Conducting a Telephone Interview. Master the art of conducting a telephone interview to make the most effective hiring decisions

Vaibhav Gupta

Zabbix 5 IT Infrastructure Monitoring Cookbook. Explore the new features of Zabbix 5 for designing, building, and maintaining your Zabbix setup

Nathan Liefting, Brian van Baekel

Zabbix offers useful insights into your infrastructure performance and issues and enables you to enhance your monitoring setup with its variety of powerful features. This book covers hands-on, easy-to-follow recipes for using Zabbix 5 for effectively monitoring the performance of devices and applications over networks.The book starts by guiding you through the installation of Zabbix and using the Zabbix frontend. You'll then work your way through the most prominent features of Zabbix and make the right design choices for building a scalable and easily manageable environment. The book contains recipes for building items and triggers for different types of monitoring, building templates, and using Zabbix proxies. As you advance, you’ll learn how to use the Zabbix API for customization and manage your Zabbix server and database efficiently. Finally, you'll find quick solutions to the common and not-so-common problems that you may encounter in your everyday Zabbix monitoring work.By the end of this Zabbix book, you’ll have learned how to use Zabbix for all your monitoring needs and be able to build a solid Zabbix setup by leveraging its key functionalities.

RESTful Java Web Services Security. Secure your RESTful applications against common vulnerabilities with this book and

René Enríquez

Docker Deep Dive. Zero to Docker in a single book - Third Edition

Nigel Poulton

Embark on a transformative journey into the world of Docker and containers with this expertly crafted course. Starting with a high-level overview, you'll gain a solid understanding of containers and the significance of Docker in modern software development. Delve into Docker's core components, exploring essential standards, projects, and the intricacies of the Docker Engine, ensuring a robust foundation.As you progress, practical hands-on modules will guide you through working with images and containers, containerizing applications, and managing multi-container setups using Docker Compose. You'll learn to deploy applications efficiently with Docker Swarm and Docker Stacks, enhancing your ability to manage and scale containerized applications. The course also introduces Docker's integration with WebAssembly, offering a glimpse into cutting-edge container technologies.Concluding with advanced topics, you'll master Docker networking, including overlay networks and persistent data management with volumes. Emphasis on Docker security ensures you can safeguard your applications and data effectively. By the end of this course, you'll possess the skills and knowledge to leverage Docker's full capabilities, from development to deployment, ensuring you remain at the forefront of container technology.

Pentaho Data Integration Cookbook. The premier open source ETL tool is at your command with this recipe-packed cookbook. Learn to use data sources in Kettle, avoid pitfalls, and dig out the advanced features of Pentaho Data Integration the easy way. - Second Edition

Adrian Sergio Pulvirenti, María Carina Roldán, Alex Meadows

Pentaho Data Integration is the premier open source ETL tool, providing easy, fast, and effective ways to move and transform data. While PDI is relatively easy to pick up, it can take time to learn the best practices so you can design your transformations to process data faster and more efficiently. If you are looking for clear and practical recipes that will advance your skills in Kettle, then this is the book for you.Pentaho Data Integration Cookbook Second Edition guides you through the features of explains the Kettle features in detail and provides easy to follow recipes on file management and databases that can throw a curve ball to even the most experienced developers.Pentaho Data Integration Cookbook Second Edition provides updates to the material covered in the first edition as well as new recipes that show you how to use some of the key features of PDI that have been released since the publication of the first edition. You will learn how to work with various data sources – from relational and NoSQL databases, flat files, XML files, and more. The book will also cover best practices that you can take advantage of immediately within your own solutions, like building reusable code, data quality, and plugins that can add even more functionality.Pentaho Data Integration Cookbook Second Edition will provide you with the recipes that cover the common pitfalls that even seasoned developers can find themselves facing. You will also learn how to use various data sources in Kettle as well as advanced features.

