this vagrant file create two servers one is centos and another ubuntu with 1Gb memory

Vagrantfile

# Linux for DevOps Lab Setup
$setup_lab = <<SCRIPT

# Enable root login in ssh configuration

sed -i "s/^PermitRootLogin no/PermitRootLogin yes/g" /etc/ssh/sshd_config
sed -i "s/^PasswordAuthentication no/PasswordAuthentication yes/g" /etc/ssh/sshd_config
systemctl restart sshd
SCRIPT

Vagrant.configure("2") do |config|
  config.vm.define "centos" do |subconfig|
    subconfig.vm.box = "boxomatic/centos-stream-9"
        subconfig.vm.hostname = "centos"
        subconfig.vm.network "private_network", ip: "192.168.2.10"
    subconfig.vm.provision "shell", inline:$setup_lab

        subconfig.vm.provider "virtualbox" do |vb|
                vb.memory = "1024"
        end
  end

 config.vm.define "ubuntu" do |subconfig|
    subconfig.vm.box = "ubuntu/jammy64"
        subconfig.vm.hostname = "ubuntu"
        subconfig.vm.network "private_network", ip: "192.168.2.20"
        subconfig.vm.provision "shell", inline:$setup_lab

        subconfig.vm.provider "virtualbox" do |vb|
                vb.memory = "1024"
        end
  end
end