generic/centos6 Vagrant box

How to use this box with Vagrant: 

Vagrant.configure("2") do |config|
  config.vm.box = "generic/centos6"
  config.vm.box_version = "1.2.20"
end
vagrant init generic/centos6 \
  --box-version 1.2.20
vagrant up

v1.2.20

This version was created over 6 years ago.

A build environment for use in cross platform development.

4 providers for this version.
  • hyperv
    unknown Hosted by Vagrant Cloud (408 MB)
  • libvirt
    unknown Hosted by Vagrant Cloud (454 MB)
  • virtualbox
    unknown Hosted by Vagrant Cloud (449 MB)
  • vmware_desktop
    unknown Hosted by Vagrant Cloud (416 MB)