Pro Linux High Availability Clustering by Sander van Vugt

By Sander van Vugt

Pro Linux excessive Availability Clustering teaches you ways to enforce this primary Linux add-on into your enterprise. Linux excessive Availability Clustering is required to make sure the provision of undertaking severe assets. The method is utilized progressively more in company datacenters around the globe. whereas plenty of documentation in regards to the topic is accessible on the web, it is not constantly effortless to construct a true resolution in accordance with that scattered info, that's frequently orientated in the direction of particular projects in basic terms. Pro Linux excessive Availability Clustering explains crucial high-availability clustering parts on all Linux structures, providing you with the perception to construct ideas for any particular case needed.

In this booklet 4 universal circumstances could be explained:

  • Configuring Apache for prime availability
  • Creating an Open resource SAN in response to DRBD, iSCSI and HA clustering
  • Setting up a load-balanced net server cluster with a back-end, highly-available database
  • Setting up a KVM virtualization platform with high-availability safeguard for a digital machine.

With the data you will achieve from those real-world functions, you can successfully follow Linux HA in your paintings scenario with self belief.

Author Sander Van Vugt teaches Linux high-availability clustering on education classes, makes use of it in his daily paintings, and now brings this data to you in a single position, with transparent examples and circumstances. Make the easiest begin with HA clustering with Pro Linux excessive Availability Clustering at your side.

What you’ll learn

  • Design Linux excessive availability clusters
  • Set up an atmosphere to guard venture severe applications
  • Connecting servers in a redundant method to the SAN
  • Create a cheap SAN in accordance with open resource software
  • Set up clusters for cover of Oracle and SAP workloads
  • Write your individual cluster source script
  • Create an open resource SAN
  • Create a loose hypervisor utilizing KVM because the virtualization platform
  • Set up a flexible, fault-tolerant, high-performance internet shop

Who this publication is for

This ebook is for technical expert Linux method directors that are looking to find out how they could improve software availability by utilizing Linux excessive Availability clusters.

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Elasticsearch Server: Second Edition by Rafal Kuć,Marek Rogoziński

By Rafal Kuć,Marek Rogoziński

A sensible consultant to construction quickly, scalable, and versatile seek suggestions with transparent and easytounderstand examples

About This Book

  • Learn concerning the attention-grabbing functionalities of ElasticSearch like information indexing, facts research, and dynamic mapping
  • Fine-tune ElasticSearch and comprehend its metrics utilizing its API and on hand instruments, and notice the way it behaves in advanced searches
  • A hands-on educational that walks you thru the entire gains of ElasticSearch in an easy-to-understand approach, with examples to help you turn into a professional in no time

Who This e-book Is For

If you're a net developer or a person who desires to examine extra approximately Elasticsearch, then this can be the e-book for you. you don't need to grasp whatever approximately Elasticsearch, Java, or Apache Lucene that allows you to use this publication, although simple wisdom of databases and queries is required.

What you are going to Learn

  • Configure and create your individual index
  • Set up an research chain and deal with multilingual data
  • Use the Elasticsearch question DSL to make every kind of queries
  • Utilize filters successfully and make sure they don't have an effect on performance
  • Implement autocomplete functionality
  • Employ faceting, the aggregations framework, and comparable functionalities to get extra out of your seek and enhance your consumers' seek experience
  • Monitor your cluster nation and wellbeing and fitness through the use of Elasticsearch APIs in addition to third-party tracking solutions
  • Learn what gateway and discovery modules are, and the way to correctly configure them
  • Control fundamental shards and copy rebalancing

In Detail

This publication starts off by way of introducing the main popular Elasticsearch server functionalities, from developing your individual index constitution, via querying, faceting, and aggregations, and ends with cluster tracking and challenge prognosis. As you move during the e-book, you'll conceal subject matters reminiscent of beginning Elasticsearch, making a new index, and designing its right constitution. After that, you will examine the question API that Elasticsearch exposes, in addition to approximately filtering services, aggregations, and faceting. final yet no longer least, you'll get to understand how to define related files through the use of comparable functionalities and the way to enforce program indicators through the use of the possible seek performance referred to as percolator. a few complicated themes resembling shard allocation regulate, gateway configuration, and the way to take advantage of the invention module can also be mentioned. This booklet also will convey you the chances of cluster nation and well-being tracking in addition to the best way to use third-party tools.

