Passwordless SSH (Secure Shell) between two machines is required by a lot of distributed frameworks. It creates a secure shell connection from the host machine to the remote machine without password prompt. Follow the steps below to configure Passwordless SSH between two linux machines. Prerequisites 1. Install Open SSH Server package on […]
Introduction to Hadoop
The document starts with the introduction to Hadoop and covers the Hadoop 1.x / 2.x services (HDFS / MapReduce / YARN). It also explains the architecture of Hadoop, the working of Hadoop distributed file system and MapReduce programming model. Hadoop Introduction
Linux Overview
As a beginner, you should know about some basic details of Linux which are described well in this blog. Linux is an operating system such as Windows, Mac. This topic includes an introduction to Linux, a brief description of Linux kernel, various Linux versions which are used worldwide commercially or […]
Appium Configuration and Installation
In this tutorial, we would shed some light on a newly acclaimed tool for Mobile Application Testing named as Appium. We have designed the tutorial to show the step by step Appium installation and setup. Appium (Selenium for Apps) is an open source Automation Testing Framework which specifically caters mobile […]
Performance Testing Basics
We will begin this tutorial with a very basic question about Performance Testing. What is Performance Testing and its types? The software testing performed to determine the behavior of the application under test when subjected to Vuser load. The software testing / technical investigation done to determine or validate the […]
Double Clicking an element in Selenium WebDriver
In this tutorial, we will explain how to work with Actions Class for double clicking an element by taking a simple example. To do the same, we have created a Junit class. We will exploit the capabilities of WebDriver’s Actions Class in order to perform Double Click. Check out the […]
Handling alert in Selenium WebDriver
This video describes how to handle alert pop up using Selenium. It will also let you know about WebDriver’s Alert Interface to handle web based pop ups and Robot Class to handle window based pop ups.
Model Binders
As promised, we are back with model binders. Model binders are one of the core feature(and powerful) of asp.net MVC framework. Like everybody else, I switched from web forms to .Net MVC. It was very difficult for me to understand how .net framework binds all the values located at view […]
Working With Custom MVC Html Helpers
What are Html Helpers? If you have already worked with Asp.Net web forms you can relate html helpers with the asp.net controls of web forms. Just like Asp.Net controls, html helpers render html controls on web page. There is only one difference between Html Helpers and Asp.Net controls and its […]
Install Hive with local metastore
Being a data-warehousing framework, a single session for Hive is not preferred. To solve this limitation of Embedded Metastore, a support for Local Metastore was developed. A separate database service runs as a process on same or remote machine. The Metastore service still runs in the same JVM within hive […]