Asterisk 1.4 - The Professional's Guide. Implementing, Administering, and Consulting on Commercial IP Telephony Solutions

Colman Carpenter, David Duffett, Ian Plain, Nik Middleton, ...

Asterisk is the leading Open Source Telephony application and PBX software solution. It represents an effective, easy-to-administer, and accessible platform for running enterprise telephony requirements. The real world, however, offers numerous hurdles when running Asterisk in the commercial environment including call routing, resilience, or integrating Asterisk with other systems. This book will show you some of the ways to overcome these problems.As the follow-up to Packt's highly successful 2005 title Building Telephony Systems with Asterisk, this book presents the collected wisdom of Asterisk Professionals in the commercial environment.Aimed at Administrators and Asterisk Consultants who are comfortable with the basics of Asterisk operation and installation, this book covers numerous hands-on topics such as Call Routing, Network Considerations, Scalability, and Resilience ñ all the while providing practical solutions and suggestions. It also covers more business-related areas like Billing Solutions and a Winning Sales Technique. Even if your interest or experience with Asterisk is lower level, this book will provide a deeper understanding of how Asterisk operates in the real world.Asterisk is deployed across countless enterprises globally. Running on Linux, it has constantly demonstrated its resilience, stability, and scalability and is now the advanced communication solution of choice to many organizations and consultants.With a foreword from Mark Spencer, the man behind Asterisk, this book presents the accumulated wisdom of three leading Asterisk Consultants and shows the reader how to get the most out of Asterisk in the commercial environment. Over the course of eleven chapters, this book introduces the reader to topics as diverse as Advanced Dial Plans, Network Considerations, and Call Routing, through to Localization, DAHDI, Speech Technology, and Working with a GUI. The book also covers the more nebulous aspects of being an Asterisk professional such as evaluating customer requirements and pitching for contracts.This book represents the wisdom and thoughts of front line consultants. The knowledge they impart will prove informative, thought provoking and be of lasting interest to Asterisk professionals.

Okta Administration Up and Running. Drive operational excellence with IAM solutions for on-premises and cloud apps - Second Edition

HenkJan de Vries, Lovisa Stenbäcken Stjernlöf

Identity and access management (IAM) is a set of policies and technologies used to ensure an organization’s security, by carefully assigning roles and access to users and devices. This book will get you up and running with Okta, an IAM service that can help you manage both employees and customers.The book begins by helping you understand how Okta can be used as an IAM platform, before teaching you about Universal Directory and how to integrate with other directories and apps, as well as set up groups and policies for Joiner, Mover, and Leaver flows.This updated edition helps you to explore agentless desktop single sign-on (SSO) and multifactor authentication (MFA) solutions, and showing how to utilize Okta to meet NIST requirements. The chapters also walk you through Okta Workflows, low-/no-code automation functionalities, and custom API possibilities used to improve lifecycle management. Finally, you’ll delve into API access auditing and management, where you’ll discover how to leverage Advanced Server Access (ASA) for your cloud servers.By the end of this book, you’ll have learned how to implement Okta to enhance your organization's security and be able to use the book as a reference guide for the Okta certification exam.

Google Cloud Certified Professional Cloud Developer Exam Guide. Modernize your applications using cloud-native services and best practices

Sebastian Moreno

Google Cloud Platform is one of the three major cloud providers in the industry, exhibiting great leadership in application modernization and data management. This book provides a comprehensive introduction for those who are new to cloud development and shows you how to use the tools to create cloud-native applications by integrating the technologies used by Google.The book starts by taking you through the basic programming concepts and security fundamentals necessary for developing in Google Cloud. You'll then discover best practices for developing and deploying applications in the cloud using different components offered by Google Cloud Platform such as Cloud Functions, Google App Engine, Cloud Run, and other GCP technologies. As you advance, you'll learn the basics of cloud storage and choosing the best options for storing different kinds of data as well as understand what site reliability engineers do. In the last part, you'll work on a sample case study of Hip Local, a community application designed to facilitate communication between people nearby, created by the Google Cloud team.By the end of this guide, you'll have learned how to design, develop, and deploy an end-to-end application on the Google Cloud Platform.

