Setting up LZO compression in Hadoop/YARN 9 Comments Install liblzo On Redhat based systems sudo yum install liblzo-devel On Debian based systems sudo apt-get install liblzo2-dev Clone th... Read More
Building/Compiling Hadoop Native Library 1 Comment If you see WARN like WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes w... Read More
Installing CDH 5 Hadoop YARN on a Single Linux Node in Pseudo-distributed Mode 1 Comment For development purpose, Apache Hadoop and CDH 5 components can be deployed on a single Linux node in pseudo-distributed mode. In pseudo-d... Read More
Apache Lucene: Hello World Example 1 Comment Apache Lucen is a full text-search library for java which helps you add search capability to your application/website. Note that Lucene is... Read More
Introduction to Gradle 5 Comments Gradle Introduction Gradle is full-flaged build tool for Java , Scala , Groovy and more. Gradle requires a JDK 1.5 or higher. Gradle ship... Read More
Creating Multiple Users in Hadoop Cluster 59 Comments What happens if we share same user among multiple users? If we share same hadoop user account among multiple users then we suffer from follo... Read More
Configuring OpenVPN Access Server and Connect Client in Ubuntu 1 Comment OpenVPN Access Server consists of three major components: OpenVPN Server Admin Web Interface/Admin UI Connect Client OpenVPN Server... Read More
Configure Your Own Maven Repository using FTP/SCP/SSH in Ubuntu Server 1 Comment Running your own Maven repository is dirt simple. All you need is a web server where you can upload files Maven supports FTP, SCP, WebDA... Read More
8 Ways to Backup Linux System 1 Comment Data loss is an error condition in information systems in which information is destroyed by failures or neglect in storage, transmission, o... Read More
Scala HelloWorld Program using SBT [Simple Build Tool] 1 Comment SBT is a build tool for Scala, Java, and more. It requires Java 1.6 or later. Installation of SBT $ mkdir $HOME/bin $ wget http://r... Read More
Recompiling/Rebuilding Oracle VM VirtualBox Kernel Module 2 Comments After installing Oracle VM VirtualBox in Ubuntu or CentOS you may face very first problem while starting VirtualBox or even if started it m... Read More
Setting up Hadoop YARN (Hadoop 2) developement environment in Linux 1 Comment Apache Hadoop MapReduce has completely modified and now known as YARN (Hadoop Operating System). Idea behind this is to split up the role o... Read More