Create a self-signed SSL Certificate using OpenSSL.

In this blog I’ll be giving a little bit of insight on SSL certificates and then how to create a self-signed certificate using OpenSSL.

Let’s start with “What is an SSL Certificate?”

Cassandra Data Modeling — Primary , Clustering , Partition , Compound Keys

In this post we are going to discuss more about different keys available in Cassandra . Primary key concept in Cassandra is different from Relational databases. Therefore it is worth spending time to…

Introduction to AWS IAM

AWS IAM roles is a web service which gives you secured “Control Access” to AWS services for your users. IAM policies specify which services/actions are allowed or denied. You attach policies to group, users, roles which are then subject to permission that you define. In other words, IAM…

Upgrading to Selenium 3 with Gecko Driver

In this blog I will be discussing about the latest version of selenium i.e Selenium 3 . To use selenium 3 , we need Gecko driver to run the test cases in Mozilla browser.

Deep Dive Into Elasticsearch

In this presentation, we are going to discuss how Elasticsearch handles the various operations like insert, update, delete. We would also cover what is an inverted index and how segment merging works.