OpenStack Operations Guide

By Tom Fifield, Diane Fleming, Anne Gentle, Lorin Hochstein, Jonathan Proulx

Design, install, and keep your individual inner most or public Infrastructure as a provider (IaaS), utilizing the open resource OpenStack platform. during this sensible consultant, skilled builders and OpenStack members provide help to construct clouds in accordance with reference architectures, in addition to how you can practice day-by-day management tasks.

Designed for horizontal scalability, OpenStack helps you to construct a cloud by means of integrating a number of applied sciences. This method offers flexibility, yet figuring out which suggestions to exploit might be bewildering. when you whole this e-book, you’ll be aware of the suitable inquiries to ask when you manage compute, garage, and networking assets. in the event you already know the way to regulate a number of Ubuntu machines and keep MySQL, you’re prepared to:

  • Set up automatic deployment and configuration
  • Design a single-node cloud controller
  • Use metrics to enhance scalability
  • Explore compute nodes, community layout, and storage
  • Install OpenStack packages
  • Use an instance structure to aid simplify decision-making
  • Build a operating setting to discover an IaaS cloud
  • Manage clients, tasks, and quotas
  • Tackle upkeep, debugging, and community troubleshooting
  • Monitor, log, backup, and restore

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Game Programming Algorithms and Techniques: A Platform-Agnostic Approach (Game Design)

By Sanjay Madhav

Game Programming Algorithms and strategies is a close assessment of a number of the vital algorithms and strategies utilized in online game programming this day. Designed for programmers who're accustomed to object-oriented programming and easy facts constructions, this booklet makes a speciality of functional suggestions that see real use within the video game industry.


Sanjay Madhav takes a distinct platform- and framework-agnostic method that might aid strengthen nearly any video game, in any style, with any language or framework. He offers the elemental ideas for operating with 2nd and 3D photographs, physics, synthetic intelligence, cameras, and lots more and plenty more.


Each thought is illuminated with pseudocode that might be intuitive to any C#, Java, or C++ programmer, and has been sophisticated and confirmed in Madhav’s video game programming classes on the collage of Southern California. evaluation questions after every one bankruptcy aid solidify an important thoughts sooner than relocating on.


Madhav concludes with an in depth research of 2 entire video games: a 2nd iOS side-scroller (written in Objective-Cusing cocos2d) and a 3D PC/Mac/Linux tower protection video game (written in C# utilizing XNA/ MonoGame). those video games illustrate the various algorithms and strategies coated within the prior chapters, and the complete resource code is offered at


Coverage includes

  • Game time administration, velocity regulate, and making sure consistency on diversified hardware
  • Essential 2nd photos innovations for contemporary cellular gaming
  • Vectors, matrices, and linear algebra for 3D games
  • 3D photos together with coordinate areas, lights and shading, z-buffering, and quaternions
  • Handling today’s good selection of electronic and analog inputs
  • Sound structures together with sound occasions, 3D audio, and electronic sign processing
  • Fundamentals of online game physics, together with collision detection and numeric integration
  • Cameras: first-person, stick with, spline, and more
  • Artificial intelligence: pathfinding, state-based behaviors, and strategy/planning
  • User interfaces together with menu platforms and heads-up displays
  • Scripting and text-based info records: while, how, and the place to exploit them
  • Basics of networked video games together with protocols and community topology

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Linked Data: Structured data on the Web

By David Wood, Marsha Zaidman, Luke Ruth, Michael Hausenblas

The present net is known as a number of associated records necessary for human intake. The evolving net comprises information collections that could be pointed out and associated that will be fed on by way of automatic methods. The W3C method of this can be associated facts and it's already utilized by Google, fb, IBM, Oracle, and govt companies worldwide.

Linked info provides functional concepts for utilizing associated facts on the internet through universal instruments like JavaScript and Python. You'll paintings step by step via examples of accelerating complexity as you discover foundational techniques reminiscent of HTTP URIs, the source Description Framework (RDF), and the SPARQL question language. Then you'll use a number of associated facts record codecs to create strong net functions and mashups.

Written to be instantly worthwhile to net builders, this publication calls for no earlier publicity to associated information or Semantic net applied sciences.

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Rapid Prototyping with JS: Agile JavaScript Development: Start learning Backbone.js, Node.js and MongoDB

By Azat Mardan

Start studying Backbone.js, Node.js and MongoDB.