Modern Programming: Object Oriented Programming and Best Practices. Deconstruct object-oriented programming and use it with other programming paradigms to build applications

Graham Lee

Your experience and knowledge always influence the approach you take and the tools you use to write your programs. With a sound understanding of how to approach your goal and what software paradigms to use, you can create high-performing applications quickly and efficiently.In this two-part book, you’ll discover the untapped features of object-oriented programming and use it with other software tools to code fast and efficient applications. The first part of the book begins with a discussion on how OOP is used today and moves on to analyze the ideas and problems that OOP doesn’t address. It continues by deconstructing the complexity of OOP, showing you its fundamentally simple core. You’ll see that, by using the distinctive elements of OOP, you can learn to build your applications more easily.The next part of this book talks about acquiring the skills to become a better programmer. You’ll get an overview of how various tools, such as version control and build management, help make your life easier. This book also discusses the pros and cons of other programming paradigms, such as aspect-oriented programming and functional programming, and helps to select the correct approach for your projects. It ends by talking about the philosophy behind designing software and what it means to be a good developer.By the end of this two-part book, you will have learned that OOP is not always complex, and you will know how you can evolve into a better programmer by learning about ethics, teamwork, and documentation.

CompTIA A+ Practice Test Core 1 (220-1101). Over 500 practice questions to help you pass the CompTIA A+ Core 1 exam on your first attempt

Ian Neil, Mark Birch

CompTIA A+ certification is a trusted credential that’s highly sought after by professionals looking to prove their mettle in today’s digital world. This book will provide you with exam-oriented practice material mirroring the A+ exam’s level of difficulty to prepare you for every challenge that the exam might throw at you.This book is a compilation of hundreds of carefully curated practice questions on each domain, including mobile devices, networking, hardware, virtualization and cloud computing, as well as hardware and network troubleshooting. The realistic tests are designed in a way to help you accelerate your preparation to achieve the industry-celebrated A+ certification.By the end of this practice book, you’ll be well-prepared to pass the CompTIA A+ Core 1 (220-1101) exam with confidence.

Delphi High Performance. Master the art of concurrency, parallel programming, and memory management to build fast Delphi apps - Second Edition

Primož Gabrijelčič

Performance matters! Users hate to use programs that are not responsive to interactions or run too slow to be useful. While becoming a programmer is simple enough, you require dedication and hard work to achieve an advanced level of programming proficiency where you know how to write fast code.This book begins by helping you explore algorithms and algorithmic complexity and continues by describing tools that can help you find slow parts of your code. Subsequent chapters will provide you with practical ideas about optimizing code by doing less work or doing it in a smarter way. The book also teaches you how to use optimized data structures from the Spring4D library, along with exploring data structures that are not part of the standard Delphi runtime library.The second part of the book talks about parallel programming. You’ll learn about the problems that only occur in multithreaded code and explore various approaches to fixing them effectively. The concluding chapters provide instructions on writing parallel code in different ways – by using basic threading support or focusing on advanced concepts such as tasks and parallel patterns.By the end of this book, you’ll have learned to look at your programs from a totally different perspective and will be equipped to effortlessly make your code faster than it is now.

Cloud Native Automation with Google Cloud Build. Easily automate tasks in a fully managed, scalable, and secure platform

Anthony Bushong, Kent Hua

When adopting cloud infrastructure, you are often looking to modernize the automation of workflows such as continuous integration and software delivery. Minimizing operational overhead via fully managed solutions such as Cloud Build can be tough. Moreover, learning Cloud Build’s API and build schema, scalability, security, and integrating Cloud Build with other external systems can be challenging. This book helps you to overcome these challenges by cementing a Google Cloud Build foundation.The book starts with an introduction to Google Cloud Build and explains how it brings value via automation. You will then configure the architecture and environment in which builds run while learning how to execute these builds. Next, you will focus on writing and configuring fully featured builds and executing them securely. You will also review Cloud Build's functionality with practical applications and set up a secure delivery pipeline for GKE. Moving ahead, you will learn how to manage safe roll outs of cloud infrastructure with Terraform. Later, you will build a workflow from local source to production in Cloud Run. Finally, you will integrate Cloud Build with external systems while leveraging Cloud Deploy to manage roll outs.By the end of this book, you’ll be able to automate workflows securely by leveraging the principles of Google Cloud Build.