Tcl 8.5 Network Programming. Learn Tcl and you’ll never look back when it comes to developing network-aware applications. This book is the perfect way in, taking you from the basics to more advanced topics in easy, logical steps

Piotr Beltowski, Wojciech Kocjan, Clif Flynt

Tcl (Tool Command Language) is a very powerful and easy to learn dynamic programming language, suitable for a very wide range of uses. Tcl is regarded as one of the best-kept secrets in the software industry. This book gives you a hands-on experience on Tcl, helping you develop network-aware applications using this mature yet evolving language.This book shows you how to create network-aware applications with Tcl language. Packed with practical examples, the book not only takes you through the implementation of network protocols in Tcl, but also key aspects of Tcl programming.The book starts with the basic element of Tcl programming as we take a look at the syntax and fundamental commands of the language. To get us ready for network programming, we look at important Tcl features such as object-oriented programming, accessing files, packaging in TCL, event driven programming, and multithreaded applications. To create standalone single-file executable applications with Tcl we take a look at the Starpack technology, and ensure that we’ll be able to create robust applications with a thorough coverage of troubleshooting and debugging Tcl applications.The book is really about network programming, and it will not let you down with its deep coverage of these topics. Of course we look at protocols, but there are plenty of practical examples to keep things moving along. We start with the TCP and UDP protocols, and look at some other protocols to see examples of synchronizing time with other servers, querying user information and authenticating users over LDAP and performing DNS queries.The book explains Simple Network Management Protocol (SNMP), which is often used for monitoring and gathering information from various devices, such as routers, gateways, printers and many other types of equipment. We’ll also look at web programming in Tcl; processing the requests coming from the clients via the HTTP protocol and responding to these requests. You’ll be able to create a complete solution for creating a client-server application in Tcl.To round things off, you’ll see how to secure your networked applications, build public key infrastructure into your application and use Tcl’s safe interpreter feature to reduce risk of running code from unknown source.

Metasploit 5.0 for Beginners. Perform penetration testing to secure your IT environment against threats and vulnerabilities - Second Edition

Sagar Rahalkar

Securing an IT environment can be challenging, however, effective penetration testing and threat identification can make all the difference. This book will help you learn how to use the Metasploit Framework optimally for comprehensive penetration testing.Complete with hands-on tutorials and case studies, this updated second edition will teach you the basics of the Metasploit Framework along with its functionalities. You’ll learn how to set up and configure Metasploit on various platforms to create a virtual test environment. Next, you’ll get hands-on with the essential tools. As you progress, you’ll learn how to find weaknesses in the target system and hunt for vulnerabilities using Metasploit and its supporting tools and components. Later, you'll get to grips with web app security scanning, bypassing anti-virus, and post-compromise methods for clearing traces on the target system. The concluding chapters will take you through real-world case studies and scenarios that will help you apply the knowledge you’ve gained to ethically hack into target systems. You’ll also discover the latest security techniques that can be directly applied to scan, test, ethically hack, and secure networks and systems with Metasploit.By the end of this book, you’ll have learned how to use the Metasploit 5.0 Framework to exploit real-world vulnerabilities.

EJB 3.0 Database Persistence with Oracle Fusion Middleware 11g. This book walks you through the practical usage of EJB 3.0 database persistence with Oracle Fusion Middleware. Lots of examples and a step-by-step approach make it a great way for EJB application developers to acquire new skills

