How to use this box with Vagrant:

Vagrant.configure("2") do |config|
  config.vm.box = "becoll/centos_7"
  config.vm.box_version = "2.0"
end

vagrant init becoll/centos_7 \
  --box-version 2.0
vagrant up

This version was created about 1 year ago.

CentOS Linux release7.9.2004 (Core)

Customize:

1 provider for this version.

virtualbox
unknown	Hosted by Vagrant Cloud (818 MB)

becoll/centos_7 Vagrant box