React Native Cookbook. Recipes for solving common React Native development problems - Second Edition

Daniel Ward

If you are a developer looking to create mobile applications with maximized code reusability and minimized cost, React Native is what you need. With this practical guide, you’ll be able to build attractive UIs, tackle common problems in mobile development, and achieve improved performance in mobile environments.This book starts by covering the common techniques for React Native customization and helps you set up your development platforms. Over the course of the book, you’ll work through a wide variety of recipes that help you create, style, and animate your apps with built-in React Native and custom third-party components. You’ll also develop real-world browser-based authentication, build a fully functional audio player, and integrate Google Maps in your apps. This book will help you explore different strategies for working with data, including leveraging the popular Redux library and optimizing your app’s dataflow. You’ll also learn how to write native device functionality for new and existing React Native projects and how app deployment works.By the end of this book, you'll be equipped with tips and tricks to write efficient code and have the skills to build full iOS and Android applications using React Native.

Reactive Programming with Swift 4. Build asynchronous reactive applications with easy-to-maintain and clean code using RxSwift and Xcode 9

Navdeep Singh

RxSwift belongs to a large family of Rx implementations in different programming languages that share almost identical syntax and semantics. Reactive approach will help you to write clean, cohesive, resilient, scalable, and maintainable code with highly configurable behavior.This book will introduce you to the world of reactive programming, primarily focusing on mobile platforms. It will tell how you can benefit from using RxSwift in your projects, existing or new. Further on, the book will demonstrate the unbelievable ease of configuring asynchronous behavior and other aspects of the app that are traditionally considered to be hard to implement and maintain. It will explain what Rx is made of, and how to switch to reactive way of thinking to get the most out of it. Also, test production code using RxTest and the red/ green approach. Finally, the book will dive into real-world recipes and show you how to build a real-world app by applying the reactive paradigm.By the end of the book, you’ll be able to build a reactive swift application by leveraging all the concepts this book takes you through.

Real-World SRE. The Survival Guide for Responding to a System Outage and Maximizing Uptime

Nat Welch

Real-World SRE is the go-to survival guide for the software developer in the middle of catastrophic website failure. Site Reliability Engineering (SRE) has emerged on the frontline as businesses strive to maximize uptime. This book is a step-by-step framework to follow when your website is down and the countdown is on to fix it. Nat Welch has battle-hardened experience in reliability engineering at some of the biggest outage-sensitive companies on the internet. Arm yourself with his tried-and-tested methods for monitoring modern web services, setting up alerts, and evaluating your incident response.Real-World SRE goes beyond just reacting to disaster—uncover the tools and strategies needed to safely test and release software, plan for long-term growth, and foresee future bottlenecks. Real-World SRE gives you the capability to set up your own robust plan of action to see you through a company-wide website crisis.The final chapter of Real-World SRE is dedicated to acing SRE interviews, either in getting a first job or a valued promotion.

Red Hat Enterprise Linux 8 Administration. Master Linux administration skills and prepare for the RHCSA certification exam

Miguel Pérez Colino, Pablo Iranzo Gómez, Scott McCarty

Whether in infrastructure or development, as a DevOps or site reliability engineer, Linux skills are now more relevant than ever for any IT job, forming the foundation of understanding the most basic layer of your architecture. With Red Hat Enterprise Linux (RHEL) becoming the most popular choice for enterprises worldwide, achieving the Red Hat Certified System Administrator (RHCSA) certification will validate your Linux skills to install, configure, and troubleshoot applications and services on RHEL systems. Complete with easy-to-follow tutorial-style content, self-assessment questions, tips, best practices, and practical exercises with detailed solutions, this book covers essential RHEL commands, user and group management, software management, networking fundamentals, and much more. You'll start by learning how to create an RHEL 8 virtual machine and get to grips with essential Linux commands. You'll then understand how to manage users and groups on an RHEL 8 system, install software packages, and configure your network interfaces and firewall. As you advance, the book will help you explore disk partitioning, LVM configuration, Stratis volumes, disk compression with VDO, and container management with Podman, Buildah, and Skopeo. By the end of this book, you'll have covered everything included in the RHCSA EX200 certification and be able to use this book as a handy, on-the-job desktop reference guide. This book and its contents are solely the work of Miguel Pérez Colino, Pablo Iranzo Gómez, and Scott McCarty. The content does not reflect the views of their employer (Red Hat Inc.). This work has no connection to Red Hat, Inc. and is not endorsed or supported by Red Hat, Inc.

