Vagrant : Ubuntu 20.04 / Hyper-V

Vagrantfile

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

# All Vagrant configuration is done below. The "2" in Vagrant.configure
# configures the configuration version (we support older styles for
# backwards compatibility). Please don't change it unless you know what
# you're doing.
Vagrant.configure("2") do |config|
  # The most common configuration options are documented and commented below.
  # For a complete reference, please see the online documentation at
  # https://docs.vagrantup.com.

  # Every Vagrant development environment requires a box. You can search for
  # boxes at https://vagrantcloud.com/search.
  #config.vm.box = "base"
  #config.vm.box = "generic/debian10"
  #config.vm.box = "hashicorp/bionic64"
  config.vm.box = "generic/ubuntu2004"

  # Disable automatic box update checking. If you disable this, then
  # boxes will only be checked for updates when the user runs
  # `vagrant box outdated`. This is not recommended.
  # config.vm.box_check_update = false

  # Create a forwarded port mapping which allows access to a specific port
  # within the machine from a port on the host machine. In the example below,
  # accessing "localhost:8080" will access port 80 on the guest machine.
  # NOTE: This will enable public access to the opened port
  # config.vm.network "forwarded_port", guest: 80, host: 8080

  # Create a forwarded port mapping which allows access to a specific port
  # within the machine from a port on the host machine and only allow access
  # via 127.0.0.1 to disable public access
  # config.vm.network "forwarded_port", guest: 80, host: 8080, host_ip: "127.0.0.1"

  # Create a private network, which allows host-only access to the machine
  # using a specific IP.
  # config.vm.network "private_network", ip: "192.168.33.10"

  # Create a public network, which generally matched to bridged network.
  # Bridged networks make the machine appear as another physical device on
  # your network.
  # config.vm.network "public_network"

  # Share an additional folder to the guest VM. The first argument is
  # the path on the host to the actual folder. The second argument is
  # the path on the guest to mount the folder. And the optional third
  # argument is a set of non-required options.
  # config.vm.synced_folder "../data", "/vagrant_data"
  config.vm.synced_folder "../data-test", "/vagrant_data"

  # Provider-specific configuration so you can fine-tune various
  # backing providers for Vagrant. These expose provider-specific options.
  # Example for VirtualBox:
  #
  # View the documentation for the provider you are using for more
  # information on available options.
  # https://www.vagrantup.com/docs/providers/hyperv
  config.vm.provider "hyperv" do |hv|
    hv.cpus = "2"
    hv.memory = "2048"
    hv.enable_enhanced_session_mode = true
  end

  # https://www.vagrantup.com/docs/providers/virtualbox
  config.vm.provider "virtualbox" do |vb|
    vb.cpus = "2"
    vb.memory = "2048"
  end

  # Enable provisioning with a shell script. Additional provisioners such as
  # Ansible, Chef, Docker, Puppet and Salt are also available. Please see the
  # documentation for more information about their specific syntax and use.
  config.vm.provision "shell", inline: <<-SHELL
    add-apt-repository ppa:git-core/ppa -y
    apt-get update
    apt-get install -y git git-svn svn2git
  SHELL
end

Note : this Vagrant box with VirtualBox creates a default virtual disk with a size of 128 GB (VMDK type)... It can cause problems.
See how to control it :

• https://www.vagrantup.com/docs/disks/usage
• https://www.vagrantup.com/docs/disks/virtualbox
• https://www.vagrantup.com/docs/disks/virtualbox/common-issues#resizing-vmdk-format-disks
• https://www.vagrantup.com/docs/boxes/base#disk-space
• https://stackoverflow.com/questions/49822594/vagrant-how-to-specify-the-disk-size
• https://tuhrig.de/resizing-vagrant-box-disk-space/