages and a set of controllers that are used to write business logic to the Visualforce pages. Visualforce Development Cookbook provides solutions to a variety of challenges faced by Salesforce developers and demonstrates how easy it is to build rich, interactive pages using Visualforce. Whether you are looking to make a minor addition to the standard page functionality or override it completely, this book will provide you with the help you require throughout. You will start by learning about the simple utilities and will build up to more advanced techniques for data visualization and to reuse functionality. You will learn how to perform various tasks such as creating multiple records from a single page, visualizing data as charts, using JavaScript to enhance client-side functionality, building a public website, and making data available to a mobile device. With an interesting chapter on tackling common issues faced while developing Visualforce pages, the book provides lots of practical examples to enhance and extend your Salesforce user interface.

1711
Ebook

Instant Hands-on Testing with PHPUnit How-to. A practical guide to getting started with PHPUnit to improve code quality

Michael Lively

No developer wants to accept the inherent difficulty of writing software as an excuse for not finding the bugs in our code before anyone else does. PHPUnit is a framework that was created to allow developers to solve that very problem. It provides a feature-rich environment with most of the tools necessary to provide adequate tests for any project.Instant Hands-on Testing with PHPUnit How-to provides a thorough overview of the functionality provided by the PHPUnit framework. It shows how the plethora of features in the framework can be used to write tests for real world projects to ensure they function and will continue to function in the ways that you expect.This book will show how you can set up the scaffolding necessary to run unit tests in your project with PHPUnit. It will walk you through the process of how to write a basic test and how to maintain your project's test suite. You will learn how to use some of the more advanced features of PHPUnit and then see how you can use mock objects to isolate the code you are testing. We will then discover how to create tests that verify your interaction with databases and even see how you can use PHPUnit to understand which code you are actually testing.At the end of the book you will have all of the basic understanding necessary to begin adding tests to your project. This book provides a great foundation for becoming a expert at writing unit tests.

1712
Ebook

Creating Stunning Dashboards with QlikView. Bring real business insights to your company through effective and engaging dashboards in QlikView

Julian Villafuerte

QlikView is one of the most powerful analytical tools in the market. Based on an in-memory associative model, it lets users freely navigate through the data, spot trends and make better decisions. This platform is capable of integrating a wide range of data sources like ERP systems, data warehouses or spreadsheets into a single application in order display dashboards with state-of-the-art visualizations.Creating Stunning Dashboards with QlikView is an easy to follow handbook that guides you through the process of creating an effective and engaging dashboard that delivers tangible value to the business. It starts with the identification of the business needs and the definition of the main KPIs, and takes you all the way to the application rollout.Throughout the book, you will learn how to apply some of the best practices in the field of data visualization, create a robust navigation schema, chose the best chart types for each scenario and many other things that will help you create effective dashboards that uncover all the stories behind the data.