Rejestr Windows 7. Praktyczne przykłady

Witold Wrotek

Zajrzyj pod maskę systemu Windows 7 Poznaj budowę rejestru systemowego Naucz się edytować klucze i modyfikować wartości Odkryj potężne możliwości dostosowywania środowiska do swoich potrzeb Rejestr Windows jest bazą danych konfiguracyjnych, za pomocą których można kontrolować każdy aspekt działania systemu operacyjnego. Zawiera on informacje na temat zainstalowanego w komputerze sprzętu i oprogramowania, a także ustawienia związane z poszczególnymi użytkownikami środowiska. Edytując wpisy przechowywane w rejestrze, można w znacznym stopniu dostosować wygląd i sposób funkcjonowania systemu do własnych potrzeb oraz zoptymalizować jego pracę w celu zwiększenia ogólnej wydajności komputera. Aby osiągnąć odpowiednie efekty, niczego przy okazji nie psując, trzeba oczywiście dysponować wiedzą, przez niektórych uważaną za niemal magiczną. Dzięki książce "Rejestr Windows 7. Praktyczne przykłady " również Ty możesz dołączyć do grona osób wtajemniczonych. Dowiesz się z niej, jak zbudowany jest ów rejestr i jaką rolę pełnią poszczególne jego elementy. Nauczysz się zabezpieczać go przed awariami i właściwie reagować w sytuacjach, gdy mimo wszystko wystąpi jakiś błąd. Poznasz możliwości drzemiące w rejestrze i metody wykorzystywania ich w celu modyfikacji interfejsu środowiska czy działania dostępnych w nim narzędzi. Odkryjesz również sposoby optymalizacji i defragmentacji rejestru, a wszystko to bez konieczności wczytywania się w techniczną nowomowę i przebijania przez niezrozumiałą dokumentację. Szybko, łatwo, praktycznie. Struktura i funkcje rejestru systemu Windows 7 Sposoby dodawania oraz edytowania kluczy i wartości Zabezpieczanie rejestru przed awariami i postępowanie w przypadku ich wystąpienia Dostosowywanie interfejsu systemu do swoich potrzeb Kontrolowanie działania aplikacji i narzędzi systemowych Zarządzanie usługami z poziomu rejestru Utrzymywanie rejestru w dobrej kondycji

RHCSA Red Hat Enterprise Linux 9. Comprehensive Mastery for Advanced System Administration and Certification Success

Asghar Ghori

Embark on a journey through Red Hat Enterprise Linux 9, beginning with the basics of local installation and initial system interactions. Our course guides you through fundamental and advanced file management techniques, ensuring you can handle any file-related tasks with ease. Explore user management in-depth, from basic to advanced levels, providing you with the skills to manage users and groups effectively.Delve into the core aspects of the Linux operating system, including the Bash shell, process management, and job scheduling. Gain expertise in package management, both basic and advanced, to keep your system up-to-date and efficient. Understand the intricacies of the Linux boot process, system initialization, and system tuning to optimize performance and reliability.The course also covers essential networking concepts, including device management, connections, and hostname resolution. You'll learn to secure your system with SSH, firewall configuration, and SELinux. Additionally, explore storage management, local file systems, and swap configurations to ensure robust data handling. Finally, enhance your automation skills with shell scripting and containers, preparing you for modern DevOps environments.

