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Configure Your Own Maven Repository using FTP/SCP/SSH in Ubuntu Server

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...
Creating Multiple Users in Hadoop Cluster

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...
Configuring OpenVPN Access Server and Connect Client in Ubuntu

OpenVPN Access Server consists of three major components: OpenVPN Server Admin Web Interface/Admin UI Connect Client OpenVPN Server...
Setting up LZO compression in Hadoop/YARN

Install liblzo On Redhat based systems sudo yum install liblzo-devel On Debian based systems sudo apt-get install liblzo2-dev Clone th...
Apache Lucene: Hello World Example

Apache Lucen is a full text-search library for java which helps you add search capability to your application/website. Note that Lucene is...
Processing data from AWS S3 using Cascading on Apache Hadoop YARN

S3 Native FileSystem (URI scheme: s3n) A native filesystem for reading and writing regular files on s3. The advantage of this filesystem i...
Cloud Computing: A Look on Telnet and SSH

Telnet: Traditional way to connect Remote Host Overview, Telnet is an OSI Application Layer protocol used to provide a bidirectional i...
Installing CDH 5 Hadoop YARN on a Single Linux Node in Pseudo-distributed Mode

For development purpose, Apache Hadoop and CDH 5 components can be deployed on a single Linux node in pseudo-distributed mode. In pseudo-d...
Ganglia Architecture and Module Development

Ganglia Architecture and Module Development Ganglia monitoring suite consists of three main parts: gmond, gmetad and ganglia...
Recompiling/Rebuilding Oracle VM VirtualBox Kernel Module

After installing Oracle VM VirtualBox in Ubuntu or CentOS you may face very first problem while starting VirtualBox or even if started it m...