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Foundations of Python Network Programming by Brandon Rhodes,John Goerzen

By Brandon Rhodes,John Goerzen

Foundations of Python community Programming, Third Edition, covers all the vintage issues present in the second one version of this e-book, together with community protocols, community facts and error, e mail, server structure, and HTTP and internet purposes, plus updates for Python 3.

Some of the recent subject matters during this variation include:

• huge assurance of the up-to-date SSL help in Python 3

• find out how to write your personal asynchronous I/O loop.

• an summary of the "asyncio" framework that includes Python 3.4.

• How the Flask internet framework connects URLs in your Python code.

• How cross-site scripting and cross-site request forgery can be utilized to assault your site, and the way to guard opposed to them.

• How a full-stack internet framework like Django can automate the around journey out of your database to the monitor and back.

If you are a Python programmer who wishes a deep figuring out of the way to exploit Python for network-related initiatives and functions, this is often the booklet for you. From net software builders, to structures integrators, to procedure administrators—this ebook has every thing it's essential know.

What you’ll learn

• vast assurance of the up to date SSL help in Python 3

• the best way to write your individual asynchronous I/O loop.

• an outline of the "asyncio" framework that incorporates Python 3.4.

• How the Flask net framework connects URLs in your Python code.

• How cross-site scripting and cross-site request forgery can be utilized to assault your website, and the way to guard opposed to them.

• How a full-stack internet framework like Django can automate the around journey out of your database to the monitor and back.

• up to date insurance of community protocol layers and information encodings

• How Python three works with community exception handling

• the way to use the requests library rather than urllib2

• accelerated assurance of Python net frameworks

• tips on how to paintings with net purposes and email

Who this booklet is for

If you are a Python programmer who wishes a deep realizing of the way to exploit Python for network-related initiatives and functions, this is often the ebook for you. From net software builders, to structures integrators, to process administrators—this publication has every thing that you have to know.

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PostgreSQL Replication by Zoltan Boszormenyi,Hans-Jurgen Schonig

By Zoltan Boszormenyi,Hans-Jurgen Schonig

In Detail

PostgreSQL bargains a finished set of replication comparable gains, that are used to make your database servers extra powerful and far more scalable. Unleashing the facility of PostgreSQL offers the person with numerous possibilities and a aggressive virtue over different database structures. To make issues extra robust, PostgreSQL can be utilized at the side of a handful of subtle instruments serving quite a few diversified wishes resembling queuing, logical replication, or simplified transaction log handling.

"PostgreSQL Replication" is a pragmatic, hands-on consultant to PostgreSQL replication. it's going to give you the theoretical heritage in addition to easy examples displaying you ways to make replication paintings in your approach. A huge toolchain may be provided in addition to mature PostgreSQL-core technology.

"PostgreSQL Replication" begins with an advent to replication suggestions in addition to the actual boundaries of alternative replication strategies. you can be guided via quite a few innovations equivalent to Point-In-Time-Recovery, transaction-log-based replication and you'll be brought to a collection of replication-related instruments. within the ultimate bankruptcy you'll discover ways to scale PostgreSQL to many various servers utilizing PL/Proxy.

You will methods to reset PostgreSQL to a definite time limit and work out tips on how to mirror facts in lots of methods. you are going to take care of either synchronous in addition to asynchronous replication. as well as that, the publication covers vital themes, comparable to Slony, and enhancements with nearly no downtime. we'll additionally conceal very important performance-related issues to ensure your database setups will give you excessive velocity AND excessive availability.