What's Inside

Rapid Prototyping with JS: Agile JavaScript Development is a hands-on publication which introduces you to agile JavaScript net and cellular software program improvement utilizing the most recent state of the art front-end and back-end applied sciences including:

  • Node.js
  • MongoDB
  • Backbone.js
  • Heroku
  • Windows Azure

Practical Examples

Practical examples contain construction a number of types of the Chat app:

  • jQuery + JS relaxation API
  • Backbone and JS SDK
  • Backbone and Node.js
  • Backbone and Node.js + MongoDB

The Chat software has all of the starting place of a regular web/mobile program: fetching facts, showing it, filing new data.

Other examples within the ebook as follows:

  • jQuery + Twitter RESP API “Tweet Analyzer”
  • “Save John”
  • Node.js “Hello World”
  • MongoDB “Print Collections”
  • Derby + show “Hello World”
  • Backbone.js “Hello World”
  • Backbone.js “Apple Database”
  • Monk + Expres.js “REST API Server”

This ebook will prevent many hours via offering the hand-picked and validated colletion of fast commence courses. RPJS has useful examples that let to spend much less time studying and extra time construction your personal functions. Prototype quick and ship code that matters!

More information at, and in addition to be had fro LeanPub at


This booklet was once borne out of frustration. i've been in software program engineering for a few years, and while I

started studying Node.js and Backbone.js, I discovered the challenging manner that their respectable documentation and the

Internet lack in fast commence courses and examples. remember that, it used to be almost very unlikely to discover all of the

tutorials for JS-related smooth applied sciences in a single place.

The top approach to study is to do, correct? hence, I’ve used the method of small basic examples, i.e., fast start

guides, to reveal myself to the recent cool tech. After i used to be performed with the fundamental apps, i wished a few references

and association. i began to put in writing this handbook ordinarily for myself, so i will comprehend the innovations better

and seek advice from the samples later. Then StartupMonthly and that i taught a couple of 2-day extensive periods at the same

subject — supporting skilled builders to jump-start their careers with agile JavaScript improvement. The

manual we used used to be up-to-date and iterated repeatedly in accordance with the suggestions acquired. the result is this


What to Expect

A regular reader of RPJS should still count on a suite of quickly begin publications, tutorials and recommendations (e.g., Git

workflow). there's a lot of coding and never a lot thought. all of the conception we conceal is without delay concerning a number of the useful elements, and crucial for higher realizing of applied sciences and particular techniques in dealing

with them, e.g., JSONP and cross-domain calls.

In addition to coding examples, the publication covers nearly all setup and deployment step-by-step.

You’ll study at the examples of Chat web/mobile purposes beginning with front-end parts. There are

a few types of those functions, yet via the top we’ll positioned front-end and back-end jointly and installation to

the creation atmosphere. The Chat program includes all the precious parts general for a basic

web app, and should offer you sufficient self assurance to proceed constructing by yourself, follow for a job/promotion

or construct a startup!

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Linux Voice [UK], Issue 26 (May 2016)

About Linux Voice

Linux Voice is an self sufficient GNU/Linux and unfastened software program journal from the main skilled newshounds within the business.

About this issue

Desktop showdown! We look at the simplest machine environments to be had in 2016 and provides our verdict on easy methods to arrange your final operating environment.
Plus: learn the way we'd repair loose software program, notice the recent OS from the Linux beginning and catch up with neighborhood supervisor and podcaster extraordinaire Alan Pope. unharness your internal penguin with our tutorials: run a web place of work suite, remain fit at paintings, construct an OpenStack cloud and grasp your Raspberry Pi.

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Gray Hat Hacking The Ethical Hackers Handbook, 3rd Edition

By Shon Harris

THE most modern options FOR UNCOVERING modern-day such a lot DEVASTATING ATTACKS

Thwart malicious community intrusion by utilizing state-of-the-art innovations for locating and solving safeguard flaws. absolutely up to date and improved with 9 new chapters, Gray Hat Hacking: the moral Hacker's Handbook, 3rd version info the latest vulnerabilities and treatments besides criminal disclosure tools. research from the specialists how hackers aim platforms, defeat construction schemes, write malicious code, and make the most flaws in home windows and Linux structures. Malware research, penetration trying out, SCADA, VoIP, and net defense also are coated during this accomplished source.

