Over 80 recipes to help you improve vSphere 6.5's performance and solve problems before they arise About This Book ? The practical recipes provide cost-effective and high performance for any application running in a virtual machine ? Contains best practices and troubleshooting techniques to resolve vSphere 6.5 performance issues ? Get a comprehensive coverage of performance issues and solutions including vCenter Server design and virtual machine and application tuning Who This Book Is For If you are a system administrator and are planning to deploy vSphere 6.5 in your organization and want to maximize its performance, then this book is for you. Prior knowledge of the vSphere 6.5 concepts is essential. What You Will Learn ? Understand the VMM Scheduler, cache aware CPU Scheduler, NUMA aware CPU Scheduler, and more during the CPU Performance Design phase ? Get to know the virtual memory reclamation technique, host ballooning monitoring, and swapping activity ? Choose the right platform while designing your vCenter Server, redundant vCenter design, and vCenter SSO and its deployment ? Learn how to use various performance simulation tools ? Design VCSA Server Certificates to minimize security threats ? Use health check tools for storage and boost vSphere 6.5's performance with VAAI and VASA In Detail vSphere is a mission-critical piece of software for many businesses. It is a complex tool, and incorrect design and deployment can create performance related issues that can negatively affect the business. This book is focused on solving these problems as well as providing best practices and performance-enhancing techniques. This edition is fully updated to include all the new features in version 6.5 as well as the latest tools and techniques to keep vSphere performing at its best. This book starts with interesting recipes, such as the interaction of vSphere 6.5 components with physical layers such as CPU, memory, and networking. Then we focus on DRS, resource control design, and vSphere cluster design. Next, you'll learn about storage performance design and how it works with VMware vSphere 6.5. Moving on, you will learn about the two types of vCenter installation and the benefits of each. Lastly, the book covers performance tools that help you get the most out of your vSphere installation. By the end of this book, you will be able to identify, diagnose, and troubleshoot operational faults and critical performance issues in vSphere 6.5. Style and approach This cookbook is written in a practical, helpful style with numerous recipes focusing on answering and providing solutions to common and not-so-common performance issues and problems.

Make sense of your data and predict the unpredictable About This Book ? A unique book that centers around develop six key practical skills needed to develop and implement predictive analytics ? Apply the principles and techniques of predictive analytics to effectively interpret big data ? Solve real-world analytical problems with the help of practical case studies and real-world scenarios taken from the world of healthcare, marketing, and other business domains Who This Book Is For This book is for those with a mathematical/statistics background who wish to understand the concepts, techniques, and implementation of predictive analytics to resolve complex analytical issues. Basic familiarity with a programming language of R is expected. What You Will Learn ? Master the core predictive analytics algorithm which are used today in business ? Learn to implement the six steps for a successful analytics project ? Classify the right algorithm for your requirements ? Use and apply predictive analytics to research problems in healthcare ? Implement predictive analytics to retain and acquire your customers ? Use text mining to understand unstructured data ? Develop models on your own PC or in Spark/Hadoop environments ? Implement predictive analytics products for customers In Detail This is the go-to book for anyone interested in the steps needed to develop predictive analytics solutions with examples from the world of marketing, healthcare, and retail. We'll get started with a brief history of predictive analytics and learn about different roles and functions people play within a predictive analytics project. Then, we will learn about various ways of installing R along with their pros and cons, combined with a step-by-step installation of RStudio, and a de*ion of the best practices for organizing your projects. On completing the installation, we will begin to acquire the skills necessary to input, clean, and prepare your data for modeling. We will learn the six specific steps needed to implement and successfully deploy a predictive model starting from asking the right questions through model development and ending with deploying your predictive model into production. We will learn why collaboration is important and how agile iterative modeling cycles can increase your chances of developing and deploying the best successful model. We will continue your journey in the cloud by extending your skill set by learning about Databricks and SparkR, which allow you to develop predictive models on vast gigabytes of data. Style and Approach This book takes a practical hands-on approach wherein the algorithms will be explained with the help of real-world use cases. It is written in a well-researched academic style which is a great mix of theoretical and practical information. Code examples are supplied for both theoretical concepts as well as for the case studies. Key references and summaries will be provided at the end of each chapter so that you can explore those topics on their own.