Deepak Vohra, Deepak Vohra

EJB (Enterprise JavaBeans) 3.0 is a commonly used database persistence technology in Java EE applications. EJB 3.0 has simplified the development of EJBs with an annotations-based API that eliminates the use of remote/local interfaces, home/local home interfaces, and deployment descriptors. A number of other books are available on EJB 3.0, but none covers EJB 3.0 support in Oracle Fusion Middleware 11g, which is one of the leaders in the application server market.This is the first book that covers all aspects of EJB 3.0 database persistence development using Oracle Fusion Middleware technology. It covers all the best practices for database persistence ensuring that your applications are easily maintainable. Leaving theory behind, this book uses real-world examples to guide you in building your own EJB 3.0 applications that are well integrated with commonly used Java EE frameworks.The book gets going by discussing the new features in the EJB 3.0 specification. As some readers may still be using EJB 2.0, the book explains how to convert your EJB 2.0 entity beans to EJB 3.0. It then goes on to discuss using EJB 3.0 database persistence with JDeveloper, WebLogic Server, and Enterprise Pack for Eclipse, the main Java EE components of Oracle Fusion Middleware 11g. The book also covers EJB 3.0 relationships and integrating EJB 3.0 relationships with JSF user interfaces. EJB 3.0 database persistence with some of the commonly used frameworks such as ADF Faces, AJAX, and Web Services is also discussed in the book. It uses the integrated WebLogic Server 11g in some of the chapters and the standalone WebLogic Server in other chapters. While JDeveloper is the primary Java IDE used in the book, one of the chapters is based on the Oracle Enterprise Pack for Eclipse.By the time you reach the end of this book, you will be well-versed with developing EJB 3.0 applications using the different Java EE components of Oracle Fusion Middleware 11g.

Google Plus First Look: a tip-packed, comprehensive look at Google+. Get up and running with Google+ fast with this book and

Ralph Roberts

Modern Data Architectures with Python. A practical guide to building and deploying data pipelines, data warehouses, and data lakes with Python

Brian Lipp

Modern Data Architectures with Python will teach you how to seamlessly incorporate your machine learning and data science work streams into your open data platforms. You’ll learn how to take your data and create open lakehouses that work with any technology using tried-and-true techniques, including the medallion architecture and Delta Lake.Starting with the fundamentals, this book will help you build pipelines on Databricks, an open data platform, using SQL and Python. You’ll gain an understanding of notebooks and applications written in Python using standard software engineering tools such as git, pre-commit, Jenkins, and Github. Next, you’ll delve into streaming and batch-based data processing using Apache Spark and Confluent Kafka. As you advance, you’ll learn how to deploy your resources using infrastructure as code and how to automate your workflows and code development. Since any data platform's ability to handle and work with AI and ML is a vital component, you’ll also explore the basics of ML and how to work with modern MLOps tooling. Finally, you’ll get hands-on experience with Apache Spark, one of the key data technologies in today’s market.By the end of this book, you’ll have amassed a wealth of practical and theoretical knowledge to build, manage, orchestrate, and architect your data ecosystems.

Active Directory Administration Cookbook. Actionable, proven solutions to identity management and authentication on servers and in the cloud

Sander Berkouwer

Active Directory is an administration system for Windows administrators to automate network, security and access management tasks in the Windows infrastructure.This book starts off with a detailed focus on forests, domains, trusts, schemas and partitions. Next, you'll learn how to manage domain controllers, organizational units and the default containers. Going forward, you'll explore managing Active Directory sites as well as identifying and solving replication problems. The next set of chapters covers the different components of Active Directory and discusses the management of users, groups and computers. You'll also work through recipes that help you manage your Active Directory domains, manage user and group objects and computer accounts, expiring group memberships and group Managed Service Accounts (gMSAs) with PowerShell. You'll understand how to work with Group Policy and how to get the most out of it. The last set of chapters covers federation, security and monitoring. You will also learn about Azure Active Directory and how to integrate on-premises Active Directory with Azure AD. You'll discover how Azure AD Connect synchronization works, which will help you manage Azure AD.By the end of the book, you have learned about Active Directory and Azure AD in detail.