"PostgreSQL Replication" includes the entire info you want to layout and function replicated setups. you are going to examine every little thing you must understand to your day-by-day paintings and much more.


This publication has a bankruptcy devoted to every one element of replication. the hot gains of PostgreSQL nine are brought and there are many sensible examples and screenshots.

Who this e-book is for

"PostgreSQL Replication" is perfect for PostgreSQL directors who are looking to manage and comprehend replication. to be able to make your databases extra powerful, safer, quicker, and extra scalable, you can find all of the details you would like during this unmarried publication focusing completely on PostgreSQL replication. it really is assumed that you just have already got a few easy adventure with PostgreSQL.

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Dive Into Python 3 by Mark Pilgrim

By Mark Pilgrim

Mark Pilgrim's Dive Into Python 3 is a hands-on consultant to Python three (the most recent model of the Python language) and its transformations from Python 2. As within the unique booklet, Dive Into Python, every one bankruptcy begins with a true, entire code pattern, proceeds to choose it aside and clarify the items, after which places all of it again jointly in a precis on the end.

This ebook includes:

  • Example courses thoroughly rewritten to demonstrate robust new techniques now on hand in Python three: units, iterators, turbines, closures, comprehensions, and masses more
  • A precise case examine of porting an important library from Python 2 to Python 3
  • A entire appendix of all of the syntactic and semantic adjustments in Python 3

This is the proper source for you if you would like to port purposes to Python three, or in the event you wish to bounce into languages speedy and get going correct away.

What you will learn

  • Understand Python three code by means of seeing it damaged down and explained
  • Make complete use of the most recent Python positive aspects equivalent to iterators, turbines, closures, sessions and comprehensions
  • Refactor latest code to enhance maintainability
  • Learn the best way to serialize Python gadgets with the pickle protocol and JSON format
  • Learn the right way to package deal your individual Python libraries and add them to the Python package deal Index to proportion your tasks with Python builders worldwide
  • Use Python three to devour HTTP net services
  • Port present Python purposes to Python three by means of following a case research for a tremendous library

Who is that this e-book for?

  • Anyone who desires to examine the most recent model of Python in a quick, hands-on fashion
  • Existing Python programmers who are looking to study speedy the best way to utilize the positive factors of the newest model of Python and port their code to it
  • Programmers coming from different languages in need of a quick creation to Python that will get them pondering complicated recommendations quickly

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OpenStack Trove Essentials by Alok Shrivastwa,Sunil Sarat

By Alok Shrivastwa,Sunil Sarat

Build your individual cloud established Database as a carrier utilizing OpenStack Trove

About This Book

  • Familiarize your self with the concept that of Database as a provider and make your current approach scalable and effective with OpenStack Trove
  • Minimize the executive projects and complexities of handling your cloud infrastructure
  • This is a fast paced consultant to datastore administration at the OpenStack platform utilizing OpenStack Trove

Who This e-book Is For

If you're a DBA / approach administrator / architect, or a scholar who desires to construct a Database as a provider in accordance with OpenStack, this ebook is for you. you will have a simple wisdom of OpenStack parts, RDBMS/NoSQL, IaaS, and cloud computing.

What you'll Learn

  • Get to grips with the fundamentals of OpenStack and the must haves to put in Trove
  • Understand the expectancies of DBaaS and the way Trove can help in achieving them
  • Set up a uncomplicated install of DevStack (Development Stack) in a digital box
  • Install Trove and make the most of its configuration teams to regulate and music databases
  • Use photograph builder to create visitor photos for Trove
  • Utilize Trove to provision your first database instance
  • Back up and fix your databases with assistance from Trove

In Detail

OpenStack has develop into an incredibly well known strategy to construct private and non-private clouds with. Database as a provider (DBaaS) allows the supply of extra agile database prone at reduce bills. another advantages of DBaaS are safe database deployments and compliance to criteria and most sensible practices. Trove is a DBaaS outfitted on OpenStack and is rising in popularity by means of the day.

