Servers give sysadmins a incredible visibility into the network—once they know how to unlock it. Most sysadmins don’t need to understand window scaling, or the differences between IPv4 and IPv6 echo requests, or other intricacies of the TCP/IP protocols. You need only enough to deploy your own applications and get easy support from the network team.This book teaches you:•How modern networks really work•The essentials of TCP/IP•The next-generation protocol, IPv6•The right tools to diagnose network problems, and how to use them•Troubleshooting everything from the physical wire to DNS•How to see the traffic you send and receive•Connectivity testing•How to communicate with your network team to quickly resolve problemsA systems administrator doesn’t need to know the innards of TCP/IP, but knowing enough to diagnose your own network issues transforms a good sysadmin into a great one.

    If you're a business or IT professional, this short hands-on guide teaches you how to pull and transform data with SQL in significant ways. You will quickly master the fundamentals of SQL and learn how to create your own databases.Author Thomas Nield provides exercises throughout the book to help you practice your newfound SQL skills at home, without having to use a database server environment. Not only will you learn how to use key SQL statements to find and manipulate your data, but you'll also discover how to efficiently design and manage databases to meet your needs.You'll also learn how to:Explore relational databases, including lightweight and centralized modelsUse SQLite and SQLiteStudio to create lightweight databases in minutesQuery and transform data in meaningful ways by using SELECT, WHERE, GROUP BY, and ORDER BYJoin tables to get a more complete view of your business dataBuild your own tables and centralized databases by using normalized design principlesManage data by learning how to INSERT, DELETE, and UPDATE records

    You may find it for free on the web. Purchase of the Kindle edition includes wireless delivery.

    100% complete coverage of all objectives for exam RH302 Exam Readiness Checklist at the front of the book--you're ready for the exam when all objectives on the list are checked off Inside the Exam sections in every chapter highlight key exam topics covered Real-world exercises modeled after hands-on exam scenarios Two complete lab-based exams simulate the format, tone, topics, and difficulty of the real exam Bonus content (available for download) includes installation screen review, basic instructions for using VMware and Xen as testbeds, and paper and pencil versions of the lab exams Covers all RH302 exam topics, including: Hardware installation and configuration The boot process Linux filesystem administration Package management and Kickstart User and group administration System administration tools Kernel services and configuration Apache and Squid Network file sharing services (NFS, FTP, and Samba) Domain Name System (DNS) E-mail (servers and clients) Extended Internet Services Daemon (xinetd), the Secure package, and DHCP The X Window System Firewalls, SELinux, and troubleshooting

    As far as apps go, what do you put on your new Fire? With tens of thousands of apps out there and more appearing on a daily basis, how do you choose what's useful, as opposed to what may be a waste of your download time? Here is the answer, newly updated with over 300 of the best FREE apps for your Fire. Top 300 Free Apps for the Kindle Fire is your guide to 300 of the top rated apps that you'll find useful for your Kindle Fire. Jones has taken the time to research and compile this extensive list of apps for your Kindle Fire, and best of all, each of these apps are FREE. You'll find apps for the home office, for entertainment, for news, weather, and sports, for your health, for managing your finances, for playing games, and more. A new local news apps section provides news, weather, and traffic apps for over 50 major US cities, and a new travel section gives you an insight to the best apps that will help you find great deals on flights, hotel rooms, cruises, dining, and even the best gas prices around your hometown or when on the road.We’ve also taken the time to create each listing beginning with a clickable link back to the Amazon catalog. So as you read this book on your Kindle, if any particular app sounds like what you’ve been looking for, just tap the image or heading name. You’ll be taken directly to the Amazon page for the app, where you can click the button to install that app. (Active wi-fi connection required.)And this isn't just a list of names with little helpful information, like some guides out there that we'd prefer not to mention. In this book, you'll find detailed write-ups for each app, with specifics as to what the app can (and cannot) do for you. Let Top 300 Free Apps for the Kindle Fire be your guide to the best free apps for your new tablet!Top 300 Free Apps for the Kindle Fire comes from the pen of Edward Jones, the principal technology writer behind the "Get-it-Done" series of computer books. Jones is an experienced computer and technology writer, database applications development analyst, consultant, and trainer who understands the issues faced by people dealing with technology, day in and day out. His career spans years of technology training, database development, and consulting services for major law firms and government agencies in the Washington, DC area, and he currently resides in Charlotte, NC where he is concentrating on providing publications to the rapidly growing digital marketplace. Jones is also a best-selling author whose printed titles have sold over one million copies, and he has served as a technical editor on numerous computer books.

    It discusses cloud concepts and highlights various design patterns and best practices. This documentation is offered for free here as a Kindle book, or you can read it in PDF format at https://aws.amazon.com/whitepapers/.