Gain a thorough understanding of operating in a Python development environment, and some of the most important advanced topics with Daniel Arbuckle. This dynamic, concise book is full of real-world solutions for Python 3.6 problems, and advanced-level concepts such as reactive programming, microservices, ctypes and Cython. About This Book ? Covers the latest and advanced concepts of Python such as parallel processing with Python 3.6 ? Explore the Python language from its basic installation and setup to concepts such as reactive programming and microservices ? Get introduced to the mechanism for rewriting code in a compiled language along with ctypes and Cython tools Who This Book Is For If you are a programmer and are familiar with the basics of Python, and you want to broaden your knowledge base to develop projects better and faster, this book is for you. Even if you are not familiar with Python, Daniel Arbuckle's Mastering Python starts with the basics and takes you on a journey to become an expert in the technology. What You Will Learn ? Get to grips with the basics of operating in a Python development environment ? Build Python packages to efficiently create reusable code ? Become proficient at creating tools and utility programs in Python ? Use the Git version control system to protect your development environment from unwanted changes ? Harness the power of Python to automate other software ? Distribute computational tasks across multiple processors ? Handle high I/O loads with asynchronous I/O to get a smoother performance ? Take advantage of Python's metaprogramming and programmable syntax features ? Get acquainted with the concepts behind reactive programming and RxPy In Detail Daniel Arbuckle's Mastering Python covers the basics of operating in a Python development environment, before moving on to more advanced topics. Daniel presents you with real-world solutions to Python 3.6 and advanced-level concepts, such as reactive programming, microservices, ctypes, and Cython tools. You don't need to be familiar with the Python language to use this book, as Daniel starts with a Python primer. Throughout, Daniel highlights the major aspects of managing your Python development environment, shows you how to handle parallel computation, and helps you to master asynchronous I/O with Python 3.6 to improve performance. Finally, Daniel will teach you the secrets of metaprogramming and unit testing in Python, helping you acquire the perfect skillset to be a Python expert. Daniel will get you up to speed on everything from basic programming practices to high-end tools and techniques, things that will help set you apart as a successful Python programmer. Style and Approach Daniel Arbuckle's Mastering Python covers basic to advanced-level concepts in computer science. If you are a beginner, then Daniel will help you get started. If you are experienced, he will expand your knowledge base.

Store, search, and analyze your data with ease using Elasticsearch 5.x About This Book ? Get to grips with the basics of Elasticsearch concepts and its APIs, and use them to create efficient applications ? Create large-scale Elasticsearch clusters and perform analytics using aggregation ? This comprehensive guide will get you up and running with Elasticsearch 5.x in no time Who This Book Is For If you want to build efficient search and analytics applications using Elasticsearch, this book is for you. It will also benefit developers who have worked with Lucene or Solr before and now want to work with Elasticsearch. No previous knowledge of Elasticsearch is expected. What You Will Learn ? See how to set up and configure Elasticsearch and Kibana ? Know how to ingest structured and unstructured data using Elasticsearch ? Understand how a search engine works and the concepts of relevance and scoring ? Find out how to query Elasticsearch with a high degree of performance and scalability ? Improve the user experience by using autocomplete, geolocation queries, and much more ? See how to slice and dice your data using Elasticsearch aggregations. ? Grasp how to use Kibana to explore and visualize your data ? Know how to host on Elastic Cloud and how to use the latest X-Pack features such as Graph and Alerting In Detail Elasticsearch is a modern, fast, distributed, scalable, fault tolerant, and open source search and analytics engine. You can use Elasticsearch for small or large applications with billions of documents. It is built to scale horizontally and can handle both structured and unstructured data. Packed with easy-to- follow examples, this book will ensure you will have a firm understanding of the basics of Elasticsearch and know how to utilize its capabilities efficiently. You will install and set up Elasticsearch and Kibana, and handle documents using the Distributed Document Store. You will see how to query, search, and index your data, and perform aggregation-based analytics with ease. You will see how to use Kibana to explore and visualize your data. Further on, you will learn to handle document relationships, work with geospatial data, and much more, with this easy-to-follow guide. Finally, you will see how you can set up and scale your Elasticsearch clusters in production environments. Style and approach This comprehensive guide will get you started with Elasticsearch 5.x, so you build a solid understanding of the basics. Every topic is explained in depth and is supplemented with practical examples to enhance your understanding.

