Network Analysis using Wireshark Cookbook. This book will be a massive ally in troubleshooting your network using Wireshark, the world's most popular analyzer. Over 100 practical recipes provide a focus on real-life situations, helping you resolve your own individual issues

Yoram Orzach

Is your network slow? Are your users complaining? Disconnections? IP Telephony problems? Video freezes? Network analysis is the process of isolating these problems and fixing them, and Wireshark has long been the most popular network analyzer for achieving this goal. Based on hundreds of solved cases, Network Analysis using Wireshark Cookbook provides you with practical recipes for effective Wireshark network analysis to analyze and troubleshoot your network.Network analysis using Wireshark Cookbook highlights the operations of Wireshark as a network analyzer tool. This book provides you with a set of practical recipes to help you solve any problems in your network using a step-by-step approach.Network analysis using Wireshark Cookbook starts by discussing the capabilities of Wireshark, such as the statistical tools and the expert system, capture and display filters, and how to use them. The book then guides you through the details of the main networking protocols, that is, Ethernet, LAN switching, and TCP/IP, and then discusses the details of application protocols and their behavior over the network. Among the application protocols that are discussed in the book are standard Internet protocols like HTTP, mail protocols, FTP, and DNS, along with the behavior of databases, terminal server clients, Citrix, and other applications that are common in the IT environment.In a bottom-up troubleshooting approach, the book goes up through the layers of the OSI reference model explaining how to resolve networking problems. The book starts from Ethernet and LAN switching, through IP, and then on to TCP/UDP with a focus on TCP performance problems. It also focuses on WLAN security. Then, we go through application behavior issues including HTTP, mail, DNS, and other common protocols. The book finishes with a look at network forensics and how to search and find security problems that might harm the network.

Mastering Adobe Photoshop Elements 2021. Boost your image-editing skills using the latest tools and techniques in Adobe Photoshop Elements - Third Edition

Robin Nichols

Managing thousands of images while producing perfectly edited results is now a must-have skill for online bloggers, influencers, vloggers, social media users, and photography enthusiasts. Photoshop Elements helps you to manage this easily and boost your creative output.This third edition is updated with Elements 2021’s latest features and focuses on Adobe's AI-powered features along with the entire creative workflow. Each chapter is designed to help you get the most out of your image files in an easy way. You’ll learn how to add significant visual improvements to your work using no more than a few one-click edits with AI-driven features and manual adjustments. The book is filled with useful instructions to guide you seamlessly through the often complex processes, tools, and features in Photoshop Elements. Finally, you’ll cover everything from developing your organizational skills through to creating remarkable special effects, complex text, image combinations, and eye-popping visual techniques using both AI-driven features as well as manually operated tools.By the end of this Photoshop Elements book, you'll have learned how to leverage the impressive tools available in Photoshop Elements 2021, and use them to greatly improve your photo editing and image retouching skills.

Professional Plone 4 Development. Build robust, content-centric web applications with Plone 4

Martin Aspeli, The Plone Foundation Alex Limi Toby Roberts (Project)

A years of experience in Plone development and project management are combined with an approachable writing style to create an engaging and highly-informative guide to working with Plone. Professional Plone 4 Development stands as an excellent resource for developers of all levels.- Eric Steele, Plone Release ManagerPlone is a web content management system that features among the top 2% of open source projects and is used by more than 300 solution providers in 57 countries. Its powerful workflow system, outstanding security track record, friendly user interface, elegant development model and vibrant community makes Plone a popular choice for building content-centric applications. By customising and extending the base platform, integrators can build unique solutions tailored to specific projects quickly and easily.If you want to create your own web applications and advanced websites using Plone 4, Professional Plone 4 Development is the book you need.The https://www.packtpub.com/Professional-Plone-web-applications-CMS/book first edition of this book remains one of the most widely read and recommended Plone books. This second edition is completely revised and up-to-date for Plone 4.1, covering new topics such as Dexterity, Diazo, jQuery and z3c.form, as well as improved ways of working with existing technologies such as Buildout, SQLAlchemy and the Pluggable Authentication Service. It retains the writing style and comprehensive approach that made the first edition so popular.Built around a realistic case study, Professional Plone 4 Development will take you from an understanding of Plone’s central concepts, through basic customization, theming, and custom development, to deployment and optimization.The book is divided into four sections:First, you will be introduced to Plone and the case study, and learn how to set up a development environment.The second section covers basic customization, including theming a Plone site using Diazo.The third section focuses on custom development – building new content types and user interfaces, customizing security and integrating with external databases.The final chapters cover deployment and performance optimization.