  • Develop and release exploits utilizing backpedal and Metasploit
  • Employ actual, social engineering, and insider assault ideas
  • Build Perl, Python, and Ruby scripts that start up stack buffer overflows
  • Understand and stop malicious content material in Adobe, workplace, and multimedia documents
  • Detect and block client-side, internet server, VoIP, and SCADA assaults
  • Reverse engineer, fuzz, and decompile home windows and Linux software program
  • Develop SQL injection, cross-site scripting, and forgery exploits
  • Trap malware and rootkits utilizing honeypots and SandBoxes

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Secure Coding in C and C++

By Robert C. Seacord

"The defense of knowledge platforms has now not better at a fee in step with the expansion and class of the assaults being made opposed to them. to handle this challenge, we needs to increase the underlying ideas and methods used to create our structures. particularly, we needs to construct safety in from the beginning, instead of append it as an afterthought. that is the element of safe Coding in C and C++. In cautious element, this ebook exhibits software program builders how you can construct top quality platforms which are much less liable to expensive or even catastrophic assault. it is a publication that each developer should still learn prior to the beginning of any severe project."
--Frank Abagnale, writer, lecturer, and top advisor on fraud prevention and safe documents

Learn the basis factors of software program Vulnerabilities and the way to prevent Them

Commonly exploited software program vulnerabilities tend to be attributable to avoidable software program defects. Having analyzed approximately 18,000 vulnerability stories during the last ten years, the CERT/Coordination heart (CERT/CC) has made up our minds really small variety of root motives account for many of them. This booklet identifies and explains those motives and indicates the stairs that may be taken to avoid exploitation. furthermore, this publication encourages programmers to undertake defense top practices and boost a safety approach that could support shield software program from tomorrow's assaults, not only today's.

Drawing at the CERT/CC's reviews and conclusions, Robert Seacord systematically identifies this system blunders probably to guide to defense breaches, exhibits how they are often exploited, experiences the capability results, and provides safe alternatives.

Coverage contains technical element on how to

  • Improve the general safety of any C/C++ application
  • Thwart buffer overflows and stack-smashing assaults that take advantage of insecure string manipulation logic
  • Avoid vulnerabilities and protection flaws due to the inaccurate use of dynamic reminiscence administration functions
  • Eliminate integer-related difficulties: integer overflows, signal blunders, and truncation errors
  • Correctly use formatted output capabilities with out introducing format-string vulnerabilities
  • Avoid I/O vulnerabilities, together with race stipulations

Secure Coding in C and C++ offers countless numbers of examples of safe code, insecure code, and exploits, carried out for home windows and Linux. in case you are accountable for developing safe C or C++ software--or for retaining it safe--no different e-book provides you with this a lot unique, professional assistance.

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Scratch 2.0 Game Development HOTSHOT

By Sergio van Pul

10 attractive tasks that may educate you ways to construct fascinating video games with the easytouse Scratch 2.0 environment

About This Book

  • Discover easy methods to utilize the hot Scratch 2.0 interface
  • Understand how games paintings below the hood
  • Make your initiatives come to lifestyles, utilizing functional programming principles
  • Learn how you can plan and construct your personal interactive projects

Who This publication Is For

If you're a new, or present Scratch person and wish to increase your realizing of the recent Scratch 2.0 interface, and the way to make games, this publication is perfect for you. each one undertaking is defined in-depth from begin to end, so each person can keep on with alongside, no matter if you do not have a lot past adventure with the software program. in an effort to turn into a online game clothier, this e-book is a straightforward- to- use and pleasant consultant in regards to the international of interactive media. it is going to educate, problem, and encourage you to create nice interactive projects.

What you are going to Learn

  • Draw and edit online game graphics
  • Construct scripts from good judgment blocks
  • Utilize operators and stipulations to lead online game actions
  • Use variables and lists to avoid wasting and reuse dynamic numbers
  • Create either mouse and keyboard controls for numerous purposes
  • Implement usual physics results resembling collisions and gravity
  • Invent and construct power-ups
  • Learn the way to use a few complicated math, for larger taking a look circulation patterns
  • Make attention-grabbing point designs
  • Balance the sport for an relaxing experience
  • Reuse components to hurry up the construction process

In Detail

Playing games is enjoyable, despite the fact that, it truly is much more enjoyable to make your individual! Scratch 2.0 makes that problem much more uncomplicated. rather than diving into summary and complicated code, you could construct video games utilizing effortless to appreciate good judgment blocks. inside mins you could have your first online game up and running.