Hands-On Graph Analytics with Neo4j. Perform graph processing and visualization techniques using connected data across your enterprise

Estelle Scifo

Neo4j is a graph database that includes plugins to run complex graph algorithms.The book starts with an introduction to the basics of graph analytics, the Cypher query language, and graph architecture components, and helps you to understand why enterprises have started to adopt graph analytics within their organizations. You’ll find out how to implement Neo4j algorithms and techniques and explore various graph analytics methods to reveal complex relationships in your data. You’ll be able to implement graph analytics catering to different domains such as fraud detection, graph-based search, recommendation systems, social networking, and data management. You’ll also learn how to store data in graph databases and extract valuable insights from it. As you become well-versed with the techniques, you’ll discover graph machine learning in order to address simple to complex challenges using Neo4j. You will also understand how to use graph data in a machine learning model in order to make predictions based on your data. Finally, you’ll get to grips with structuring a web application for production using Neo4j.By the end of this book, you’ll not only be able to harness the power of graphs to handle a broad range of problem areas, but you’ll also have learned how to use Neo4j efficiently to identify complex relationships in your data.

Learn PostgreSQL. Use, manage, and build secure and scalable databases with PostgreSQL 16 - Second Edition

Luca Ferrari, Enrico Pirozzi

The latest edition of this PostgreSQL book will help you to start using PostgreSQL from absolute scratch, helping you to quickly understand the internal workings of the database. With a structured approach and practical examples, go on a journey that covers the basics, from SQL statements and how to run server-side programs, to configuring, managing, securing, and optimizing database performance.This new edition will not only help you get to grips with all the recent changes within the PostgreSQL ecosystem but will also dig deeper into concepts like partitioning and replication with a fresh set of examples. The book is also equipped with Docker images for each chapter which makes the learning experience faster and easier. Starting with the absolute basics of databases, the book sails through to advanced concepts like window functions, logging, auditing, extending the database, configuration, partitioning, and replication. It will also help you seamlessly migrate your existing database system to PostgreSQL and contains a dedicated chapter on disaster recovery. Each chapter ends with practice questions to test your learning at regular intervals.By the end of this book, you will be able to install, configure, manage, and develop applications against a PostgreSQL database.

Production Ready OpenStack - Recipes for Successful Environments. Production Ready OpenStack - Recipes for Successful Environments

Arthur Berezin

OpenStack is the most popular open source cloud platform used by organizations building internal private clouds and by public cloud providers. OpenStack is designed in a fully distributed architecture to provide Infrastructure as a Service, allowing us to maintain a massively scalable cloud infrastructure. OpenStack is developed by a vibrant community of open source developers who come from the largest software companies in the world.The book provides a comprehensive and practical guide to the multiple uses cases and configurations that OpenStack supports. This book simplifies the learning process by guiding you through how to install OpenStack in a single controller configuration.The book goes deeper into deploying OpenStack in a highly available configuration. You'll then configure Keystone Identity Services using LDAP, Active Directory, or the MySQL identity provider and configure a caching layer and SSL. After that, you will configure storage back-end providers for Glance and Cinder, which will include Ceph, NFS, Swift, and local storage. Then you will configure the Neutron networking service with provider network VLANs, and tenant network VXLAN and GRE.Also, you will configure Nova's Hypervisor with KVM, and QEMU emulation, and you will configure Nova's scheduler filters and weights. Finally, you will configure Horizon to use Apache HTTPD and SSL, and you will customize the dashboard's appearance.

