install jenkins on ec2

commands.sh

# install java 8, uninstall java 7
sudo yum install java-1.8.0
sudo yum remove java-1.7.0-openjdk

# make java 8 default
sudo /usr/sbin/alternatives --config java
sudo /usr/sbin/alternatives --config javac

# install maven
sudo wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo
sudo sed -i s/\$releasever/6/g /etc/yum.repos.d/epel-apache-maven.repo
sudo yum install -y apache-maven

# install git
sudo yum install git

# install jenkins
sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo
sudo rpm --import https://pkg.jenkins.io/redhat/jenkins.io.key
sudo yum install jenkins

# start jenkins service
sudo service jenkins start