VMware vSphere Design Essentials. Unleash the performance, availability, and workload efficiency of your virtual data center using this fast-paced guide

Swapnil A Kambli, Puthiyavan Udayakumar

Moodle 1.9 for Second Language Teaching. Engaging online language learning activities using the Moodle platform

Jeff Stanford, Moodle Trust

That word Moodle keeps cropping up all over the place ñ it's in the newspapers, on other teachers' tongues, in more and more articles. Do you want to find out more about it yourself and learn how to create all sorts of fun and useful online language activities with it? Your search ends right here.This book demystifies Moodle and provides you with answers to your queries. It helps you create engaging online language learning activities using the Moodle platform. It has suggestions and fully working examples for adapting classroom activities to the Virtual Learning Environment.This book breaks down the core components of a typical language syllabus ñ speaking, pronunciation, listening, reading, writing, vocabulary, grammar, and assessment ñ and shows you how to use Moodle 1.9 to create complete, usable activities that practise them. Each chapter starts with activities that are easier to set up and progresses to more complex ones. Nevertheless, it's a recipe book so each activity is independent. We start off with a brief introduction to Moodle so that you're ready to deal with those specific syllabus topics, and conclude with building extended activities that combine all syllabus elements, making your course attractive and effective. Building activities based on the models in this book, you will develop the confidence to set up your own Moodle site with impressive results.

Oracle Service Bus 11g Development Cookbook

Mischa Koelliker, Eric Elzinga, Mischa K?É?íÂ!?lliker, Jan van Zoggel, ...

Oracle Service Bus 11g is a scalable SOA integration platform that delivers an efficient, standards-based infrastructure for high-volume, mission critical SOA environments. It is designed to connect, mediate, and manage interactions between heterogeneous services, legacy applications, packaged solutions and multiple Enterprise Service Bus (ESB) instances across an enterprise-wide service network. Oracle Service Bus is a core component in the Oracle SOA Suite as a backbone for SOA messaging.This practical cookbook shows you how to develop service and message-oriented (integration) solutions on the Oracle Service Bus 11g.Packed with over 80 task-based and immediately reusable recipes, this book starts by showing you how to create a basic OSB service and work efficiently and effectively with OSB. The book then dives into topics such as messaging with JMS transport, using EJB and JEJB transport, HTTP transport and Poller transports, communicating with the database, communicating with SOA Suite and Reliable Message Processing amongst others. The last two chapters discuss how to achieve message and transport-level security on the OSB.

Arduino BLINK Blueprints. Get the most out of your Arduino to develop exciting and creative LED-based projects

Samarth Shah, Utsav Shah

Arduino is an open-source prototyping platform based on easy-to-use hardware and software. Arduino has been used in thousands of different projects and applications by a wide range of programmers and artists, and their contributions have added up to an incredible amount of accessible knowledge that can be of great help to novices and experts alike.Want to build exciting LED projects with Arduino? This book will be your companion to bring out the creative genius in you. To begin with, you will get introduced to the maker movement and the open source hardware development Arduino boards. You will then move on to develop a mood lamp and a remote-controlled TV backlight. As you progress through the book, you will develop an LED cube and will learn to use sound visualization to develop a sound-controlled LED Christmas tree. You will then move on to build a persistence of vision wand.At the end of each chapter, you’ll see some common problems, their solutions, and some workarounds.

PostgreSQL 13 Cookbook. Over 120 recipes to build high-performance and fault-tolerant PostgreSQL database solutions

Vallarapu Naga Avinash Kumar

PostgreSQL has become the most advanced open source database on the market. This book follows a step-by-step approach, guiding you effectively in deploying PostgreSQL in production environments.The book starts with an introduction to PostgreSQL and its architecture. You’ll cover common and not-so-common challenges faced while designing and managing the database. Next, the book focuses on backup and recovery strategies to ensure your database is steady and achieves optimal performance. Throughout the book, you’ll address key challenges such as maintaining reliability, data integrity, a fault-tolerant environment, a robust feature set, extensibility, consistency, and authentication. Moving ahead, you’ll learn how to manage a PostgreSQL cluster and explore replication features for high availability. Later chapters will assist you in building a secure PostgreSQL server, along with covering recipes for encrypting data in motion and data at rest. Finally, you’ll not only discover how to tune your database for optimal performance but also understand ways to monitor and manage maintenance activities, before learning how to perform PostgreSQL upgrades during downtime.By the end of this book, you’ll be well-versed with the essential PostgreSQL 13 features to build enterprise relational databases.