ASP.NET 3.5 Application Architecture and Design. Build robust, scalable ASP.NET applications quickly and easily

Vivek Thakur

Learning SAP BusinessObjects Dashboards. Create professional, stunning, and interactive visual dashboards for both desktop and mobile devices

Taha Mahmoud

Get Set Procreate 5. A practical guide to illustrating on an iPad filled with tips, tricks, and best practices

Samadrita Ghosh

Procreate is robust, industry-grade painting software that is extremely versatile yet an affordable alternative to subscription-based applications. If you're new to Procreate, Get Set Procreate 5 will help you get up to speed with creating professional illustrations in no time.Complete with step-by-step instructions, detailed explanations, and practical application guidelines, this easy-to-follow guide will cover the ins and outs of Procreate 5.2 and show you how to use each feature effectively. You'll learn how to draw using assistive tools, apply effects, create animations, and develop amazing artwork by implementing the skills learned throughout the book. Once you've got to grips with the new features of Procreate 5 for creating beautiful illustrations, animations, and graphics, you'll be able to explore the tools at your disposal and even create your own brushes, shortcuts, and menus to work efficiently.By the end of this Procreate book, you'll be able to navigate the application confidently and take your artwork to a new level.

Arduino Home Automation Projects. Automate your home using the powerful Arduino platform

Marco Schwartz

Javascript: Object Oriented Programming. Build sophisticated web applications by mastering the art of Object-Oriented Javascript

Kumar Chetan Sharma, Stoyan Stefanov, Ved Antani, Gaston C. Hillar

JavaScript is the behavior, the third pillar in today's paradigm that looks at web pages as something that consists of : content (HTML), presentation (CSS), and behavior (JavaScript). Using JavaScript, you can create interactive web pages along with desktop widgets, browser, and application extensions, and other pieces of software. Object-oriented programming, which is popularly known as OOP, is basically based on the concept of objects rather than actions. The first module will help you master JavaScript and build futuristic web applications. You will start by getting acquainted with the language constructs and how to organize code easily. You develop concrete understanding of variable scoping, loops, and best practices on using types and data structures, as well as the coding style and recommended code organization patterns in JavaScript. The book will also teach you how to use arrays and objects as data structures. By the end of the book, you will understand how reactive JavaScript is going to be the new paradigm.The second module is an easy-to-follow course, which includes hands-on examples of solutions to common problems with object-oriented code. It will help to identify objects from real-life scenarios, to protect and hide data with the data encapsulation features of Python, JavaScript, and C#. You will discover the advantage of duck typing in both Python and JavaScript, while you work with interfaces and generics in C#. With a fair understanding of interfaces, multiple inheritance, and composition, you will move on to refactor existing code and to organize your source for easy maintenance and extension.The third module takes you through all the in-depth and exciting futures hidden behind the facade. You should read through this course if you want to be able to take your JavaScript skills to a new level of sophistication.

Hands-On Blockchain for Python Developers. Empowering Python developers in the world of blockchain and smart contracts - Second Edition

Arjuna Sky Kok

We are living in the age of decentralized fi nance and NFTs. People swap tokens on Uniswap, borrow assets from Aave, send payments with stablecoins, trade art NFTs on OpenSea, and more. To build applications of this kind, you need to know how to write smart contracts.This comprehensive guide will help you explore all the features of Vyper, a programming language designed to write smart contracts. You’ll also explore the web3.py library. As you progress, you’ll learn how to connect to smart contracts, read values, and create transactions. To make sure your foundational knowledge is strong enough, the book guides you through Ape Framework, which can help you create decentralized exchanges, NFT marketplaces, voting applications, and more. Each project provides invaluable insights and hands-on experience, equipping you with the skills you need to build real-world blockchain solutions.By the end of this book, you’ll be well versed with writing common Web3 applications such as a decentralized exchange, an NFT marketplace, a voting application, and more.

Kotlin Design Patterns and Best Practices. Build scalable applications using traditional, reactive, and concurrent design patterns in Kotlin - Second Edition

Alexey Soshin, Anton Arhipov

This book shows you how easy it can be to implement traditional design patterns in the modern multi-paradigm Kotlin programming language, and takes you through the new patterns and paradigms that have emerged.This second edition is updated to cover the changes introduced from Kotlin 1.2 up to 1.5 and focuses more on the idiomatic usage of coroutines, which have become a stable language feature. You'll begin by learning about the practical aspects of smarter coding in Kotlin, as well as understanding basic Kotlin syntax and the impact of design patterns on your code.The book also provides an in-depth explanation of the classical design patterns, such as Creational, Structural, and Behavioral families, before moving on to functional programming. You'll go through reactive and concurrent patterns, and finally, get to grips with coroutines and structured concurrency to write performant, extensible, and maintainable code.By the end of this Kotlin book, you'll have explored the latest trends in architecture and design patterns for microservices. You’ll also understand the tradeoffs when choosing between different architectures and make informed decisions.