Click your way to automating various business processes using Salesforce Visual Workflow About This Book ? Develop an application using Point and Click with the help of Flow ? Get to grips with various ways to launch a Flow ? Capture data from an external user without using the Visualforce page ? Save user input into the database, and learn how to query and manipulate the data ? Discover various ways to debug and deploy Flow and Process Builder ? Understand the concepts of Subflow and Login Flow ? Handle complex business processes using Process builder and keep them clean ? Use existing or new Flows to work with Salesforce Lightning Experience. Who This Book Is For This book is intended for those who want to use Flows to automate their business requirements by clicking, not coding. No previous experience in computer coding or programming is required. What You Will Learn ? Develop an application using point and click with the help of Flow ? Get to grips with various ways to launch a Flow ? Capture data from an external user without using the Visualforce page ? Save user input into the database, and learn how to query and manipulate the data ? Discover various ways to debug and deploy Flow and Process Builder ? Understand the concepts of Subflow and Login Flow ? Handle complex business processes using Process builder and keep them clean ? Use existing or new Flows to work with Salesforce Lightning Experience. In Detail Salesforce Management System is an information system used in CRM to automate the business processes like sales and marketing. To implement this, Force.com developed a powerful tool called Visual Workflow to automate business processes by creating applications also called Flows. Learning Salesforce Visual Workflow, Second Edition is a practical guide on Flows that will enable you to develop custom applications in Salesforce with minimized code usage. The book starts with an introduction to Visual Workflows that teaches all the building blocks of creating Flows and use it efficiently. You will learn how to easily automate business processes and tackle complex business scenarios using Flows. The book explains the working of the Process Builder so you can create reusable processes. The book also covers how you can integrate existing or newly created Flows with the Salesforce Lightening Experience. By the end of the book, you will get a clear understanding on how to use Flows and Process Builder in your organization to optimize code usage. Style and approach Step by step approch to use Process Builder to solve complex business requirements with the help of Flow

The quick start guide for an advanced enterprise PowerShell framework About This Book ? Introduces industry-proven techniques that improve * efficiency and reliability ? Example-rich guide based on real-world scenarios ? Facilitates building a * that can fully scan a Windows server and identify components Who This Book Is For This book is for IT professionals and Windows administrators who would like to gain intensive, hands-on knowledge and skills on PowerShell without spending hours and hours in learning. If you have been struggling to find the time to gain proficiency and confidence with PowerShell and everyday *ing tasks What You Will Learn ? Create an advanced PowerShell *ing template that provides repeatable code to jumpstart all of your *ing projects ? Learn how to securely encrypt and store usernames, passwords, and other sensitive data in PowerShell *s and answer files ? Understand how to optimize the performance of *s to help process large datasets quickly and avoid time-consuming mistakes ? Develop a * to scan for non-standard Windows Server configurations and identify service accounts used on Windows Servers ? Gather a large list of data from a Windows server without locally or remotely logging in interactively In Detail Enterprise PowerShell Scripting Bootcamp explains how to create your own repeatable PowerShell *ing framework. This framework contains * logging methodologies, answer file interactions, and string encryption and decryption strategies. This book focuses on evaluating individual components to identify the system’s function, role, and unique characteristics. To do this, you will leverage built-in CMDlets and Windows Management Instrumentation (WMI) to explore Windows services, Windows processes, Windows features, scheduled tasks, and disk statistics. You will also create custom functions to perform a deep search for specific strings in files and evaluate installed software through executable properties. We will then discuss different *ing techniques to improve the efficiency of *s. By leveraging several small changes to your code, you can increase the execution performance by over 130%. By the end of this book, you will be able to tie all of the concepts together in a PowerShell-based Windows server scanning *. This discovery * will be able to scan a Windows server to identify a multitude of components. Style and approach This book is all about fast and intensive learning. This means, we don’t waste time in helping readers get started. The new content is about leveraging highly-effective examples to build new things, help solving problems in newer and unseen ways, and providing an enterprise-ready platform to create PowerShell Scripts.