Since Trove is likely one of the most modern tasks of OpenStack, DBAs and method directors can locate it tricky to establish and run a DBaaS utilizing OpenStack Trove. This publication is helping DBAs make that step. we begin by means of introducing you to the techniques of DBaaS and the way is it applied utilizing OpenStack Trove. Following this, we glance at enforcing OpenStack and deploying Trove. relocating on, you'll learn how to create visitor photographs for use with Trove. We then examine how you can provision databases in self-service mode, and the way to accomplish management initiatives akin to backup and restoration, and fine-tuning databases. on the finish of the ebook, we are going to research a few complex good points of Trove akin to replication.

Style and method

This fast paced, step by step advisor introduces you to DBaaS, OpenStack Trove, and its elements, prime you thru construction your individual Cloud-based DBaaS. utilizing the DevStack deployment strategy, you'll spend much less time on fitting OpenStack so that you can commit extra time to studying the way to provision and deal with databases in a DBaaS environment.

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The Rust Programming Language by Steve Klabnik,Carol Nichols

By Steve Klabnik,Carol Nichols

The Rust Programming Language is the professional booklet on Rust; a community-developed, platforms programming language that runs blazingly quick, prevents segfaults, and promises thread protection. Rust’s reminiscence security promises, enforced at collect time, guard your courses opposed to the various difficulties that pervade different structures languages. Rust bargains the keep an eye on and function of a low-level language with the necessary abstractions of a excessive point one, and does this all with no need a rubbish collector. those features make Rust helpful for embedding in different languages, courses with particular area and time necessities, and writing low-level code, like machine drivers and working structures.

The Rust Programming Language starts off with a short hands-on venture to introduce the fundamentals, then explores key innovations extensive, akin to possession, the kind process, errors dealing with, and fearless concurrency. distinct reasons of Rust-oriented takes on subject matters like development matching, iterators, and shrewdpermanent tips mix with examples and workouts to take you from conception to perform.

In addition to its thorough insurance of extra granular themes, The Rust Programming Language will enable you:

-Grasp very important ideas special to Rust like possession, borrowing, and lifetimes
-Use shipment, Rust’s integrated package deal supervisor, to construct your code, together with downloading and construction dependencies
-Effectively use Rust’s zero-cost abstractions and discover ways to construct your own

constructed with support from the group, The Rust Programming Language is your reputable advisor to changing into a effective Rust programmer.

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Practical LXC and LXD: Linux Containers for Virtualization by Senthil Kumaran S.

By Senthil Kumaran S.

Use Linux bins in its place virtualization strategy to virtualize your working process atmosphere. This booklet will conceal LXC’s unequalled flexibility with virtualization and LXD’s tender person experience.
Practical LXC and LXD starts by means of introducing you to Linux boxes (LXC and LXD). you are going to then struggle through use instances in keeping with LXC and LXD. subsequent, you'll find the interior workings of LXC and LXD by way of contemplating the repositories and templates used. you'll then the way to combine LXC and LXD with universal virtualization and orchestration instruments akin to libvirt and SaltStack. eventually, you'll dive into containerization and defense. The booklet will discover a number of the universal difficulties in safety and supply a case research on how containerization will help mitigate many of the working system-level safety concerns in an IoT environment.
What you'll Learn
  • Get an creation to Linux containers
  • Discover the fundamentals of LXC and LXD
  • See use circumstances that may be solved with LXC and LXD – for builders, devops, and process administrators
  • Master LXC and LXD repositories
  • Use LXC and LXD with universal virtualization and orchestration tools
  • Consider a containerization and defense in IoT case study
Who This e-book Is For
The viewers for this e-book must have uncomplicated wisdom of Linux and software program improvement usually. The meant readership is essentially software program builders, operations engineers, and procedure directors who're attracted to devops, notwithstanding managers and fanatics also will make the most of this book.