    This completely updated bestseller was also written with photographers in mind. Author Martin Evening describes features in Lightroom 4 in detail from a photographer’s perspective. As an established commercial and fashion photographer, Martin knows firsthand what photographers need for an efficient workflow. He has also been working with Lightroom from the beginning, monitoring the product’s development and providing valued feedback to Adobe. As a result, Martin knows the software inside and out, from image selection to image editing to image management. In this book you’ll learn how to:• Work efficiently with images shot in the raw or JPEG format • Import photographs with ease and sort them according to your workflow• Create and manage a personal image library• Apply tonal adjustments to multiple images quickly• Integrate Lightroom with Adobe Photoshop• Export images for print or Web as digital contact sheets or personal portfolios• Make the most of new features in Lightroom 4, such as the Camera Raw Process 2012 Basic panel tone controlsPhotographers will find Lightroom 4–and The Adobe Photoshop Lightroom 4 Book–indispensable tools in their digital darkrooms.This book’s companion site, www.thelightroombook.com, offers video tutorials, articles, sample images, and updates from author Martin Evening.“With Martin’s expert guidance, you’ll soon find that you have precisely the tools you need to turn your concentration back where it belongs–on making better pictures!”–George Jardine, digital photography consultant “As a photographer himself, Martin Evening knows what tools photographers need to realize their creative vision. In this book, he shows not only how Adobe Photoshop Lightroom works but also why it will become an essential part of any photographer’s workflow.”–Greg Gorman, photographer

    It's not just a technical book or just a businessguide. Data is ubiquitous and it doesn't pay much attention toborders, so we've calibrated our coverage to follow it wherever itgoes.In the first edition of Big Data Now, the O'Reilly team tracked thebirth and early development of data tools and data science. Now, withthis second edition, we're seeing what happens when big data grows up:how it's being applied, where it's playing a role, and theconsequences -- good and bad alike -- of data's ascendance.We've organized the second edition of Big Data Now into five areas:Getting Up to Speed With Big Data -- Essential information on thestructures and definitions of big data.Big Data Tools, Techniques, and Strategies -- Expert guidance forturning big data theories into big data products.The Application of Big Data -- Examples of big data in action,including a look at the downside of data.What to Watch for in Big Data -- Thoughts on how big data will evolveand the role it will play across industries and domains.Big Data and Health Care -- A special section exploring thepossibilities that arise when data and health care come together.

     In the Guide, you'll learn how to: -Use the Ubuntu command line. -Manage users, groups, and file permissions. -Install software on a Ubuntu system, both from the command line and the GUI. -Configure network settings. -Use the vi editor to edit system configuration files. -Install and configure a Samba server for file sharing. -Install SSH for remote system control using public key/private key encryption. -Install a DHCP server for IP address management. -Install a LAMP server. -Install web applications like WordPress and Drupal. -Configure an FTP server. -Manage ebooks. -Convert digital media. -Manage and configure Unity, the default Ubuntu environment. -Manage and halt processes from the command line. -Set up both a VNC server and a client. -Enjoy games on Ubuntu. -And many other topics.

    This book covers a range of genres, including action, adventure, and puzzle games complete with professional quality sound effects and visuals. It discusses game design theory and features practical examples of how this can be applied to making games that are more fun to play. Game Maker allows games to be created using a simple drag-and-drop interface, so you don't need to have any prior coding experience. It includes an optional programming language for adding advanced features to your games, when you feel ready to do so. You can obtain more information by visiting book.gamemaker.nl. The authors include the creator of the Game Maker tool and a former professional game programmer, so you'll glean understanding from their expertise. The book also includes a DVD containing Game Maker software and all of the game projects that are created in the book—plus a host of professional-quality graphics and sound effects that you can use in your own games.

    The addition of lambda expressions (closures) and streams represents the biggest change to Java programming since the introduction of generics and annotations. Now, with Java SE 8 for the Really Impatient , internationally renowned Java author Cay S. Horstmann concisely introduces Java 8's most valuable new features (plus a few Java 7 innovations that haven't gotten the attention they deserve). If you're an experienced Java programmer, Horstmann's practical insights and sample code will help you quickly take advantage of these and other Java language and platform improvements. This indispensable guide includes Coverage of using lambda expressions (closures) to write computation "snippets" that can be passed to utility functions The brand-new streams API that makes Java collections far more flexible and efficient Major updates to concurrent programming that make use of lambda expressions (filter/map/reduce) and that provide dramatic performance improvements for shared counters and hash tables A full chapter with advice on how you can put lambda expressions to work in your own programs Coverage of the long-awaited introduction of a well-designed date/time/calendar library (JSR 310) A concise introduction to JavaFX, which is positioned to replace Swing GUIs, and to the Nashorn Javascript engine A thorough discussion of many small library changes that make Java programming more productive and enjoyable This is the first title to cover all of these highly anticipated improvements and is invaluable for anyone who wants to write tomorrow's most robust, efficient, and secure Java code.

    I hope it helps you too!

    That’s where this full-color Missing Manual comes in. Learn how to stream HD video, make video calls, manage your email, surf the Web, listen to music, play games, and maybe even do a little iWork. This is the book that should have been in the box.Build your media library. Fill your iPad with music, movies, TV shows, eBooks, photos, and more.Share with others. Stream music, HD movies, TV shows, and more, to and from your iPad.Create your own media. Use the iPad’s new Photo Booth, iMovie, and GarageBand apps to express yourself.Get online. Connect through WiFi or Wi-Fi+3G, and surf with the iPad’s faster browser.Place video calls. See who’s talking with the iPad’s FaceTime app and its two cameras.Consolidate your email. Read and send messages from any of your accounts.Learn undocumented tips and tricks. Get the lowdown on cool iPad secrets and workarounds.

    Each mini-chapter adds one feature to the ray tracer, and by the end the reader can produce the image on the book cover. Details of basic ray tracing code architecture and C++ classes are given.

    Each chapter gives you the complete source code for a new game and teaches the programming concepts from these examples. The book is available under a Creative Commons license and can be downloaded in full for free from http: //inventwithpython.com/pygame This book was written to be understandable by kids as young as 10 to 12 years old, although it is great for anyone of any age who has some familiarity with Python.