Informatyka
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Miguel Pérez Colino, Sergio Ocón Cárdenas, Pablo...
Mastering enterprise Linux administration can be overwhelming without guidance, especially for those targeting the SUSE Certified Administrator (SCA) certification or managing critical IT infrastructures. This practical guide offers the complete skillset required to confidently operate, secure, and maintain SUSE Linux Enterprise Server (SLES) 16. Written by senior SUSE product experts, this book helps you deploy physical and cloud systems, configure software and networking, secure services using firewalld and SELinux, and manage storage using BTRFS and LVM. With step-by-step instructions, real-world examples, and detailed chapters on automation with system roles and containers with Podman, you’ll build confidence across core Linux administration topics. You’ll also gain hands-on practice with system snapshots, kernel tuning, and AI with mcphost. It also includes a brief introduction to SLES 4 SAP-specific features. You'll learn how to configure services, harden systems, automate infrastructure with tools like Agama, Cockpit, and System Roles.This is the only official guide for SLE administrators and engineers, providing trusted insight you will not find anywhere else. By the end, you will be well-equipped to manage SLES systems in enterprise environments and approach the SCA certification with confidence.
Miguel Pérez Colino, Sergio Ocón Cárdenas, Pablo...
Mastering enterprise Linux administration can be overwhelming without guidance, especially for those targeting the SUSE Certified Administrator (SCA) certification or managing critical IT infrastructures. This practical guide offers the complete skillset required to confidently operate, secure, and maintain SUSE Linux Enterprise Server (SLES) 16. Written by senior SUSE product experts, this book helps you deploy physical and cloud systems, configure software and networking, secure services using firewalld and SELinux, and manage storage using BTRFS and LVM. With step-by-step instructions, real-world examples, and detailed chapters on automation with system roles and containers with Podman, you’ll build confidence across core Linux administration topics. You’ll also gain hands-on practice with system snapshots, kernel tuning, and AI with mcphost. It also includes a brief introduction to SLES 4 SAP-specific features. You'll learn how to configure services, harden systems, automate infrastructure with tools like Agama, Cockpit, and System Roles.This is the only official guide for SLE administrators and engineers, providing trusted insight you will not find anywhere else. By the end, you will be well-equipped to manage SLES systems in enterprise environments and approach the SCA certification with confidence.
Sustainable Cloud Development. Optimize cloud workloads for environmental impact in the GenAI era
Parth Girish Patel, Ishneet Kaur Dua, Steven...
Written by three seasoned AWS solution architects, sustainability mentors, and thought leaders, Sustainable Cloud Development equips cloud professionals with actionable strategies to design, build, and optimize workloads that minimize environmental impact, while maintaining performance and scalability.This book combines practical insights, best practices, and case studies to help you align your cloud operations with global sustainability goals. From foundational concepts such as carbon footprint measurement to advanced techniques such as sustainable software architecture, generative AI lifecycle optimization, and cost-efficient cloud practices, this book covers every aspect of sustainable cloud development. You’ll get to grips with key tools, including AWS Cost Explorer, for analyzing costs and usage over time to right-size deployments; auto scaling for automatically scaling compute resources dynamically based on demand; Amazon Trusted Advisor for reviewing optimization recommendations across critical areas such as cost, performance, and security; and Amazon CloudWatch for detailed monitoring and threshold-based alerting around all resources and applications.This book serves as a practical blueprint for optimizing your cloud workloads for both high performance and a minimal environmental footprint.
Niklas Sundberg, Richard Pastore, David Entwistle, Dr....
While the climate crisis poses a threat to planetary health, digital transformation continues to reshape our societies. The challenge for technology leaders is no longer understanding why sustainability matters but knowing how to take decisive, responsible action. This book gives you the clarity, confidence, and tools to drive meaningful change.Updated with the latest trends, case studies, and insights, including responsible and sustainable AI lifecycle governance, it walks you through every stage of developing and implementing a sustainable IT strategy.The book is structured in three parts. Part 1 explores the “why,” grounding you in the reality of the urgent climate crisis we face today, how we arrived here, the planetary boundaries we must restore, and the broader impact of IT on society. Part 2 covers the “what,” outlining the practical actions you can take to drive meaningful returns on sustainable investments and build a greener future. Part 3 focuses on the “how,” establishing baselines, setting direction, and applying real-world case studies to help you translate intent to impactful global outcomes.Whether you’re building a sustainability strategy from the ground up or enhancing existing initiatives, this book prepares you to lead the way with confidence and deliver outcomes that matter.
Niklas Sundberg
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.
Daniel Irvine
Svelte is a popular front-end framework used for its focus on performance and user-friendliness, and test-driven development (TDD) is a powerful approach that helps in creating automated tests before writing code. By combining them, you can create efficient, maintainable code for modern applications. Svelte with Test-Driven Development will help you learn effective automated testing practices to build and maintain Svelte applications.In the first part of the book, you’ll find a guided walkthrough on building a SvelteKit application using the TDD workflow. You’ll uncover the main concepts for writing effective unit test cases and practical advice for developing solid, maintainable test suites that can speed up application development while remaining effective as the application evolves. In the next part of the book, you’ll focus on refactoring and advanced test techniques, such as using component mocks and writing BDD-style tests with the Cucumber.js framework. In the final part of the book, you’ll explore how to test complex application and framework features, including authentication, Svelte stores, and service workers.By the end of this book, you’ll be well-equipped to build test-driven Svelte applications by employing theoretical and practical knowledge.
