diff --git a/README.md b/README.md
index 1f6c396..39fd0ed 100644
--- a/README.md
+++ b/README.md
@@ -39,9 +39,13 @@ Add the following entry to your `/etc/hosts` file:
 192.168.56.3 nexus.example.com
 ```
 
-Install Vagrant 2.1+.
+Install Vagrant 2.4.6+.
 
-Run `vagrant up --provider=virtualbox # or --provider=libvirt` to launch the environment.
+Launch the environment:
+
+```bash
+time vagrant up --provider=libvirt --no-destroy-on-error --no-tty
+```
 
 Access the [Nexus home page](https://nexus.example.com) and login as the `admin` user and password `admin`.
 
diff --git a/Vagrantfile b/Vagrantfile
index f18e3fb..8335446 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -14,12 +14,6 @@ Vagrant.configure(2) do |config|
     lv.random :model => 'random'
   end
 
-  config.vm.provider :virtualbox do |vb|
-    vb.linked_clone = true
-    vb.cpus = 4
-    vb.memory = 2048
-  end
-
   config.vm.define :nexus do |config|
     config.vm.box = 'ubuntu-22.04-uefi-amd64'
     config.vm.hostname = nexus_domain
@@ -29,9 +23,6 @@ Vagrant.configure(2) do |config|
       lv.machine_virtual_size = 32 # [GiB]
       config.vm.synced_folder '.', '/vagrant', type: 'nfs', nfs_version: '4.2', nfs_udp: false
     end
-    config.vm.provider :virtualbox do |vb, config|
-      vb.memory = 3*1024
-    end
     config.vm.provision :shell, path: 'provision/provision-resize-disk.sh'
     config.vm.provision :shell, path: 'provision/provision-base.sh'
     config.vm.provision :shell, path: 'provision/provision-docker.sh'
@@ -53,10 +44,6 @@ Vagrant.configure(2) do |config|
     config.vm.provider :libvirt do |lv, config|
       config.vm.synced_folder '.', '/vagrant', type: 'smb', smb_username: ENV['USER'], smb_password: ENV['VAGRANT_SMB_PASSWORD']
     end
-    config.vm.provider :virtualbox do |vb, config|
-      vb.customize ['modifyvm', :id, '--vram', 64]
-      vb.customize ['modifyvm', :id, '--clipboard', 'bidirectional']
-    end
     config.vm.provision :shell, inline: "echo '#{nexus_ip} #{nexus_domain}' | Out-File -Encoding Ascii -Append c:/Windows/System32/drivers/etc/hosts"
     config.vm.provision :shell, path: 'provision/windows/ps.ps1', args: ['provision-base.ps1', nexus_domain]
     config.vm.provision :shell, path: 'provision/windows/ps.ps1', args: ['use-chocolatey-repository.ps1', nexus_domain]