It was an Openstack Day…OSI 2014

Yesterday I attended Open Source India 2014 event which happened in NIMHANS Convention Center, Bengaluru. If you are new to OSI, let me brief you that the Open Source India is around 11 years old and believe me..its Asia’s largest convention on open source technology. Founded by EFI group, the main motto of this organization is to bridge the gap between industry and the open source community. This event is  a step forward for bringing some successful open source implementations  in the form of keynotes, discussions, workshops. I reached out to the venue at around 9:30 AM. I was pretty aware of the...

Installing Skype on CentOS 6.5

Getting skype working on CentOS 6.5 has been a daunting job for lot of system administrators. Usually I found system administrators posting this query in facebook and other Linux groups. This lead me to try out Skype on one of the available CentOS 6.5 machine. This guide should work for RHEL and latest Fedora versions too. Important Note published by CentOS Team: “…Starting with Aug 4th 2014, no version of Skype older than 4.3 works due to the changes that were implemented in the authentication mechanism. Any attempt to use older versions lead to an error message similar to “Cannot contact...

Automating Oracle Weblogic Server installation through shell script

Automation always saves your considerable time. Especially when you have to follow the similar step for hundreds of machine, automated scripts and tools have always been a great weapon for system administrators.Today I spent considerable time to setup Weblogic Server 10.3.6 on my CentOS 7.0 machine through shell script. This unattended script uses autoexpect rather than silent.xml or WLST as suggested by Oracle. Let me share the steps I followed to deploy the Weblogic Server: Ensure you have the following software in place downloaded from Oracle Website.We can’t use wget for this as it requires Oracle Login for downloading these...

How to integrate Redmine with Git?

Redmine built through Ruby on Rails has been impressive free and open source web-based project management. I have been Trac quite for some time and find Redmine very similar. One of my company colleague was finding difficulty integrating Redmine with Git. I decided to help him from the scratch and it went flawless. I had a VMware Workstation running on my Inspiron. I installed CentOS 6.3 but it should work for CentOS 6.2 too. I followed these below steps: Installing Pre-requisite Packages # yum install openssl-devel zlib-devel gcc gcc-c++ automake autoconf readline-devel curl-devel expat-devel gettext-devel patch mysql mysql-server mysql-devel httpd...

Running Hadoop on Ubuntu 14.04 ( Multi-Node Cluster)

This is an introductory post on Hadoop for new begineers who want step by step instruction for deploying Hadoop on the latest Ubuntu 14.04 box.Hadoop allows for the distribution processing of large data sets across clusters of computers. It uses Map Reduce programming model. It is designed to scale up from single servers to 1000 of machines, each offering local computation and storage. HDFS is the distributed file system that is available with Hadoop.MapReduce tasks use HDFS to read and write data.HDFS deployment includes a single Name Node and multiple Data Nodes.  In this section, we will setup a Name...