Over 90 recipes to maximize automated solutions and policy-drive application profiles using Cisco ACI About This Book ? Confidently provision your virtual and physical infrastructure for application deployment ? Integrate Cisco ACI with hypervisors and other third party devices ? Packed with powerful recipes to automate your IT operations Who This Book Is For If you are a network administrator, system administrator, or engineer and are aware of the basics of Cisco ACI but want to start using it to automate your tasks, then this book is for you What You Will Learn ? Master the Cisco ACI architecture ? Discover the ACI fabric with easy-to-follow steps ? Set up quality of service within ACI ? Configure external networks with Cisco ACI ? Integrate with VMware and track VMware virtual machines ? Configure apply and verify access policies ? Extend or migrate a VMware virtual-machine LAN inside the ACI fabric ? Monitor ACI with third party tools and troubleshoot issues In Detail Cisco Application Centric Infrastructure (ACI) is a tough architecture that automates IT tasks and accelerates data-center application deployments. This book focuses on practical recipes to help you quickly build, manage, and customize hybrid environment for your organization using Cisco ACI. You will begin by understanding the Cisco ACI architecture and its major components. You will then configure Cisco ACI policies and tenants. Next you will connect to hypervisors and other third-party devices. Moving on, you will configure routing to external networks and within ACI tenants and also learn to secure ACI through RBAC. Furthermore, you will understand how to set up quality of service and network programming with REST, XML, Python and so on. Finally you will learn to monitor and troubleshoot ACI in the event of any issues that arise. By the end of the book, you will gain have mastered automating your IT tasks and accelerating the deployment of your applications. Style and approach A set of exciting recipes to automate your IT operations related to datacenters, the Cloud, and networking tasks

Over 100 practical recipes that leverage custom *s and integrated tools in Kali Linux to help you effectively master network scanning About This Book ? Learn the fundamentals behind commonly used scanning techniques ? Deploy powerful scanning tools that are integrated into the Kali Linux testing platform ? The practical recipes will help you automate menial tasks and build your own * library Who This Book Is For This book is for information security professionals and casual security enthusiasts alike. It provides foundational principles if you’re a novice, but will also introduce *ing techniques and in-depth analysis if you’re more advanced. Whether you are brand new to Kali Linux or a seasoned veteran, this book will help you both understand and ultimately master many of the most powerful and useful scanning techniques in the industry. It is assumed that you have some basic security testing experience. What You Will Learn ? Develop a network-testing environment to test scanning tools and techniques ? Understand the principles of network-scanning tools by building *s and tools ? Identify distinct vulnerabilities in web apps and remote services and learn how they are exploited ? Perform comprehensive scans to identify listening on TCP and UDP sockets ? Get started with different Kali desktop environments--KDE, MATE, LXDE, and Xfce ? Use Sparta for information gathering, port scanning, fingerprinting, vulnerability scanning, and more ? Evaluate DoS threats and learn how common DoS attacks are performed ? Learn how to use Burp Suite to evaluate web applications In Detail With the ever-increasing amount of data flowing in today’s world, information security has become vital to any application. This is where Kali Linux comes in. Kali Linux focuses mainly on security auditing and penetration testing. This step-by-step cookbook on network scanning trains you in important scanning concepts based on version 2016.2. It will enable you to conquer any network environment through a range of network scanning techniques and will also equip you to * your very own tools. Starting with the fundamentals of installing and managing Kali Linux, this book will help you map your target with a wide range of network scanning tasks, including discovery, port scanning, fingerprinting, and more. You will learn how to utilize the arsenal of tools available in Kali Linux to conquer any network environment. The book offers expanded coverage of the popular Burp Suite and has new and updated *s for automating scanning and target exploitation. You will also be shown how to identify remote services, how to assess security risks, and how various attacks are performed. You will cover the latest features of Kali Linux 2016.2, which includes the enhanced Sparta tool and many other exciting updates. This immersive guide will also encourage the creation of personally *ed tools and the skills required to create them. Style and approach This step-by-step guide is full of recipes that will help you use integrated scanning tools in Kali Linux and develop custom *s to make new and unique tools of your own.

