If you use Vagrantfile below, your Jenkins server will be up and running in Ubuntu 14.04 environment. It will also be accessible via http://192.168.10.11:8080/ from the host OS.

Vagrantfile

## -*- mode: ruby -*-
## vi: set ft=ruby :

Vagrant.configure("2") do |config|
    config.vm.box = "ubuntu/trusty64"

    config.vm.define :jenkins do |jenkins_config|
        jenkins_config.vm.hostname = 'jenkins'
        jenkins_config.vm.network "private_network", ip: "192.168.10.11"
    end

    config.vm.provider :virtualbox do |virtualbox_config|
        virtualbox_config.name = "Jenkins - Ubuntu 14.04"
    end

    config.vm.provision :shell, path: "bootstrap.sh"

    config.vm.synced_folder "", "/var/www/html", nfs: true, mount_options: ["actimeo=2"]
end

#jenkins #vagrant