Readers can wait for an simply obtainable and enjoyable advent to programming and interactive media layout. inside mins of beginning this system, it is possible for you to to work out the 1st result of your labor. visible suggestions comes early and sometimes, making high-level, summary innovations much more straightforward to understand.

This e-book deals readers entry to fully interactive tasks in line with famous online game genres. you are going to then how you can use typical programming ideas corresponding to operators, variables, and functions.

From a broader viewpoint, additionally, you will the right way to plan and boost a video game from a common concept to the completed product, making a enjoyable and ordinary online game. Scratch 2.0 contains many new and intriguing gains, which makes it attainable to create extra complicated video games. the ultimate effects should be with reference to creation point video games. This booklet won't in simple terms introduce you to the Scratch 2.0 software program, but additionally educate you approximately interactive media design.

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Mercurial: The Definitive Guide

By Bryan O'Sullivan

This instructive e-book takes you step-by-step via how one can tune, merge, and deal with either open resource and advertisement software program initiatives with Mercurial, utilizing home windows, Mac OS X, Linux, Solaris, and different structures. Mercurial is the simplest process to profit in terms of allotted revision keep watch over. And it is a very versatile device that is perfect no matter if you are a lone programmer engaged on a small venture, or a part of an enormous group facing hundreds of thousands of files.

Mercurial allows a numerous number of improvement and collaboration equipment, and this booklet deals numerous concrete feedback to get you begun. This advisor might help you:

  • Learn the fundamentals of operating with a repository, changesets, and revisions
  • Merge alterations from separate repositories
  • Set up Mercurial to paintings with documents every day, together with which of them to track
  • Get examples and instruments for developing a variety of workflow models
  • Manage a venture that is making development on a number of fronts at once
  • Find and connect blunders by means of setting apart challenge sources
  • Use hooks to accomplish activities instantly in line with repository events
  • Customize the output of Mercurial

Mercurial: The Definitive Guide keeps a robust specialise in simplicity that can assist you examine Mercurial quick and thoroughly.

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FreeCAD: Solid Modeling with the Power of Python

By Brad Collette, Daniel Falck

Sturdy Modeling with the ability of Python

* choked with uncomplicated and engaging examples of python coding for the CAD world.
* comprehend FreeCAD's method of modeling and spot how Python places unheard of strength within the palms of users.
* Dive into FreeCAD and its underlying scripting language.

In Detail

FreeCAD is a normal objective platform for CAD improvement. it may be prolonged to exploit diversified workbenches to unravel diversified difficulties. special squarely on the engineering neighborhood, FreeCAD is an open resource layout program equipped to be prolonged. Python, the strong scripting language, is woven deeply into FreeCAD's DNA and provides clients unheard of strength to automate and invent.

"FreeCAD [How-to]" is a lean, quick travel of FreeCAD's significant workbenches and layout philosophy. The reader gets a hands-on creation to a number of modeling innovations and learn the way Python makes macro automation and layout possible.

FreeCAD permits clients to layout in quite a few methods; from drawing second designs as traces and circles to combining primitive solids into advanced 3D shapes. gadgets also can be created or converted by way of code you write in Python. FreeCAD even permits strength clients to increase the appliance itself with new dialogs, panels, and scripts. This ebook won't in simple terms help you start utilizing FreeCAD in a conventional GUI mode, yet will train you ways to harness its strong scripting language for extra power.

What you are going to examine from this book
* growing 3D strong gadgets with python
* 2nd draft layout and constraint modeling
* Turning 2nd drawings into 3D objects
* Combining easy primitives into complicated solids
* Recording Macros
* developing gadgets with code
* uploading and exporting data
* making a customized python conversation to automate a task
* Harnessing the restrictions engine with python


Written in cookbook variety, this booklet bargains many recipes to create items, import and export facts, create 3D stable items. each one recipe includes step by step directions via research of what was once performed in every one activity and different priceless information.

Who this e-book is written for

If you've been toying round with FreeCAD and wish to have extra keep watch over over your paintings movement then this ebook is for you.

The reader must have uncomplicated wisdom of modeling.

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