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Virtual Private Networks

2nd Edition

Historically, only large companies could afford secure networks, which they created from expensive leased lines. Smaller folks had to make do with the relatively untrusted Internet. Nowadays, even large companies have to go outside their private nets, because so many people telecommute or log in while they're on the road. How do you provide a low-cost, secure electronic network for your organization?The solution is a virtual private network: a collection of technologies that creates secure connections or "tunnels" over regular Internet lines--connections that can be easily used by anybody logging in from anywhere. A number of products now exi...

VMware Cookbook

A Real-World Guide to Effective VMware Use

2nd Edition

With scores of step-by-step solutions, this cookbook helps you work with VMware ESXi in a wide range of network environments. You'll not only learn the basicshow to pool resources from hardware servers, computer clusters, networks, and storage, and then distribute them among virtual machinesbut also how to overcome the stumbling blocks you'll encounter when you monitor systems, troubleshoot problems, and deal with security.This expanded second edition covers recent advances in vCloud Director and vShield cloud security. Ideal for system administrators of any level, VMware Cookbook also includes valuable information to help you determine your virtualiza...

VBScript in a Nutshell

2nd Edition

Lightweight yet powerful, VBScript from Microsoft is used in four main areas: server-side web applications using Active Server Pages (ASP), client-side web scripts using Internet Explorer, code behind Outlook forms, and automating repetitive tasks using Windows Script Host (WSH). VBScript in a Nutshell, Second Edition delivers current and complete documentation for programmers and system administrators who want to develop effective scripts.Completely updated for VBScript 5.6, WSH 5.6 and ASP 3.0, VBScript In a Nutshell, Second Edition includes updated introductory chapters that will help you keep current with the significant changes since the first edi...

VB.NET Language in a Nutshell

The extensive changes to Visual Basic and the newness of the .NET platform call for a VB .NET reference guide oriented toward professional developers--those deeply experienced in Visual Basic and those adding VB .NET to their list of mastered languages. VB .NET Language in a Nutshell answers the call. As a reference book, it doesn't waste space on simple concepts, but documents, using practical examples, how language elements work, alternative approaches, optimal usage, and potential pitfalls.As a quick introduction, the first section of VB .NET Language in a Nutshell leads you through the important areas of programming VB .NET, including:Variables and Data Types Introduction to Object Oriented Programming The .NET Framework: General Concepts The .NE...

VB.NET Core Classes in a Nutshell

The .NET platform gives Visual Basic developers access to an entirely new and comprehensive class library that promises to further simplify and speed VB application development. In VB.NET Core Classes in a Nutshell, VB Programmers will find a concise and thorough reference to the types found in the core namespaces of the .NET Framework Class Library.The heart of this book is a classic Nutshell Quick Reference to all the types found in 22 core .NET namespaces. The entry for each type describes its significance, explains how the type is used in .NET applications and lists its members and their signatures in readable VB.NET syntax.The core namespaces documented in this book include types in the following areas:Essential system and programming services f...

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