Squid Proxy Server 3.1: Beginner's Guide. Reduce bandwidth use and deliver your most frequently requested web pages more quickly with Squid Proxy Server. This guide will introduce you to the fundamentals of the caching system and help you get the most from Squid

Kulbir Saini, Alex Rousskov

Squid Proxy Server enables you to cache your web content and return it quickly on subsequent requests. System administrators often struggle with delays and too much bandwidth being used, but Squid solves these problems by handling requests locally. By deploying Squid in accelerator mode, requests are handled faster than on normal web servers making your site perform quicker than everyone else's!Squid Proxy Server 3.1 Beginner's Guide will help you to install and configure Squid so that it is optimized to enhance the performance of your network. The Squid Proxy Server reduces the amount of effort that you will have to put in, saving your time to get the most out of your network. Whether you only run one site, or are in charge of a whole network, Squid is an invaluable tool that improves performance immeasurably. Caching and performance optimization usually requires a lot of work on the developer's part, but Squid does all that for you. This book will show you how to get the most out of Squid by customizing it for your network. You will learn about the different configuration options available and the transparent and accelerated modes that enable you to focus on particular areas of your network.Applying proxy servers to large networks can be a lot of work as you have to decide where to place restrictions and who should have access, but the straightforward examples in this book will guide you through step by step so that you will have a proxy server that covers all areas of your network by the time you finish the book.

WordPress Web Application Development. Everyone it seems loves WordPress and this is your opportunity to take your existing design and development skills to the next stage. Learn in easy stages how to speedily build leading-edge web applications from scratch

Rakhitha Nimesh Ratnayake

Developing WordPress-powered websites is one of the standout trends in the modern web development world. The flexibility and power of the built-in features offered by WordPress has made developers turn their attentions to the possibility of using it as a web development framework. This book will act as a comprehensive resource for building web applications with this amazing framework.WordPress Web Application Development is a comprehensive guide focused on incorporating the existing features of WordPress into typical web development. This book is structured towards building a complete web application from scratch. With this book, you will build an application with a modularized structure supported by the latest trending technologies.Wordpress Web Application Development provides a comprehensive, practical, and example-based approach for pushing the limits of WordPress for web applications beyond your imagination.This book begins by exploring the role of existing WordPress components and discussing the reasons for choosing WordPress for web application development. As we proceed, more focus will be put into adapting WordPress features into web applications with the help of an informal use-case-based model for discussing the most prominent built-in features. While striving for web development with WordPress, you will also learn about the integration of popular client-side technologies such as Backbone, Underscore, and jQuery, and server-side technologies and techniques such as template engines, RSS feeds, Open Auth integration, and more.After reading this book, you will possess the ability to develop powerful web applications rapidly within limited time frames with the crucial advantage of benefitting low-budget and time-critical projects.

Mastering Julia. Develop your analytical and programming skills further in Julia to solve complex data processing problems

Alexander Papaspyrou, M E Sherrington

ElasticSearch Cookbook. As a user of ElasticSearch in your web applications you'll already know what a powerful technology it is, and with this book you can take it to new heights with a whole range of enhanced solutions from plugins to scripting

Alberto Paro

ElasticSearch is one of the most promising NoSQL technologies available and is built to provide a scalable search solution with built-in support for near real-time search and multi-tenancy.This practical guide is a complete reference for using ElasticSearch and covers 360 degrees of the ElasticSearch ecosystem. We will get started by showing you how to choose the correct transport layer, communicate with the server, and create custom internal actions for boosting tailored needs.Starting with the basics of the ElasticSearch architecture and how to efficiently index, search, and execute analytics on it, you will learn how to extend ElasticSearch by scripting and monitoring its behaviour.Step-by-step, this book will help you to improve your ability to manage data in indexing with more tailored mappings, along with searching and executing analytics with facets. The topics explored in the book also cover how to integrate ElasticSearch with Python and Java applications.This comprehensive guide will allow you to master storing, searching, and analyzing data with ElasticSearch.