AND MOMMY MAKES THREE In her seventeenth summer Darcy Beckett discovered true love. So she gave herself, body and soul, to hell-raising ranch hand Joe Tyler. Darcy saw a future of babies and bliss. But her grandfather saw red–and sent Darcy packing. Away from the ranch–and into a monied but loveless marriage. Now, ten years later, her grandfather's will has brought Darcy back to the ranch. Back to Joe. And to his adorable six-year-old son, who wanted a mommy for Christmas. Darcy secretly pined for the rakish cowboy and his enchanting little sidekick. But she and Joe had grown worlds apart. And only a miracle–or the True Love Ranch–could give their hungry hearts a home….

TRULY A FAMILY? What was it that made rugged mountain man Garret Boyd so irresistible to Toni Carlton? Could it be the tenderness she'd glimpsed in his blue eyes whenever he swept his orphaned niece into his strong, sheltering arms? Or was it the heat Toni saw simmering in his gaze from the moment she'd come to his cozy home? In no time Toni had put a smile in Garret's heart–and a burning need in his wounded soul. And suddenly the brooding loner knew the only way to give little Angie a family was to believe that a strong, silent daddy and his vivacious new nanny were truly meant to be….

Hired: one wife! Annabelle Forrester has only ever loved one man–Rand Dumbarton. The gorgeous tycoon had swept her off her feet and proposed marriage. But their whirlwind courtship had ended bitterly. Annabelle had been unable to forgive him for trying to make her choose between him and her job. The pint-size private eye is, however, shocked when her latest client turns out to be none other than Rand Dumbarton. It seems to Annabelle a cruel twist of fate that the man who couldn't accept her occupation now needs her help. But does Rand want her for business–or as his bride? Love Undercover Their mission was marriage!

BACHELOR TERRITORY She's his client Roman Lufka is a rough, tough private investigator. He's been hired to protect Brittany Langford. The easiest way to be by her side, twenty-four hours a day, is to go undercover–as Brittany's husband. …and his wife! But if protecting his "wife" is easy, living with her isn't. They're perfect strangers–and for Roman, Brit is all too perfect. It seems this confirmed bachelor is facing his toughest assignment yet–falling in love! "Rebecca Winters writes from the heart…" –Debbi Macomber There are two sides to every story…and now it's his turn!

THE RIGHT HUSBAND… In two weeks, Lacey McCade was supposed to walk down the aisle and say "I do" to the man of every woman's dreams…except her own. So when she heard about a short-term position at Black's Bluff Ranch, Lacey knew the live-in-job would give her time to think. But think was all she could do…about Ethan Black, her very sexy employer…. From the tender way he cared for his little charges to the tough way he tended to the land, Ethan made Lacey's heart stop, swell and swoon. But the proud, half Native-American rancher had closed his own heart to loving again. Still, something in Ethan's searing, soul-searching gaze dared Lacey to hope he'd make her wedding dreams come true….

JUNE BRIDES HIS MEANT-TO-BE BRIDE When doe-eyed, all gowned-up-and-no-groom-in-sight Megan Morison sought refuge in his arms, bachelor John Vermont offered her a roof over her head, a job to pay the bills and his rugged shoulder to lean on…. HER DESTINED GROOM Megan had had her fill of people trying to run her life, but with strong, silent, steely-eyed John Vermont, she felt truly safe, accepted…and dare she believed loved? But John claimed that marriage wasn't for him, though his longing looks and heated kisses suggested otherwise. And now Megan wished this gorgeous albeit gruff ship captain would take the gift destiny offered and make her his lawfully wedded wife…. Celebrate a month of joyful marriages with Silhouette Romance!

Bachelor Gulch The Bachelor: Wyatt McCully, dedicated–and extremely eligible–town sheriff. Though husband-hungry women were flocking to Jasper Gulch, there was only one single gal Wyatt wanted. The Bride: Lisa Markman, a woman with a yearning for marriage, and with a secret. She couldn't dare consider lawman Wyatt as a potential groom. The sexy sheriff could tell when a woman was interested, and Lisa had all the signs of succumbing to his charming ways. So why did she refuse to take his heartfelt proposals seriously? Wyatt decided he had to uncover everything about the mysterious woman he intended to claim as his wife, and set out to make the pursuit his pleasure…and hers! Bachelor Gulch. This little town wanted women–but are these bachelors ready for marriage?