Dylan Hildenbrand
The JavaScript ecosystem has grown vast, complex, and daunting for newcomers. Fortunately, SvelteKit has emerged, simplifying the process of building JavaScript-based web applications. This book aims to demystify SvelteKit, making it as approachable as it makes web app development.With SvelteKit Up and Running you’ll be introduced to the philosophy and technologies underlying SvelteKit. First, you’ll follow a standard educational programming approach, progressing to a 'Hello World' application. Next, you’ll explore the fundamental routing techniques, data loading management, and user submission, all through real-world scenarios commonly encountered in day-to-day development, before discovering various adapters employed by SvelteKit to seamlessly integrate with diverse environments. You’ll also delve into advanced concepts like dynamic route management, error handling, and leveraging SvelteKit to optimize SEO and accessibility.By the end of this book, you’ll have mastered SvelteKit and will be well-equipped to navigate the complexities of web app development.
Swift 2 Blueprints. Swift Blueprints
Cecil Costa
In this book, you will work through seven different projects to get you hands-on with developing amazing applications for iOS devices. We start off with a project that teaches you how to build a utility app using Swift. Moving on, we cover the concepts behind developing an entertainment or social networking related application, for example, a small application that helps you to share images, audio, and video files from one device to another. You’ll also be guided through create a city information app with customized table views, a reminder app for the Apple Watch, and a game app using SpriteKit.By the end of this book, you will have the required skillset to develop various types of iOS applications with Swift that can run on different iOS devices. You will also be well versed with complex techniques that can be used to enhance the performance of your applications.
Swift 3 Game Development. Build iOS 10 Games with Swift 3.0 - Second Edition
Stephen Haney
Swift is the perfect choice for game development. Developers are intrigued by Swift 3.0 and want to make use of new features to develop their best games yet. Packed with best practices and easy-to-use examples, this book leads you step by step through the development of your first Swift game.This book starts by introducing SpriteKit and Swift's new features that can be used for game development. After setting up your first Swift project, you will build your first custom class, learn how to draw and animate your game, and add physics simulations.Then, you will add the player character, NPCs, and powerups. To make your game more fun and engaging, you will learn how to set up scenes and backgrounds, build fun menus, and integrate with Apple Game Center to add leaderboards and achievements. You will then make your game stand out by adding animations when game objects collide, and incorporate proven techniques such as the advanced particle system and graphics. Finally, you will explore the various options available to start down the path towards monetization and publish your finished games to the App Store.By the end of this book, you will be able to create your own iOS games using Swift and SpriteKit.
Swift 3 Game Development. Build iOS 10 Games with Swift 3.0 - Second Edition
Stephen Haney
Swift is the perfect choice for game development. Developers are intrigued by Swift 3.0 and want to make use of new features to develop their best games yet. Packed with best practices and easy-to-use examples, this book leads you step by step through the development of your first Swift game.This book starts by introducing SpriteKit and Swift's new features that can be used for game development. After setting up your first Swift project, you will build your first custom class, learn how to draw and animate your game, and add physics simulations.Then, you will add the player character, NPCs, and powerups. To make your game more fun and engaging, you will learn how to set up scenes and backgrounds, build fun menus, and integrate with Apple Game Center to add leaderboards and achievements. You will then make your game stand out by adding animations when game objects collide, and incorporate proven techniques such as the advanced particle system and graphics. Finally, you will explore the various options available to start down the path towards monetization and publish your finished games to the App Store.By the end of this book, you will be able to create your own iOS games using Swift and SpriteKit.
Gaston C. Hillar
Swift has quickly become one of the most-liked languages and developers’ de-facto choice when building applications that target iOS and macOS. In the new version, the Swift team wants to take its adoption to the next level by making it available for new platforms and audiences.This book introduces the object-oriented paradigm and its implementation in the Swift 3 programming language to help you understand how real-world objects can become part of fundamental reusable elements in the code. This book is developed with XCode 8.x and covers all the enhancements included in Swift 3.0. In addition, we teach you to run most of the examples with the Swift REPL available on macOS and Linux, and with a Web-based Swift sandbox developed by IBM capable of running on any web browser, including Windows and mobile devices.You will organize data in blueprints that generate instances. You’ll work with examples so you understand how to encapsulate and hide data by working with properties and access control. Then, you’ll get to grips with complex scenarios where you use instances that belong to more than one blueprint. You’ll discover the power of contract programming and parametric polymorphism. You’ll combine generic code with inheritance and multiple inheritance. Later, you’ll see how to combine functional programming with object-oriented programming and find out how to refactor your existing code for easy maintenance.