Azure DevOps Server 2019 Cookbook. Proven recipes to accelerate your DevOps journey with Azure DevOps Server 2019 (formerly TFS) - Second Edition

Tarun Arora, Utkarsh Shigihalli

Previously known as Team Foundation Server (TFS), Azure DevOps Server is a comprehensive on-premise DevOps toolset with a rich ecosystem of open source plugins. This book will help you learn how to effectively use the different Azure DevOps services.You will start by building high-quality scalable software targeting .NET, .NET Core and Node.js applications. Next, you will learn techniques that will help you to set up end-to-end traceability of your code changes, from design through to release. Whether you are deploying software on-premise or in the cloud in App Service, Functions, or Azure VMs, this book will help you learn release management techniques to reduce failures. As you progress, you will be able to secure application configuration by using Azure Key Vault. You will also understand how to create and release extensions to the Azure DevOps marketplace and reach the million-strong developer ecosystem for feedback. Later, the working extension samples will even allow you to iterate changes in your extensions easily and release updates to the marketplace quickly.By the end of this book, you will be equipped with the skills you need to break down the invisible silos between your software development teams, and transform them into a modern cross-functional software development team.

Mastering GUI Programming with Python. Develop impressive cross-platform GUI applications with PyQt

Alan D. Moore

PyQt5 has long been the most powerful and comprehensive GUI framework available for Python, yet there is a lack of cohesive resources available for Python programmers to learn how to use it. This book will be your comprehensive guide to exploring GUI development with PyQt5.You will get started with an introduction to PyQt5, before going on to develop stunning GUIs with modern features. You will learn how to build forms using QWidgets and delve into important aspects of GUI development such as layouts, size policies, and event-driven programming. Moving ahead, you’ll discover PyQt5’s most powerful features through chapters on audio-visual programming with QtMultimedia, database-driven software with QtSQL, and web browsing with QtWebEngine. Next, in-depth coverage of multithreading and asynchronous programming will help you run tasks asynchronously and build high-concurrency processes with ease. In later chapters, you’ll gain insights into QOpenGLWidget, along with mastering techniques for creating 2D graphics with QPainter. You’ll also explore PyQt on a Raspberry Pi and interface it with remote systems using QtNetwork. Finally, you will learn how to distribute your applications using setuptools and PyInstaller.By the end of this book, you will have the skills you need to develop robust GUI applications using PyQt.

Mastering Apache Camel. An advanced guide to Enterprise Integration using Apache Camel

Bilgin Ismet Ibryam, Jean Baptiste Onofre, Jean-Baptiste Onofré

Angular Design Patterns and Best Practices. Create scalable and adaptable applications that grow to meet evolving user needs

Alvaro Camillo Neto, William Grasel, Loiane Groner

Single page applications (SPAs) have become the standard for most web experiences. Angular, with its batteries-included approach, has emerged as a powerful framework for simplifying the development of these interfaces by offering a comprehensive toolbox. This book guides you through the Angular ecosystem, uncovering invaluable design patterns and harnessing its essential features.The book begins by laying a strong foundation, helping you understand when and why Angular should be your web development framework of choice. The next set of chapters will help you gain expertise in component design and architecting efficient, flexible, and high-performing communication patterns between components. You’ll then delve into Angular's advanced features to create forms in a productive and secure way with robust data model typing. You'll also learn how to enhance productivity using interceptors to reuse code for common functionalities, such as token management, across various apps. The book also covers micro frontend architecture in depth to effectively apply this architectural approach and concludes by helping you master the art of crafting tests and handling errors effortlessly.By the end of this book, you'll have unlocked the full potential of the Angular framework.

Citrix XenServer 6.0 Administration Essential Guide. Deploy and manage XenServer in your enterprise to create, integrate, manage and automate a virtual datacenter quickly and easily with this book and

Daniele Tosatto

Virtualization helps an organization reduce costs and achieve low maintenance. It is fast becoming an important skill for all administrators. Citrix's XenServer is one of the leading virtualization solutions for enterprises and helps companies reduce costs while allowing them to integrate, automate and easily manage their datacenters. It comes with a steep learning curve, but the results are well worth the effort. This practical guide on XenServer administration shows you how to manage XenServer pools; create, configure and manage virtual machines and a datacenter. With the help of real-world examples in this book, you will be able to apply these concepts directly in your everyday life. Packed with author's tips and helpful advice; the book is your best choice for anything related to XenServer administration. This is the only book that focuses on the most vital aspect of XenServerñadministration. You don't have to struggle through the lesser-documented tasks anymore, this book will provide all the information you need to create and run a perfectly designed datacenter using XenServer.You will begin your journey towards becoming an expert XenServer administrator by configuring XenServer pools and managing role-based user authentication. Your next step is to create and manage virtual machines. In the following chapters you will learn to configure storage. The book discusses some of the more difficult tasks like configuring and managing VM memory. In the end you will be capable of handling your datacenter and virtual machines through a network, and you will learn how to monitor and backup your XenServer setup. All through the book, the author adds his helpful tips and advice that will help you choose the best options for your setup.

