Create hostname in Vagrantfile that's shown in VBox gui, vagrant stdout and logs, and guest hostname

vagrantfile_set_hostname

hostname = "vg-guest1"

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

  # configure guest hostname
  config.vm.hostname = hostname
  
  # configure vm name used in vagrant stdout and logs etc.
  config.vm.define hostname do |hostname|
  end

  config.vm.provider "virtualbox" do |v|
    # set vbox gui name
    v.name = hostname 
    # v.memory = 1024
    # v.cpus = 2
  end

end