Effective Platform Product Management. An effortless strategy and execution guide for product managers who want to scale their platform business model and grow their customer base

Tabassum Memon

Scaling a platform is a lot different than scaling a product. This is why product managers developing or transitioning to a platform model are often facing completely new challenges – both technical and strategic. But if you want to build the next Amazon, Netflix, Spotify, or a completely new type of platform, then you need to adopt a platform-first approach to change how you invent, develop, and market solutions. This is where Effective Product Platform Management comes in.This book addresses product management as a critical pillar of platform development. It'll help you understand the difference between traditional and modern product management for platforms and even decide whether the platform business model is the way to go for you.As you progress, you’ll be able to build the right platform strategy, define the MVP, and focus on ongoing backlog prioritization for successful platforms. This book will also walk you through the practical steps and guidelines that can ease your organization’s transition from linear products to platforms.By the end of this platform product management book, you’ll have learned the essential aspects of product management for building successful and scalable platforms. You’ll also have a clear understanding of the next steps you need to take to perfect and execute your new platform strategy – and take on the world.

Microsoft Dynamics AX 2009 Development Cookbook. Solve real-world Microsoft Dynamics AX development problems with over 60 simple but incredibly effective recipes with this book and

Mindaugas Pocius

Microsoft Dynamics AX provides a comprehensive Enterprise Resource Planning (ERP) solution for mid-size and larger organizations. Dynamics AX implementations are used worldwide by thousands of customers. With the new version - Dynamics AX 2009 - the system is due to expand even more rapidly.Every new implementation requires some level of customization, and all organizations want this to be done to the highest standards using proven approaches. This step-by-step guide will help you manage your company's ERP information and operations efficiently, and solve your business process problems in an effective and quick way. This book focuses on commonly used custom modifications in major Dynamics AX modules. This book contains commonly used bits of code which were real-world tested in at least one successful Dynamics AX implementation. Many of the recipes were deployed in many implementations and even across several versions of Dynamics AX. The examples in this book cover various areas of Dynamics AX to help developers not only learn about programming, but also about the functional side of Dynamics AX. The book should help developers who already know the basics of Dynamics AX programming to step up to the next level.The recipes allow you to look at the development from the perspective of business processes. You will learn to enhance your user interface using various Dynamics AX UI elements. Managing your data and functions will become easier. You will also get numerous development tips and tricks from a Dynamics AX development expert.

Instant MongoDB. Get up to speed with one of the the world's most popular NoSQLdatabase

Amol Nayak

MongoDB is a high-performance and feature-rich Document Orientated Database. This popular, highly scalableNoSQL database is used to power some of the world's most used applications and websites.MongoDB Starter is designed to get you working with MongoDB as quickly as possible. Starting with the installation and setup, we quickly show you how to start importing your data into the database. Furthermore, you will learn about CRUD operations in MongoDB, its Map Reduce support, schema design, and performance tuning operations.After successfully installing and setting up MongoDB, you will be introduced to important configuration parameters and the terminologies used in the Mongo world and their equivalent in the relational world. You will learn how to import data into the database and connect to the MongoDB from the Mongo shell and execute some queries. We will then move on to advanced topics such as performing insert, update and upsert(update + insert) operations, executing advanced queries, schema design concepts, and creating indexes for performance. MongoDB Starter finishes with a look at the new aggregation framework, Map Reduce operations, and how to bulk import and export data.

Getting Started with Drupal Commerce. Learn everything you need to know in order to get your first Drupal Commerce website set up and trading

Richard Jones

Drupal Commerce is emerging as the preferred option for open source e-commerce, and it also stands up to comparison against established proprietary systems.Getting Started with Drupal Commerce is an introductory guide to building an online store using Drupal Commerce in Drupal 7.Getting Started with Drupal Commerce takes you step-by-step through a complete e-commerce website build, from a clean installation of Drupal to a working example store. Starting with how to set up a Drupal development environment, we then discuss the planning of an e-commerce site and the typical questions you should be asking before getting started.Next, we walk through all of the essential setup required for most types of e-shop, including taxes, shipping, discounts and coupons, the checkout process, and backend order management. By the end of Getting Started with Drupal Commerce, you will be fully-equipped to plan and build your own store and you will understand the fundamental principles of Drupal Commerce that will enable you to progress to more complex store builds.