Deploying Microsoft 365 Teamwork: Exam MS-300 Guide. Expert tips, techniques, and practices to pass the MS-300 exam on the first attempt

Aaron Guilmette

The Microsoft MS-300 exam is designed to test the knowledge and skills of administrators in deploying, configuring, and managing SharePoint Online, SharePoint Server, SharePoint Hybrid, OneDrive for Business, and Teams. This book offers up-to-date coverage of the important topics based on the MS-300 exam and features question answers and insider tips to help you prepare for certification.Written in a clear, succinct way, the book starts by helping you configure and manage SharePoint Online. You’ll then delve into OneDrive for Business, right from managing users and groups, through to monitoring sharing and security. Further chapters will guide you through working with Teams, with an emphasis on managing identity authentication, resolving issues with the service, and even observing usage patterns. Later, you’ll get up to speed with workload integrations, covering the Yammer business communications platform, before moving on to understand how to integrate Microsoft Stream with SharePoint, Teams, and Yammer. Finally, you’ll learn to develop data governance and user adoption strategies.By the end of this book, you'll be well-versed with SharePoint Online and have learned the essential techniques and concepts you need to know in order to pass the MS-300 certification exam.

Yii Project Blueprints. From conception to production, learn how to develop real-world applications with the Yii framework

Charles R. Portwood ll

Designing API-First Enterprise Architectures on Azure. A guide for architects and developers to expedite digital transformation with API-led architectures

Subhajit Chatterjee

API-centric architectures are foundational to delivering omnichannel experiences for an enterprise. With this book, developers will learn techniques to design loosely coupled, cloud-based, business-tier interfaces that can be consumed by a variety of client applications.Using real-world examples and case studies, the book helps you get to grips with the cloudbased design and implementation of reliable and resilient API-centric solutions. Starting with the evolution of enterprise applications, you'll learn how API-based integration architectures drive digital transformation. You'll then learn about the important principles and practices that apply to cloud-based API architectures and advance to exploring the different architecture styles and their implementation in Azure. This book is written from a practitioner's point of view, so you'll discover ideas and practices that have worked successfully in various customer scenarios.By the end of this book, you'll be able to architect, design, deploy, and monetize your API solutions in the Azure cloud while implementing best practices and industry standards.

Oracle 11g Anti-hacker's Cookbook. Make your Oracle database virtually impregnable to hackers using the knowledge in this book. With over 50 recipes, you’ll quickly learn protection methodologies that use industry certified techniques to secure the Oracle database server

Adrian Neagu

For almost all organizations, data security is a matter of prestige and credibility. The Oracle Database is one of the most rich in features and probably the most used Database in a variety of industries where security is essential. To ensure security of data both in transit and on the disk, Oracle has implemented the security technologies to achieve a reliable and solid system. In Oracle 11g Anti-Hacker's Cookbook, you will learn about the most important solutions that can be used for better database security.Oracle 11g Anti-hacker's Cookbook covers all the important security measures and includes various tips and tricks to protect your Oracle Database.Oracle 11g Anti-hacker's Cookbook uses real-world scenarios to show you how to secure the Oracle Database server from different perspectives and against different attack scenarios. Almost every chapter has a possible threads section, which describes the major dangers that can be confronted. The initial chapters cover how to defend the operating system, the network, the data and the users. The defense scenarios are linked and designed to prevent these attacks. The later chapters cover Oracle Vault, Oracle VPD, Oracle Labels, and Oracle Audit. Finally, in the Appendices, the book demonstrates how to perform a security assessment against the operating system and the database, and how to use a DAM tool for monitoring.

Learn Python Programming. A comprehensive, up-to-date, and definitive guide to learning Python - Fourth Edition

Fabrizio Romano, Heinrich Kruger

Learn Python Programming, Fourth Edition, provides a comprehensive, up-to-date introduction to Python programming, covering fundamental concepts and practical applications. This edition has been meticulously updated to include the latest features from Python versions 3.9 to 3.12, new chapters on type hinting and CLI applications, and updated examples reflecting modern Python web development practices. This Python book empowers you to take ownership of writing your software and become independent in fetching the resources you need. By the end of this book, you will have a clear idea of where to go and how to build on what you have learned from the book.Through examples, the book explores a wide range of applications and concludes by building real-world Python projects based on the concepts you have learned. This Python book offers a clear and practical guide to mastering Python and applying it effectively in various domains, such as data science, web development, and automation.