Learning Highcharts 4. Design eye-catching and interactive JavaScript charts for your web page with Highcharts, one of the leading tools in web charting

Joe Kuan

Learning Microsoft Windows Server 2012 Dynamic Access Control. When you know Dynamic Access Control, you know how to take command of your organization's data for security and control. This book is a practical tutorial that will make you proficient in the main functions and extensions

Jochen Nickel

Identifying and classifying information inside a company is one of the most important prerequisites for securing the sensitive information of various business units. Windows Server 2012 Dynamic Access Control helps you not only to classify information, but it also gives you the opportunity and the functionality to provide a safe-net policy across your file servers, showing you some helpful ways of auditing and access denied assistance to improve usability.Understanding the architecture, the design, and implementing the solution, to troubleshooting will be covered in a practical and easy-to-read manner. This book is packed with project-based examples with plenty of information about the architecture, functionality, and extensions of Dynamic Access Control to help you excel in real-life projects. The book guides you through all the stages of a successful implementation of Dynamic Access Control.Microsoft Windows Server 2012 Dynamic Access Control will teach you everything you need to know to create your own projects, and is an essential resource for reviewing or extending already existing implementations.The book initially takes you through the task of understanding all of the functionality and extensions with ideas and overviews to help guide you in the decision process. The whole architecture will be explained in the main building blocks of Dynamic Access control. You will have a strong foundation and understanding of the claims model and Kerberos. Classifying information, the hardest part of the prerequisites to fulfil, is also covered in depth. You will also spend time understanding conditional expressions, and the method used to deploy them across your file server infrastructure. A special chapter is included for handling the data quality and the integration in other systems and strategies. Last, but not least, to get your solution up and running you will learn how to troubleshoot a Dynamic Access Control solution.

Oracle Warehouse Builder 11g R2: Getting Started 2011. Extract, Transform, and Load data to build a dynamic, operational data warehouse

Bob Griesemer, Robert E Griesemer

In today's economy, businesses and IT professionals cannot afford to lag behind the latest technologies. Data warehousing is a critical area to the success of many enterprises, and Oracle Warehouse Builder is a powerful tool for building data warehouses. It comes free with the latest version of the Oracle database.Written in an accessible, informative, and focused manner, this book will teach you to use Oracle Warehouse Builder to build your data warehouse. Covering warehouse design, the import of source data, the ETL cycle and more, this book will have you up and running in next to no time.This book will walk you through the complete process of planning, building, and deploying a data warehouse using Oracle Warehouse Builder. By the book's end, you will have built your own data warehouse from scratch.Starting with the installation of the Oracle Database and Warehouse Builder software, this book then covers the analysis of source data, designing a data warehouse, and extracting, transforming, and loading data from the source system into the data warehouse. You'll follow the whole process with detailed screenshots of key steps along the way that have all been updated for the new Fusion Client Platform interface in 11gR2, alongside numerous tips and hints not covered by the official documentation. You’ll finish up with a brand new chapter on code templates where you’ll implement a complete mapping using JDBC connectivity and code template mappings.

Salesforce Platform Developer I Certification Guide. Expert tips, techniques, and mock tests for the Platform Developer I (DEV501) certification exam

Jan Vandevelde, Gunther Roskams

Salesforce Lightning Platform, used to build enterprise apps, is being increasingly adopted by admins, business analysts, consultants, architects, and especially developers. With this Salesforce certification, you'll be able to enhance your development skills and become a valuable member of your organization.This certification guide is designed to be completely aligned with the official exam study guide for the latest Salesforce Certified Platform Developer I release and includes updates from Spring '19. Starting with Salesforce fundamentals and performing data modeling and management, you’ll progress to automating logic and processes and working on user interfaces with Salesforce components. Finally, you'll learn how to work with testing frameworks, perform debugging, and deploy metadata, and get to grips with useful tips and tricks. Each chapter concludes with sample questions that are commonly found in the exam, and the book wraps up with mock tests to help you prepare for the DEV501 certification exam.By the end of the book, you’ll be ready to take the exam and earn your Salesforce Certified Platform Developer I certification.