Robotic Process Automation with Blue Prism Quick Start Guide. Create software robots and automate business processes

Lim Mei Ying

Robotic process automation is a form of business process automation where user-configured robots can emulate the actions of users. Blue Prism is a pioneer of robotic process automation software, and this book gives you a solid foundation to programming robots with Blue Prism. If you've been tasked with automating work processes, but don't know where to start, this is the book for you!You begin with the business case for robotic process automation, and then move to implementation techniques with the leading software for enterprise automation, Blue Prism. You will become familiar with the Blue Prism Studio by creating your first process. You will build upon this by adding pages, data items, blocks, collections, and loops. You will build more complex processes by learning about actions, decisions, choices, and calculations. You will move on to teach your robot to interact with applications such as Internet Explorer. This can be used for spying elements that identify what your robot needs to interact with on the screen.You will build the logic behind a business objects by using read, write, and wait stages. You will then enable your robot to read and write to Excel and CSV files. This will finally lead you to train your robot to read and send emails in Outlook. You will learn about the Control Room, where you will practice adding items to a queue, processing the items and updating the work status.Towards the end of this book you will also teach your robot to handle errors and deal with exceptions. The book concludes with tips and coding best practices for Blue Prism.

Robust Cloud Integration with Azure. Unleash the power of serverless integration with Azure

Gyanendra Kumar Gautam, Ashish Bhambhani, Abhishek Kumar, James Corbould, ...

Any software developers, architects, and technical managers lookng to learn about Azure IaaS essentials need look no further. This book is ideal for Microsoft Enterprise developers, DevOps or any IT professionals looking to connect cloud-based and on-premises systems with Azure.

ROS Robotics By Example. Learning to control wheeled, limbed, and flying robots using ROS Kinetic Kame - Second Edition

Carol Fairchild, Dr. Thomas L. Harman

ROS is a robust robotics framework that works regardless of hardware architecture or hardware origin. It standardizes most layers of robotics functionality from device drivers to process control and message passing to software package management. But apart from just plain functionality, ROS is a great platform to learn about robotics itself and to simulate, as well as actually build, your first robots. This does not mean that ROS is a platform for students and other beginners; on the contrary, ROS is used all over the robotics industry to implement flying, walking and diving robots, yet implementation is always straightforward, and never dependent on the hardware itself.ROS Robotics has been the standard introduction to ROS for potential professionals and hobbyists alike since the original edition came out; the second edition adds a gradual introduction to all the goodness available with the Kinetic Kame release.By providing you with step-by-step examples including manipulator arms and flying robots, the authors introduce you to the new features. The book is intensely practical, with space given to theory only when absolutely necessary. By the end of this book, you will have hands-on experience on controlling robots with the best possible framework.

Rust Quick Start Guide. The easiest way to learn Rust programming

Daniel Arbuckle

Rust is an emerging programming language applicable to areas such as embedded programming, network programming, system programming, and web development. This book will take you from the basics of Rust to a point where your code compiles and does what you intend it to do!This book starts with an introduction to Rust and how to get set for programming, including the rustup and cargo tools for managing a Rust installation and development work?ow.Then you'll learn about the fundamentals of structuring a Rust program, such as functions, mutability, data structures, implementing behavior for types, and many more. You will also learn about concepts that Rust handles differently from most other languages.After understanding the Basics of Rust programming, you will learn about the core ideas, such as variable ownership, scope, lifetime, and borrowing. After these key ideas, you will explore making decisions in Rust based on data types by learning about match and if let expressions. After that, you'll work with different data types in Rust, and learn about memory management and smart pointers.

Salesforce CRM - The Definitive Admin Handbook. Successfully administer Salesforce CRM and Salesforce mobile implementations with best practices and real-world scenarios

Paul Goodey

Salesforce CRM Admin Cookbook. Solutions to help you implement, configure, and customize your business applications with Salesforce CRM and Lightning Experience - Second Edition

Paul Goodey

Salesforce CRM is a market-leading customer relationship management (CRM) application that is accessed over the internet. This application greatly enhances a company's sales performance, improves customer satisfaction, and provides a robust customer relationship management system for an organization.Salesforce CRM Admin Cookbook, Second Edition enables you to instantly extend and unleash the power of Salesforce CRM and its Lightning Experience framework. It provides clear, comprehensive instructions along with detailed screenshots and code. Whether you are looking for solutions to enhance the core features, such as data management, process automation, data validation, and home page administration, or are looking for ideas on advanced customization techniques, this book will provide you with immediate, practical, and exciting real-world recipes. This book guides you through interesting topics spanning a variety of functional areas. Recipes are provided that allow you to configure, build and extend the capability of Salesforce CRM using the Lightning Experience framework.