Sustainable IT Playbook for Technology Leaders. Design and implement sustainable IT practices and unlock sustainable business opportunities

Niklas Sundberg, Hélene Barnekow

We are at a critical point in human history. Humanity is under threat, but all is not lost. We can take action! But how?Sustainable IT Playbook for Technology Leaders will show you how. It will walk you through the construction and implementation of a sustainable IT strategy and enable you to do your bit for the future of mankind.The book is split into three parts. Part I details the “why” and the clear and present danger that humanity faces today: the climate crisis. How did we get here, what are the immediate threats, what are the planetary boundaries that we need to peel back to safe levels, and what impact does IT have on society at large? Part II will focus on the what.” It examines the nitty-gritty details of what we can do to unlock significant returns on sustainable investments toward a more sustainable future. Part III, the final part of the book, focuses on the “how.” How do you turn your ideas into action? What do you need to do to establish your baseline and your direction of travel towards your objective? This part provides tangible case studies and explains how you can start your journey today to begin delivering global and impactful objectives.By the end of this book, you’ll be able to plan, implement, and communicate a sustainable IT strategy and set yourself apart as a progressive technology leader.

ASP.NET Core 5 and React. Full-stack web development using .NET 5, React 17, and TypeScript 4 - Second Edition

Carl Rippon

Microsoft’s .NET framework is a robust server-side framework, now even more powerful thanks to the recent unification of the Microsoft ecosystem with the .NET 5 framework. This updated second edition addresses these changes in the .NET framework and the latest release of React.The book starts by taking you through React and TypeScript components for building an intuitive single-page application and then shows you how to design scalable REST APIs that can integrate with a React-based frontend. Next, you’ll get to grips with the latest features, popular patterns, and tools available in the React ecosystem, including function-based components, React Router, and Redux. As you progress through the chapters, you'll learn how to use React with TypeScript to make the frontend robust and maintainable and cover key ASP.NET 5 features such as API controllers, attribute routing, and model binding to build a sturdy backend. In addition to this, you’ll explore API security with ASP.NET 5 identity and authorization policies and write reliable unit tests using both .NET and React, before deploying your app on Azure.By the end of this book, you’ll have gained the knowledge you need to enhance your C# and JavaScript skills and build full-stack, production-ready applications with ASP.NET 5 and React.

Android Programming with Kotlin for Beginners. Build Android apps starting from zero programming experience with the new Kotlin programming language

John Horton

Android is the most popular mobile operating system in the world and Kotlin has been declared by Google as a first-class programming language to build Android apps. With the imminent arrival of the most anticipated Android update, Android 10 (Q), this book gets you started building apps compatible with the latest version of Android.It adopts a project-style approach, where we focus on teaching the fundamentals of Android app development and the essentials of Kotlin by building three real-world apps and more than a dozen mini-apps. The book begins by giving you a strong grasp of how Kotlin and Android work together before gradually moving onto exploring the various Android APIs for building stunning apps for Android with ease. You will learn to make your apps more presentable using different layouts. You will dive deep into Kotlin programming concepts such as variables, functions, data structures, Object-Oriented code, and how to connect your Kotlin code to the UI. You will learn to add multilingual text so that your app is accessible to millions of more potential users. You will learn how animation, graphics, and sound effects work and are implemented in your Android app.By the end of the book, you will have sound knowledge about significant Kotlin programming concepts and start building your own fully featured Android apps.

Mastering Elasticsearch. Further your knowledge of the Elasticsearch server by learning more about its internals, querying, and data handling

Rafal Kuc, Marek Rogozinski

Cisco Certified CyberOps Associate 200-201 Certification Guide. Learn blue teaming strategies and incident response techniques to mitigate cybersecurity incidents

Glen D. Singh

Achieving the Cisco Certified CyberOps Associate 200-201 certification helps you to kickstart your career in cybersecurity operations. This book offers up-to-date coverage of 200-201 exam resources to fully equip you to pass on your first attempt.The book covers the essentials of network security concepts and shows you how to perform security threat monitoring. You'll begin by gaining an in-depth understanding of cryptography and exploring the methodology for performing both host and network-based intrusion analysis. Next, you'll learn about the importance of implementing security management and incident response strategies in an enterprise organization. As you advance, you'll see why implementing defenses is necessary by taking an in-depth approach, and then perform security monitoring and packet analysis on a network. You'll also discover the need for computer forensics and get to grips with the components used to identify network intrusions. Finally, the book will not only help you to learn the theory but also enable you to gain much-needed practical experience for the cybersecurity industry.By the end of this Cisco cybersecurity book, you'll have covered everything you need to pass the Cisco Certified CyberOps Associate 200-201 certification exam, and have a handy, on-the-job desktop reference guide.

