Securing Hadoop Big Data Landscape with Apache Knox Gateway and Keycloak: Part 1
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
DevSecOps: Why is it important?
Before going into the details of DevSecOps. We need to understand how is it different from DevOps. Lets have a brief introduction for both of them. What is DevOps? I know many of you are already familiar with the concept of DevOps. DevOps is a combination of two words, Development as “Dev” and Operations as
Putting SQL back in NoSQL and Hadoop with Apache Phoenix
By now most of you might have guessed that things like Hadoop and HBase(and others) and big data in general are going to be in the everywhere. With all the power comes a lot of complexity. Most of you will agree that event the most seasoned Java developers will find performing stuff like Joins quite hard in the bare bones Map-Reduce world, Pig and Hive does come to rescue but still is not quite that easy as in the SQL world. So what’s the solution?
Is Golang better than Java?
Golang, also referred as Go, is an open source programming language developed by Google in 2007. It is a compiled, statically typed language somewhat similar to C. Two major implementations of this language is:
- Google’s Go compiler, “gc”, is developed as open source software
- Targets various platforms including Linux, OS X, Windows, various BSD and Unix versions and smartphones.
Comparison of Golang with Java:
How does classloading works in a Java Application(J2SE)
Class loading is one of the most important aspects of Java and most of the times its abstracted away from us when we use IDEs and dependency management tools like Maven. For most of the part its ok until one fine day you stumble upon something a NoClassDefFoundError and have to bite the bullet to figure out How does actually class loading works in Java?
Li-Fi Technology in a nutshell
Li-Fi, or Light Fidelity, is suddenly in the news these days because an Estonian company called Velmenni conducted a real-world test where it was able to transfer data between devices at 1 Gbps, which is roughly 100 times faster than Wi-Fi in the real world. How Li-fi Works- The Internet and router/server is hooked to
Converting VirtualBox .vdi diskfiles to Hyper-V .vhd files
If you are using Oracle Virtual Box with .vdi format for the disk image and want to move your virtual machine to Microsoft Hyper -V there is a small migration required as currently Hyper-V doesn’t read the .vdi file. The good part is that its extremely easy as well as Virtual Box also comes with
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
Apache web server tips and tricks
There are may small and big features in Apache that make it one of the easiest web server to configure and administrate.In this post I am posting some of the tips and tricks that I found incredibly useful. Finding request serving time as an extra header in Apache 2.4 This one is especially useful if
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