install-jenkins-on-centos.sh

    #update list of repositories
    sudo yum update
    sudo reboot

    #install jdk
    sudo yum install java-1.8.0-openjdk.x86_64

    #set export variables for java
    export JAVA_HOME='/usr/lib/jvm/jre-1.8.0-openjdk'
    export JRE_HOME='/usr/lib/jvm/java-8-openjdk-amd64/jre'

    #install jenkins on rpm based distributions such as centos
    cd ~
    sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat-stable/jenkins.repo
    sudo rpm --import http://pkg.jenkins-ci.org/redhat-stable/jenkins-ci.org.key
    sudo yum install jenkins

    #configures jenkins service to start at run time
    sudo systemctl start jenkins.service
    sudo systemctl enable jenkins.service

    #configures firewall to allow connections on port 8080
    sudo firewall-cmd --zone=public --permanent --add-port=8080/tcp
    sudo firewall-cmd --reload