Salt Cookbook. Over 80 hands-on recipes to efficiently configure and manage your infrastructure with Salt

Anirban Saha

Security Automation with Ansible 2. Leverage Ansible 2 to automate complex security tasks like application security, network security, and malware analysis

Akash Mahajan, MADHU AKULA

Security automation is one of the most interesting skills to have nowadays. Ansible allows you to write automation procedures once and use them across your entire infrastructure. This book will teach you the best way to use Ansible for seemingly complex tasks by using the various building blocks available and creating solutions that are easy to teach others, store for later, perform version control on, and repeat.We’ll start by covering various popular modules and writing simple playbooks to showcase those modules. You’ll see how this can be applied over a variety of platforms and operating systems, whether they are Windows/Linux bare metal servers or containers on a cloud platform. Once the bare bones automation is in place, you’ll learn how to leverage tools such as Ansible Tower or even Jenkins to create scheduled repeatable processes around security patching, security hardening, compliance reports, monitoring of systems, and so on. Moving on, you’ll delve into useful security automation techniques and approaches, and learn how to extend Ansible for enhanced security. While on the way, we will tackle topics like how to manage secrets, how to manage all the playbooks that we will create and how to enable collaboration using Ansible Galaxy. In the final stretch, we’ll tackle how to extend the modules of Ansible for our use, and do all the previous tasks in a programmatic manner to get even more powerful automation frameworks and rigs.

Security Monitoring with Wazuh. A hands-on guide to effective enterprise security using real-life use cases in Wazuh

Rajneesh Gupta, Santiago Bassett

Explore the holistic solution that Wazuh offers to improve your organization’s cybersecurity posture with this insightful guide. Security Monitoring with Wazuh is a comprehensive resource, covering use cases, tool integration, and compliance monitoring to equip you with the skills you need to build an enterprise-level defense system.The book begins by setting up an Intrusion Detection System (IDS), integrating the open-source tool Suricata with the Wazuh platform, and then explores topics such as network and host-based intrusion detection, monitoring for known vulnerabilities, exploits, and detecting anomalous behavior. As you progress, you’ll learn how to leverage Wazuh’s capabilities to set up Security Orchestration, Automation, and Response (SOAR). The chapters will lead you through the process of implementing security monitoring practices aligned with industry standards and regulations. You’ll also master monitoring and enforcing compliance with frameworks such as PCI DSS, GDPR, and MITRE ATT&CK, ensuring that your organization maintains a strong security posture while adhering to legal and regulatory requirements.By the end of this book, you’ll be proficient in harnessing the power of Wazuh and have a deeper understanding of effective security monitoring strategies.

SELinux Cookbook. Over 70 hands-on recipes to develop fully functional policies to confine your applications and users using SELinux

Sven Vermeulen

SELinux System Administration. Effectively secure your Linux systems with SELinux - Second Edition

Sven Vermeulen

Do you have the crucial job of protecting your private and company systems from malicious attacks and undefined application behavior? Are you looking to secure your Linux systems with improved access controls? Look no further, intrepid administrator! This book will show you how to enhance your system’s secure state across Linux distributions, helping you keep application vulnerabilities at bay. This book covers the core SELinux concepts and shows you how to leverage SELinux to improve the protection measures of a Linux system. You will learn the SELinux fundamentals and all of SELinux’s configuration handles including conditional policies, constraints, policy types, and audit capabilities. These topics are paired with genuine examples of situations and issues you may come across as an administrator. In addition, you will learn how to further harden the virtualization offering of both libvirt (sVirt) and Docker through SELinux. By the end of the book you will know how SELinux works and how you can tune it to meet your needs.