Swift 4 Programming Cookbook. 50 task-oriented recipes to maximise Swift 4 productivity
Keith Moon
Swift 4 is an exciting, multi-platform, general-purpose programming language. Being open source, modern and easy to use has made Swift one of the fastest growing programming languages. If you interested in exploring it, then this book is what you need.The book begins with an introduction to the basic building blocks of Swift 4, its syntax and the functionalities of Swift constructs. Then, introduces you to Apple's Xcode 9 IDE and Swift Playgrounds, which provide an ideal platform to write, execute, and debug the codes thus initiating your development process. Next, you'll learn to bundle variables into tuples, set order to your data with an array, store key-value pairs with dictionaries and you'll learn how to use the property observers. Later, explore the decision-making and control structures in Swift and learn how to handle errors in Swift 4.Then you'll, examine the advanced features of Swift, generics and operators, and then explore the functionalities outside of the standard library, provided by frameworks such as Foundation and UIKit. Also, you'll explore advanced features of Swift Playgrounds. At the end of the book, you'll learn server-side programming aspect of Swift 4 and see how to run Swift on Linux and then investigate Vapor, one of the most popular server-side frameworks for Swift.
Swift 4 Programming Cookbook. 50 task-oriented recipes to maximise Swift 4 productivity
Keith Moon
Swift 4 is an exciting, multi-platform, general-purpose programming language. Being open source, modern and easy to use has made Swift one of the fastest growing programming languages. If you interested in exploring it, then this book is what you need.The book begins with an introduction to the basic building blocks of Swift 4, its syntax and the functionalities of Swift constructs. Then, introduces you to Apple's Xcode 9 IDE and Swift Playgrounds, which provide an ideal platform to write, execute, and debug the codes thus initiating your development process. Next, you'll learn to bundle variables into tuples, set order to your data with an array, store key-value pairs with dictionaries and you'll learn how to use the property observers. Later, explore the decision-making and control structures in Swift and learn how to handle errors in Swift 4.Then you'll, examine the advanced features of Swift, generics and operators, and then explore the functionalities outside of the standard library, provided by frameworks such as Foundation and UIKit. Also, you'll explore advanced features of Swift Playgrounds. At the end of the book, you'll learn server-side programming aspect of Swift 4 and see how to run Swift on Linux and then investigate Vapor, one of the most popular server-side frameworks for Swift.
Jon Hoffman
Swift has become the number one language used in iOS and macOS development. The Swift standard library is developed using protocol-oriented programming techniques, generics, and first-class value semantics; therefore, every Swift developer should understand these powerful concepts and how to take advantage of them in their application design.This book will help you understand the differences between object-oriented programming and protocol-oriented programming. It will demonstrate how to work with protocol-oriented programming using real-world use cases. You will gain a solid knowledge of the various types that can be used in Swift and the differences between value and reference types. You will be taught how protocol-oriented programming techniques can be used to develop very flexible and easy-to-maintain code.By the end of the book, you will have a thorough understanding of protocol-oriented programming and how to utilize it to build powerful and practical applications.
Keith Moon, Chris Barker
Swift is an exciting, multi-platform, general-purpose programming language, and with this book, you'll explore the features of its latest version, Swift 5.3.The book begins with an introduction to the basic building blocks of Swift 5.3, its syntax, and the functionalities of Swift constructs. You’ll then discover how Swift Playgrounds provide an ideal platform to write, execute, and debug your Swift code. As you advance through the chapters, the book will show you how to bundle variables into tuples or sets, order your data with an array, store key-value pairs with dictionaries, and use property observers. You’ll also get to grips with the decision-making and control structures in Swift, examine advanced features such as generics and operators, and explore functionalities outside of the standard library. Once you’ve learned how to build iOS applications using UIKit, you'll find out how to use Swift for server-side programming, run Swift on Linux, and investigate Vapor. Finally, you'll discover some of the newest features of Swift 5.3 using SwiftUI and Combine to build adaptive and reactive applications, and find out how to use Swift to build and integrate machine learning models along with Apple’s Vision Framework.By the end of this Swift book, you'll have discovered solutions to boost your productivity while developing code using Swift 5.3.
Swift Cookbook. Proven recipes for developing robust iOS applications with Swift 5.9 - Third Edition
Keith Moon, Chris Barker, Daniel Bolella, Nathan...
Unlock the full potential of Swift and elevate your iOS development skills with this new edition of Swift Cookbook, highlighting the latest features in Swift 5.9.This cookbook will take your Swift programming skills to the next level, boosting your productivity and efficiency step by step through a plethora of practical recipes. Although this book is primarily for experienced iOS developers, it provides an introductory overview of Swift 5.9, including its basic building blocks, syntax, and the functionalities of Swift constructs, to get you warmed up. Once you’ve mastered the fundamentals, you’ll get down to business.Unless you’re completely new to Swift, this recipe-based guide doesn’t need to be read in order; you can jump to whichever topic takes your fancy, from UIKit and SwiftUI to advanced UI techniques, from Swift’s control flow and generics to machine learning with Vision, CoreML, and augmented reality with ARKit.By the end of this book, you’ll be fully up to speed with Swift’s capabilities and be able to develop amazing applications across a wide variety of domains.