Mastering KVM Virtualization. Dive in to the cutting edge techniques of Linux KVM virtualization, and build the virtualization solutions your datacentre demands

Humble Devassy Chirammal, Anil Vettathu, Prasad Mukhedkar

A robust datacenter is essential for any organization – but you don’t want to waste resources. With KVM you can virtualize your datacenter, transforming a Linux operating system into a powerful hypervisor that allows you to manage multiple OS with minimal fuss.This book doesn’t just show you how to virtualize with KVM – it shows you how to do it well. Written to make you an expert on KVM, you’ll learn to manage the three essential pillars of scalability, performance and security – as well as some useful integrations with cloud services such as OpenStack. From the fundamentals of setting up a standalone KVM virtualization platform, and the best tools to harness it effectively, including virt-manager, and kimchi-project, everything you do is built around making KVM work for you in the real-world, helping you to interact and customize it as you need it. With further guidance on performance optimization for Microsoft Windows and RHEL virtual machines, as well as proven strategies for backup and disaster recovery, you’ll can be confident that your virtualized data center is working for your organization – not hampering it. Finally, the book will empower you to unlock the full potential of cloud through KVM. Migrating your physical machines to the cloud can be challenging, but once you’ve mastered KVM, it’s a little easie.

Essential Computer Hardware. Understanding the Building Blocks of Modern Technology and Securing Your Digital World

Kevin Wilson

You'll begin this course with basic computer fundamentals, setting the foundation for critical hardware components that power every computing device. From motherboards to processors, you'll gain a solid understanding of how these elements work together to create a functioning computer.As you progress, you'll uncover the importance of peripheral devices, discovering how external components interact with the core hardware. The course also covers the diverse types of computers, ranging from personal desktops to powerful servers, and guides you in interpreting hardware specifications to make informed decisions when purchasing or upgrading equipment. The course continues with an introduction to computer software, focusing on the relationship between hardware & the programs that bring them to life.In the final stages, the course shifts its focus to computer networks and the internet, offering insights into how devices connect and communicate on a global scale. You'll explore the essential principles of internet security, learning how to protect your devices and data from online threats. By the end of this course, you'll have a well-rounded understanding of both the physical and digital aspects of computing, empowering you to navigate the technological landscape with confidence.

Data Analysis with R. A comprehensive guide to manipulating, analyzing, and visualizing data in R - Second Edition

Tony Fischetti

Frequently the tool of choice for academics, R has spread deep into the private sector and can be found in the production pipelines at some of the most advanced and successful enterprises. The power and domain-specificity of R allows the user to express complex analytics easily, quickly, and succinctly. Starting with the basics of R and statistical reasoning, this book dives into advanced predictive analytics, showing how to apply those techniques to real-world data though with real-world examples.Packed with engaging problems and exercises, this book begins with a review of R and its syntax with packages like Rcpp, ggplot2, and dplyr. From there, get to grips with the fundamentals of applied statistics and build on this knowledge to perform sophisticated and powerful analytics. Solve the difficulties relating to performing data analysis in practice and find solutions to working with messy data, large data, communicating results, and facilitating reproducibility.This book is engineered to be an invaluable resource through many stages of anyone’s career as a data analyst.

The Infinite Retina. Spatial Computing, Augmented Reality, and how a collision of new technologies are bringing about the next tech revolution

Irena Cronin, Robert Scoble, Steve Wozniak

What is Spatial Computing and why is everyone from Tesla, Apple, and Facebook investing heavily in it?In The Infinite Retina, authors Irena Cronin and Robert Scoble attempt to answer that question by helping you understand where Spatial Computing?an augmented reality where humans and machines can interact in a physical space?came from, where it's going, and why it's so fundamentally different from the computers or mobile phones that came before.They present seven visions of the future and the industry verticals in which Spatial Computing has the most influence?Transportation; Technology, Media, and Telecommunications; Manufacturing; Retail; Healthcare; Finance; and Education.The book also shares insights about the past, present, and future from leading experts an other industry veterans and innovators, including Sebastian Thrun, Ken Bretschneider, and Hugo Swart. They dive into what they think will happen in Spatial Computing in the near and medium term, and also explore what it could mean for humanity in the long term.The Infinite Retina then leaves it up to you to decide whether Spatial Computing is truly where the future of technology is heading or whether it's just an exciting, but passing, phase.

