VimleshS

Based on these:

https://wiki.jenkins-ci.org/display/JENKINS/Installing+Jenkins+on+Ubuntu
http://www.intridea.com/blog/2013/5/21/howto-install-setup-jenkins-ci-for-rails-projects

Setup an EC2 instance with Ubuntu (14.04)
Open port 8080

Install Jenkins
wget -q -O - http://pkg.jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add -