SELinux System Administration. Implement mandatory access control to secure applications, users, and information flows on Linux - Third Edition

Sven Vermeulen

Linux is a dominant player in many organizations and in the cloud. Securing the Linux environment is extremely important for any organization, and Security-Enhanced Linux (SELinux) acts as an additional layer to Linux system security. SELinux System Administration covers basic SELinux concepts and shows you how to enhance Linux system protection measures. You will get to grips with SELinux and understand how it is integrated. As you progress, you’ll get hands-on experience of tuning and configuring SELinux and integrating it into day-to-day administration tasks such as user management, network management, and application maintenance. Platforms such as Kubernetes, system services like systemd, and virtualization solutions like libvirt and Xen, all of which offer SELinux-specific controls, will be explained effectively so that you understand how to apply and configure SELinux within these applications. If applications do not exert the expected behavior, you’ll learn how to fine-tune policies to securely host these applications. In case no policies exist, the book will guide you through developing custom policies on your own.By the end of this Linux book, you’ll be able to harden any Linux system using SELinux to suit your needs and fine-tune existing policies and develop custom ones to protect any app and service running on your Linux systems.

Senior pracuje z Windows 10

Malwina Jarosz

Senior pracuje z Windows 10 to pierwsza z czterech książek wprowadzających w tajniki pracy na komputerze. Część pierwsza skupia się wokół obsługi systemu Windows 10 zainstalowanym na komputerze stacjonarnym lub przenośnym, a z myślą o osobach starszych zastosowano większą czcionkę. Książka została przygotowana w taki sposób aby użytkownik z różnym stopniem zaawansowania odnalazł coś dla siebie. Przedstawione zostały podstawowe pojęcia, nazwy związane ze sprzętem, systemem Windows i oprogramowaniem użytkowym. Po przeczytaniu książki, każdy czytelnik powinien potrafić dostosować system do swojej wygody, poukładać ikony i kafelki aplikacji, dostosować pulpit i ekran do odpowiedniej skali. Bez problemu również każdy senior uporządkuje informacje zapisane w plikach w odpowiednich segregatorach cyfrowych, zwanych folderami. Kłopotu też nie powinno przysporzyć podłączenie komputera do telewizora, dołączenie drukarki, głośnika czy myszki bezprzewodowej.

Serverless Architectures with AWS. Discover how you can migrate from traditional deployments to serverless architectures with AWS

Mohit Gupta

Serverless Architecture with AWS begins with an introduction to the serverless model and helps you get started with AWS and Lambda. You'll also get to grips with other capabilities of the AWS Serverless Platform and see how AWS supports enterprise-grade serverless applications with and without Lambda.This book will guide you in deploying your first serverless project and exploring the capabilities of serverless Amazon Athena, an interactive query service that makes it easy to analyze data in Amazon Simple Storage Service (S3 Amazon) using standard SQL. You’ll also learn about AWS Glue, a fully managed ETL service that makes categorizing data easy and cost-effective. You'll study how Amazon Kinesis makes it possible to unleash the potential of real-time data insights and analytics with capabilities such as video streams, data streams, data firehose, and data analytics. Last but not least, you’ll be equipped to combine Amazon Kinesis capabilities with AWS Lambda to create lightweight serverless architectures.By the end of the book, you will be ready to create and run your first serverless application that takes advantage of the high availability, security, performance, and scalability of AWS.

Serverless Architectures with Kubernetes. Create production-ready Kubernetes clusters and run serverless applications on them

Onur Yilmaz, Sathsara Sarathchandra

Kubernetes has established itself as the standard platform for container management, orchestration, and deployment. By learning Kubernetes, you’ll be able to design your own serverless architecture by implementing the function-as-a-service (FaaS) model.After an accelerated, hands-on overview of the serverless architecture and various Kubernetes concepts, you’ll cover a wide range of real-world development challenges faced by real-world developers, and explore various techniques to overcome them. You’ll learn how to create production-ready Kubernetes clusters and run serverless applications on them. You'll see how Kubernetes platforms and serverless frameworks such as Kubeless, Apache OpenWhisk and OpenFaaS provide the tooling to help you develop serverless applications on Kubernetes. You'll also learn ways to select the appropriate framework for your upcoming project. By the end of this book, you’ll have the skills and confidence to design your own serverless applications using the power and flexibility of Kubernetes.