PowerShell: Automating Administrative Tasks. The art of automating and managing Windows environments

Michael Shepard, Chendrayan Venkatesan, Sherif Talaat, Brenton J.W. Blawat

Are you tired of managing Windows administrative tasks manually and are looking to automate the entire process? If yes, then this is the right course for you. This learning path starts your PowerShell journey and will help you automate the administration of the Windows operating system and applications that run on Windows. It will get you up and running with PowerShell, taking you from the basics of installation to writing scripts and performing web server automation. You will explore the PowerShell environment and discover how to use cmdlets, functions, and scripts to automate Windows systems. The next installment of the course focuses on gaining concrete knowledge of Windows PowerShell scripting to perform professional-level scripting. The techniques here are packed with PowerShell scripts and sample C# code to automate tasks. You will use .NET classes in PowerShell and C# to manage Exchange Online. In the final section, you will delve into real-world examples to learn how to simplify the management of your Windows environment. You will get to grips with PowerShell’s advanced functions and how to most effectively administer your system. This Learning Path combines some of the best that Packt has to offer in one complete, curated package. It includes content from the following Packt products: [*] Getting Started with PowerShell by Michael Shepard [*] Windows PowerShell for .Net Developers Second Edition by Chendrayan Venkatesan and Sherif Talaat[*] Mastering Windows PowerShell Scripting by Brenton J.W. Blawat

Chef Infrastructure Automation Cookbook. Over 80 recipes to automate your cloud and server infrastructure with Chef and its associated toolset

Matthias Marschall

Puppet: Mastering Infrastructure Automation

Jaime Soriano Pastor

Puppet is a configuration management tool that allows you to automate all your IT configurations, giving you control. It was written for and by system administrators to manage large numbers of systems efficiently and prevent configuration drifts. Puppet gives you control of what you do to each node, when you do it, and how you do it.This Learning Path will take you from the basics of Puppet to extending it and then mastering it. We will start off with a primer on Puppet, its installation and get a sneak peek under its hood. We will then move on to designing and deploying your Puppet architecture, learning best practices for writing reusable and maintainable code, and executing, testing, and deploying Puppet across your systems. Finally, we will deal with problems of scale and exceptions in your code, automate workflows, and support multiple developers working simultaneously.This course is based on the following books: 1)Puppet 4 Essentials - Second Edition 2)Extending Puppet - Second Edition 3)Mastering Puppet - Second Edition

qooxdoo Beginner's Guide. Develop Rich Internet Applications (RIA) with Qooxdoo1.4

Qooxdoo, Mohamed Raffi, Rajesh Kumar Bachu, S Mohamed Raffi

Over the past few years, all the major internet or enterprise applications are developed or migrated to Rich Internet Application to support all the features that are provided in the desktop applications. This helps organizations keep the end users happy and also improves application deployment and maintenance. qooxdoo is a stable, open source RIA framework. If you are waiting and watching for the right time to migrate your application to qooxdoo, this is the right time!This book explains in detail about the rich user interface development in qooxdoo. It explains various concepts of qooxdoo framework in an easy to grasp and organized way, making it simple even for a novice in qooxdoo and also increases the competency level of the developer who is already working in qooxdoo.This book helps developers understand the qooxdoo framework, setup the environment, and start the development of RIA using qooxdoo. You will learn the core programming techniques in qooxdoo, user interface development in qooxdoo, testing & debugging qooxdoo applications, internationalization of qooxdoo applications to multiple languages, customizing the look and feel of qooxdoo applications using Themes, Performance management, etc.In the course of the book, we develop a complete application which will help the developer to understand the concepts better and to put things together to see the step-by-step progress to complete an application. By the end, this book will get the developer accustomed to the widgets and API available in the qooxdoo framework, and will enable him to design, develop, debug, and test the RIA in qooxdoo.