Spring MVC Blueprints. Design and implement real-world web-based applications using the Spring Framework 4.x specification based on technical documentation

Sherwin John C.Tragura

Spring MVC is the ideal tool to build modern web applications on the server side. With the arrival of Spring Boot, developers can really focus on the code and deliver great value, leveraging the rich Spring ecosystem with minimal configuration.Spring makes it simple to create RESTful applications, interact with social services, communicate with modern databases, secure your system, and make your code modular and easy to test. It is also easy to deploy the result on different cloud providers.This book starts all the necessary topics in starting a Spring MVC-based application. Moving ahead it explains how to design model objects to handle file objects. save files into a data store and how Spring MVC behaves when an application deals with uploading and downloading files. Further it highlights form transactions and the user of Validation Framework as the tool in validating data input. It shows how to create a customer feedback system which does not require a username or password to log in. It will show you the soft side of Spring MVC where layout and presentation are given importance. Later it will discuss how to use Spring Web Flow on top of Spring MVC to create better web applications. Moving ahead, it will teach you how create an Invoice Module that receives and transport data using Web ServicesBy the end of the book you will be able to create efficient and flexible real-time web applications using all the frameworks in Spring MVC.

Mastering Windows Server 2022. Comprehensive administration of your Windows Server environment - Fourth Edition

Jordan Krause

Written by a 10-time Microsoft MVP award winner with over 20 years of IT experience, Mastering Windows Server 2022 is a practical guide to deploying, securing, and optimizing your server infrastructure. Whether you’re new to server administration or an experienced professional sharpening your skills, this book is designed to be referenced on a regular basis instead of gathering dust on your shelf.Updated for Windows Server 2022, this book covers versions, licensing models, and the latest features while guiding you through single-pane-of-glass administration with tools like Server Manager, PowerShell, and Windows Admin Center. While the primary focus is on Windows Server 2022 LTSC, we also explore SAC server releases, Containers, Nano Server, and OS release cadences.You’ll gain hands-on expertise in remote access technologies, PKI and certificate management, virtualization with Hyper-V, and deploying a Remote Desktop Services farm. Plus, you’ll master Server Core, built-in redundancy, and troubleshooting techniques – all while reinforcing core infrastructure skills like Active Directory, DNS, DHCP, and Group Policy.

Learn Bosque Programming. Boost your productivity and software reliability with Microsoft’s new open-source programming language

Sebastian Kaczmarek, Joel Ibaceta

Bosque is a new high-level programming language inspired by the impact of structured programming in the 1970s. It adopts the TypeScript syntax and ML semantics and is designed for writing code that is easy to reason about for humans and machines. With this book, you'll understand how Bosque supports high productivity and cloud-first development by removing sources of accidental complexity and introducing novel features.This short book covers all the language features that you need to know to work with Bosque programming. You'll learn about basic data types, variables, functions, operators, statements, and expressions in Bosque and become familiar with advanced features such as typed strings, bulk algebraic data operations, namespace declarations, and concept and entity declarations. This Bosque book provides a complete language reference for learning to program with Bosque and understanding the regularized programming paradigm. You'll also explore real-world examples that will help you to reinforce the knowledge you've acquired. Additionally, you'll discover more advanced topics such as the Bosque project structure and contributing to the project.By the end of this book, you'll have learned how to configure the Bosque environment and build better and reliable software with this exciting new open-source language.

Apache Solr High Performance. In setting up Apache Solr, you’ll want to ensure it’s achieving optimum search results with maximum efficiency. This book shows you just how to achieve that with a comprehensive tutorial including troubleshooting

Surendra Mohan