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BeagleBone Essentials by Rodolfo Giometti

By Rodolfo Giometti

Harness the facility of the BeagleBone Black to regulate exterior environments utilizing C, Bash, and Python/PHP programming

About This Book

  • Learn the basics of Beaglebone Black through a close instructional that gives functional examples, from preliminary board setup to equipment motive force management
  • Access exterior peripherals to watch and keep an eye on an digital device
  • Monitor and regulate numerous digital units with the most effective embedded computers

Who This ebook Is For

If you're a developer with a few or electric engineering adventure who desires to the right way to use embedded machine-learning services and get entry to a GNU/Linux machine driving force to gather facts from a peripheral or to manage a tool, this is often the e-book for you.

What you'll Learn

  • Set up and set up a Debian working process on your BeagleBone Black
  • Get entry to the serial console to regulate the BeagleBone Black's bootloader and kernel
  • Discover the professionals and cons of local as opposed to cross-compiling C applications
  • Compile the Linux kernel from scratch and upload customized gadget drivers
  • Ascertain how a process daemon works and the way high-level languages can have interaction with it
  • Work with digital parts to construct a small circuit
  • Develop purposes that have interaction together with your circuits attached with the system's GPIOs, serial/USB ports, and I2C/SPI/1-Wire busses
  • Use RFID LF readers, temperature sensors, barcode readers, ADC/DAC, and different peripherals to observe and keep an eye on your surroundings

In Detail

The BeagleBone Black is an embedded approach that's in a position to run whole GNU/Linux distributions comparable to Debian or Ubuntu. Having robust distribution services, and filled with an simply expandable embedded board, the BeagleBone Black is a tool that might permit clients to construct strong and flexible tracking and controlling systems.

You begin via studying how one can manage the board from scratch; you'll be brought to the suggestions of compilation and cross-compilation of user-space and kernel-space purposes with a few uncomplicated debugging concepts. subsequent, you are going to circulation directly to high-level programming by utilizing scripting languages; you will then the best way to get entry to other forms of peripherals comparable to serial ports, USB units, I2C/SPI, and 1-Wire. eventually, you can find tips on how to use or improve process daemons in different programming languages, gather peripheral info, and regulate a tool. getting access to all peripherals and writing strong tracking and controlling courses could be a complicated activity; it is all too effortless to make blunders early in improvement that result in severe difficulties in creation. This consultant is a useful instructional while you're making plans to exploit a BeagleBone Black to regulate or video display projects.

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Apache Tomcat 7 by Aleksa Vukotic,James Goodwill

By Aleksa Vukotic,James Goodwill

Apache Tomcat is the preferred open-source de-facto Java net software server, typical for present day internet builders utilizing JSP/Servlets. Apache Tomcat 7 covers information on set up and management of Apache Tomcat 7. It explains key elements of the Tomcat structure, and offers an creation to Java Servlet and JSP APIs within the context of the Apache Tomcat server.

as well as uncomplicated ideas and management initiatives, Apache Tomcat 7 covers one of the most usually used complicated positive factors of Tomcat, together with safeguard, Apache net server integration, load balancing, and embedding Tomcat server in Java applications.

ultimately, via a realistic primer, it indicates how one can combine and use probably the most well known Java applied sciences with Apache Tomcat. In precis, Apache Tomcat 7 bargains either amateur and intermediate Apache Tomcat clients a pragmatic and finished consultant to this robust software program.

What you’ll learn

  • Install and manage Tomcat 7 on home windows and Unix structures
  • Manage and installation software deployed on Tomcat 7 utilizing supervisor software
  • Secure Tomcat 7 server utilizing safety geographical regions or HTTPS protocol
  • Embed Tomcat 7 server into your computing device Java software
  • Efficiently configure Tomcat 7 with Apache internet server
  • Configure info resources and mail classes utilizing JNDI in Tomcat
  • Configure logging for internet functions deployed on Tomcat server

Who this booklet is for

This e-book is for these internet builders and/or Java programmers new to the open-source Apache Tomcat net server. it is also for these new to the most recent unencumber, model 7.

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