Documentum Content Management Foundations: EMC Proven Professional Certification Exam E20-120 Study Guide. Learn the technical fundamentals of the EMC Documentum platform while effectively preparing for the E20-120 exam

Pawan Kumar

This is a complete study guide including study material and practice questions to prepare for the EMC Proven Professional certification Exam E20-120. It can also serve Documentum beginners and practitioners as a handy guide and quick reference to the technical fundamentals that is fully up to date for Documentum 5.3. Beginners are introduced to concepts in a logical manner while practitioners can use it as a reference to jump to relevant concepts directly.EMC Documentum is a leading enterprise content management technology platform that helps enterprises to streamline the capture, processing, and distribution of business information including documents, records, e-mails, web content, images, reports, and digital assets. It can also automate entire business processes in accordance with business rules. EMC Proven Professional is an exam-based certification program, which introduced a new EMC Proven Content Management Application Developer (EMCAD) track in early 2007. The first exam in this track is Content Management Foundations (CMF) Associate-level Exam, with exam code E20-120, which tests knowledge about technical fundamentals of Documentum. This book is a study guide to help you prepare for this exam with hundreds of practice questions and an efficient exam-preparation strategy.

Coding with ChatGPT and Other LLMs. Navigate LLMs for effective coding, debugging, and AI-driven development

Dr. Vincent Austin Hall

Keeping up with the AI revolution and its application in coding can be challenging, but with guidance from AI and ML expert Dr. Vincent Hall—who holds a PhD in machine learning and has extensive experience in licensed software development—this book helps both new and experienced coders to quickly adopt best practices and stay relevant in the field.You’ll learn how to use LLMs such as ChatGPT and Bard to produce efficient, explainable, and shareable code and discover techniques to maximize the potential of LLMs. The book focuses on integrated development environments (IDEs) and provides tips to avoid pitfalls, such as bias and unexplainable code, to accelerate your coding speed. You’ll master advanced coding applications with LLMs, including refactoring, debugging, and optimization, while examining ethical considerations, biases, and legal implications. You’ll also use cutting-edge tools for code generation, architecting, description, and testing to avoid legal hassles while advancing your career.By the end of this book, you’ll be well-prepared for future innovations in AI-driven software development, with the ability to anticipate emerging LLM technologies and generate ideas that shape the future of development.

Learning Probabilistic Graphical Models in R. Familiarize yourself with probabilistic graphical models through real-world problems and illustrative code examples in R

David Bellot, Dan Toomey

Probabilistic graphical models (PGM, also known as graphical models) are a marriage between probability theory and graph theory. Generally, PGMs use a graph-based representation. Two branches of graphical representations of distributions are commonly used, namely Bayesian networks and Markov networks. R has many packages to implement graphical models.We’ll start by showing you how to transform a classical statistical model into a modern PGM and then look at how to do exact inference in graphical models. Proceeding, we’ll introduce you to many modern R packages that will help you to perform inference on the models. We will then run a Bayesian linear regression and you’ll see the advantage of going probabilistic when you want to do prediction. Next, you’ll master using R packages and implementing its techniques. Finally, you’ll be presented with machine learning applications that have a direct impact in many fields. Here, we’ll cover clustering and the discovery of hidden information in big data, as well as two important methods, PCA and ICA, to reduce the size of big problems.

Building Virtual Pentesting Labs for Advanced Penetration Testing. Build intricate virtual architecture to practice any penetration testing technique virtually

Kevin Cardwell

Mastering Azure Serverless Computing. A practical guide to building and deploying enterprise-grade serverless applications using Azure Functions

Lorenzo Barbieri, Massimo Bonanni

Application development has evolved from traditional monolithic app development to using serverless options and microservices. This book is designed to guide you through using Microsoft's Azure Functions to process data, integrate systems, and build simple APIs and microservices.You will discover how to apply serverless computing to speed up deployment and reduce downtime. You'll also explore Azure Functions, including its core functionalities and essential tools, along with understanding how to debug and even customize Azure Functions. In addition to this, the book will take you through how you can effectively implement DevOps and automation in your working environment. Toward the concluding chapters, you'll cover some quick tips, troubleshooting techniques, and real-world serverless use cases that will help you make the most of serverless computing.By the end of this book, you will have gained the skills you need to develop and deliver cost-effective Azure serverless solutions.