Category: Technology

Securing Hadoop Big Data Landscape with Apache Knox Gateway and Keycloak: Part 4 (Configuring Knox to Authenticate with Keycloak)

Prerequisites As both Keycloak and Knox are Java based application, the only prerequisite is to have Java installed and JAVA_HOME environment variable set . I have tested the application with Java 8. Setting up Keycloak Getting started with Keycloak is as easy as downloading the latest version of Keycloak Server from the download section of Read More

Securing Hadoop Big Data Landscape with Apache Knox Gateway and Keycloak: Part 3(Reference Architecture for Securing Hadoop Landscape)

The sample problem In a typical enterprise environment we will have a Hadoop distribution, that will require Kerberos Authentication. The problem with Kerberos is its complicated and will require special clients if we want to access them. Also you might have a heterogeneous application architecture, that interfaces with variety of authentication mechanism(like OAuth, SAML etc.), Read More

Securing Hadoop Big Data Landscape with Apache Knox Gateway and Keycloak: Part 2(Introduction to Apache Knox)

This this one we will formally introduce Apache Knox Gateway and touch upon some of the problems it tries to solve. Introduction to Apache Knox In the simplest of terms Knox is a reverse proxy for Hadoop deployments. The Knox Gateway provides a single access point for all REST and HTTP interactions with Apache Hadoop Read More

Securing Hadoop Big Data Landscape with Apache Knox Gateway and Keycloak: Part 1(Keycloak’s introduction)

In this post we will cover the topic of securing your Hadoop infrastructure using Apache Knox and Keycloak. We will start with a general introduction of the projects involved and the will look at a sample configuration of both. Keycloak’s introduction Keycloak is an open source Identity and Access Management solution aimed at modern applications Read More

Things to know about MPEG-DASH for HTML 5

MPEG-DASH ( Dynamic Adaptive Streaming over HTTP) is the latest addition to HTML 5 video streaming state. It adds some major and previously left out features, to HTML 5 video streaming without using any third party plugins. Some of which are: Adaptive Streaming Historically speaking if we wanted to view an video online we had to Read More

Multilingual support and adding custom Locales in Keycloak

Keycloak 1.2.0 Final was released recently with tons of new features one of my favourites was Multilingual support for the login, account and admin pages. So this post will be a walkthrough on how to enable multilingual support in keycloak and how to add custom Local(messages in differnent languages) in keycloak.  To create new Locales just go to the Read More

Must have apps to enhance your typical Android experience.

Android is a platform that got to its glory entirely on one thing its humongous application base  that enhances and extends  the platform. So here is a small list of my favorite applications that just makes the everyday Android experience just pure pleasure.  🙂

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Binary Conversions, You Won’t Know About…

1 Bit = Binary Digit
8 Bits = 1 Byte
1024 Bytes = 1 Kilobyte
1024 Kilobytes = 1 Megabyte
1024 Megabytes = 1 Gigabyte
1024 Gigabytes = 1 Terabyte
1024 Terabytes = 1 Petabyte
1024 Petabytes = 1 Exabyte
1024 Exabytes = 1 Zettabyte
1024 Zettabytes = 1 Yottabyte
1024Yottabytes = 1 Brontobyte
1024 Brontobytes = 1 Geopbyte

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Technologies that never caught up

One of the Sylvester Stallone’s best quotes form the movie Rocky was “Life ain’t all about sunshine and rainbows… ” and its even true for technologies. So here is a list of tech that never got their glory.

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Free IT Training From Microsoft

Hi Everyone, If you are looking for some great training  stuff  for programming in Languages like C#, F#, HTML5 etc. ,or even if you are interested in training in latest IT related products(Like Windows Server, SQL, SharePoint etc.) form Microsoft just stop looking further and head on to Microsoft Virtual Academy. Its a venture by Microsoft and it covers Read More

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