1. Login to your Amazon Linux instance.
2. Become root using ‘sudo su -‘ command.
3. Update your repositories
#yum update
4. Get Jenkins repository
#wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat-stable/jenkins.repo
5. Get Jenkins repository key
#rpm --import http://pkg.jenkins-ci.org/redhat-stable/jenkins-ci.org.key
6. Install Jenkins package
#yum install jenkins
7. Start Jenkins
#service jenkins start
8. Start automatically at system startup
#chkconfig jenkins on
9. Open browser and navigate to http://<Elastic-IP>:8080/. You will see Jenkins Dashboard.