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01: Getting started with Zookeeper tutorial

Installing Zookeepr on Windows Step 1: Download Zookeeper from At the time of writing downloading zookeeper-3.4.11.tar.gz. Step 2: Using 7-zip on windows unpack the gzipped tar file into a folder. E.g. c:\development\zookeeper-3.4.11. you can see “zkServer.cmd” in the bin folder for windows & … Read more ›...

01: Apache Flume with JMS source (Websphere MQ) and HDFS sink

Apache Flume is used in the Hadoop ecosystem for ingesting data. In this example, let’s ingest data from Websphere MQ. Step 1: Apache flume is config driven. Hierarchy driven flume config flumeWebsphereMQQueue.conf file. You need to define the “source“, “ … Read more ›...

01: Apache Hadoop HDFS Tutorial

Step 1: Download the latest version of “Apache Hadoop common” from using wget, curl or a browser. This tutorial uses “”.

Step 2: You can set Hadoop environment variables by appending the following commands to ~/.bashrc file.

You can run this in a Unix command prompt as

Step 3: You can verify if Hadoop has been setup properly with

Step 4: The Hadoop file in $HADOOP_HOME/etc/Hadoop/ has the JAVA_HOME setting.

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01: Databricks getting started – Spark, Shell, SQL

Step 1:
Signup to Databricks community edition – Fill in the details and you can leave your mobile number blank. Select “COMMUNITY EDITION” ==“GET STARTED“.

If you have a Cloud account then you can use it.

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01: Docker tutorial with Java & Maven

Pre-requisite: Docker is installed on your machine for Mac OS X (E.g. $ brew cask install docker) or Windows 10. Docker interview Q&As.

Step 1: Create a Java project “docker-test” with “” file under “src/main/java”

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01: Getting started with Apache Kafka on Mac tutorial

Prerequisite This tutorial assumes that Java 8 is installed. You check this with

If Java is not installed, you can install it on Mac with:

Note: If you are using windows, use *.bat files instead of “*.ksh

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01: Getting started with Python on Mac OS

Python is popular in Big Data & data science projects. This tutorial outlines the basic steps to get started with Python on Mac OS.

1. Install Xcode

Xcode can be installed via Apple appstore. Xcode is Apple’s Integrated Development Environment (IDE). Xcode is a large suite of software development tools and libraries from Apple.

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Java Interview FAQs

800+ Java Interview Q&As