Serverless computing in Azure with .NET. Build, test, and automate deployment

Sasha Rosenbaum

Serverless architecture allows you to build and run applications and services without having to manage the infrastructure. Many companies have started adopting serverless architecture for their applications to save cost and improve scalability. This book will be your companion in designing Serverless architecture for your applications using the .NET runtime, with Microsoft Azure as the cloud service provider. You will begin by understanding the concepts of Serverless architecture, its advantages and disadvantages. You will then set up the Azure environment and build a basic application using a sample text sentiment evaluation function. From here, you will be shown how to run services in a Serverless environment. We will cover the integration with other Azure and 3rd party services such as Azure Service Bus, as well as configuring dependencies on NuGet libraries, among other topics. After this, you will learn about debugging and testing your Azure functions, and then automating deployment from source control. Securing your application and monitoring its health will follow from there, and then in the final part of the book, you will learn how to Design for High Availability, Disaster Recovery and Scale, as well as how to take advantage of the cloud pay-as-you-go model to design cost-effective services. We will finish off with explaining how azure functions scale up against AWS Lambda, Azure Web Jobs, and Azure Batch compare to other types of compute-on-demand services.Whether you’ve been working with Azure for a while, or you’re just getting started, by the end of the book you will have all the information you need to set up and deploy applications to the Azure Serverless Computing environment.

Serverless Design Patterns and Best Practices. Build, secure, and deploy enterprise ready serverless applications with AWS to improve developer productivity

Brian Zambrano

Serverless applications handle many problems that developers face when running systems and servers. The serverless pay-per-invocation model can also result in drastic cost savings, contributing to its popularity. While it's simple to create a basic serverless application, it's critical to structure your software correctly to ensure it continues to succeed as it grows. Serverless Design Patterns and Best Practices presents patterns that can be adapted to run in a serverless environment. You will learn how to develop applications that are scalable, fault tolerant, and well-tested. The book begins with an introduction to the different design pattern categories available for serverless applications. You will learn thetrade-offs between GraphQL and REST and how they fare regarding overall application design in a serverless ecosystem. The book will also show you how to migrate an existing API to a serverless backend using AWS API Gateway. You will learn how to build event-driven applications using queuing and streaming systems, such as AWS Simple Queuing Service (SQS) and AWS Kinesis. Patterns for data-intensive serverless application are also explained, including the lambda architecture and MapReduce. This book will equip you with the knowledge and skills you need to develop scalable and resilient serverless applications confidently.

Serverless Integration Design Patterns with Azure. Build powerful cloud solutions that sustain next-generation products

Abhishek Kumar, Srinivasa Mahendrakar

With more enterprises adapting cloud-based and API-based solutions, application integration has become more relevant and significant than ever before. Parallelly, Serverless Integration has gained popularity, as it helps agile organizations to build integration solutions quickly without having to worry about infrastructure costs. With Microsoft Azure’s serverless offerings, such as Logic Apps, Azure Functions, API Management, Azure Event Grid and Service Bus, organizations can build powerful, secure, and scalable integration solutions with ease.The primary objective of this book is to help you to understand various serverless offerings included within Azure Integration Services, taking you through the basics and industry practices and patterns. This book starts by explaining the concepts of services such as Azure Functions, Logic Apps, and Service Bus with hands-on examples and use cases. After getting to grips with the basics, you will be introduced to API Management and building B2B solutions using Logic Apps Enterprise Integration Pack.This book will help readers to understand building hybrid integration solutions and touches upon Microsoft Cognitive Services and leveraging them in modern integration solutions. Industry practices and patterns are brought to light at appropriate opportunities while explaining various concepts.