There's no place like home… Unless, like Kaarl, you are a demon and your home is Hell…literally! While the rest of Hell enjoys cruel games, Kaarl is looking for a new challenge. So he makes a deal with the devil himself: time in the Mortal Realm in return for human souls… The Mortal Realm offers a taste of freedom he could never experience in Hell and Kaarl jumps at the chance to fulfil his dream. But gathering human souls comes with a cost and as more and more souls lose their way, Kaarl realises that he is creating Hell on his beloved Earth. Now to save the Mortal Realm, Kaarl's going to have to switch sides… Praise for JL Morris 'This was a great read. Very entertaining.' - Koeur's Book Reviews 'A great story from a young author who has, I believe, a strong future in the literary world if he can produce more books like this.' - Fiona's Book Reviews

A FAMILY'S GIFT When they were young, cousins Ella, Rachel and Jo were always together at their family’s lake house. As they grew up, though, they grew apart… until now, as the three must band together to grant a beloved aunt's dying wish: to finish the quilt she began as a gift for her daughter's Christmas wedding. LET IT SNOW Searching for vintage quilting fabric, independent Jo is reunited with the man she thought she’d marry. And proves that sometimes the second time's the charm… YOU BETTER WATCH OUT Ella is desperate when the unfinished quilt goes missing in her care. But a cocky lawyer might just help her find it – and find love. “Nine Ladies Dancing” by Sarah Mayberry – Shy Rachel risks exposing her secret life when she falls for her quilting teacher's seemingly perfect son, in this novella by Janice Kay Johnson. Together, Jo, Ella and Rachel create a Christmas heirloom that's both a wish and promise – of happiness, hope and love everlasting.

Fast Fiction Paranormal - quick reads to transport you to another world Erika Cenov has dreams where someone dies - and then it comes true. Her latest nightmare has a young girl being abducted and the man she once loved, Lazlo Brennan, being shot and turning into a wolf. Erika doesn't want to believe her vision. Then a child goes missing and the detective on the case is Lazlo Brennan. Erika knows Lazlo will die. Unless, for the first time, she can change the outcome of her dreams…and save them all.

‘First of all, let’s get something straight. This is not going to be one of those stories where the school bitch turns out to have a heart of gold…’ Amie’s the most popular – and the meanest –girl at her exclusive private school, with her trusty second in command Lexy by her side. And she likes it that way. Lexy knows that she deserves Amie’s prized position just as much but dethroning the Queen Bee just isn’t done. Until mysterious twins Elyse and Melanie arrive mid-term, with a magnetic power that’s impossible to deny, and shake up the school’s social rules. As the twins leave darkness and devastation in their wake, Lexy’s suddenly discovering her own powers of manipulation. Whilst Amie’s about to learn that it’s not just lonely at the top – it’s terrifying. A Gemini Rising story

Billy and Gracie Myers don’t believe in magic. Not even at Christmastime. They don’t believe in ghosts. Not even when they discover a haunted house in the woods behind their home. Filomena Albright lives in that house, and maybe, just maybe, she can bring a little magic into their lives—and their father’s. Evan Myers is overworked and stressed out, steering his chain of sporting-goods stores through the hectic pre-holiday retail season while raising his young son and daughter single-handedly. He has no time to think, let alone think about the woman who has taken up residence in the mysterious house through the forest. But when Gracie’s preschool teacher warns Evan that he’d better get some help, he turns to the Daddy School—and Filomena. That she dazzles him with her intelligence, her energy, and her beauty is irrelevant. She’ll be gone with the new year. For now, though, for these few weeks before Christmas, maybe she can be everything Evan and his children need her to be. Christmas is a time of magic, after all.

Once touched… Marisa Somerville has changed. Now a confident, groomed, successful businesswoman, she’s nothing like the scared wife of an abusive husband that Rafe Peveril survived a plane crash with six years ago. Never forgotten… She has a different name, but he’d know those siren green eyes, and lush lips anywhere. Yet she insists they’ve never met and Rafe wants to know why. She might deny knowing him but she can’t deny how she responds to his touch…