Setup HOST Infrastructure¶

su -
rmmod kvm-intel
echo 'options kvm-intel nested=y' >> /etc/modprobe.d/dist.conf"
modprobe kvm-intel

cat /sys/module/kvm_intel/parameters/nested
Y

sudo dnf install vagrant vagrant-libvirt

$ vagrant box add centos/7
==> box: Loading metadata for box 'centos/7'
        box: URL: https://atlas.hashicorp.com/centos/7
This box can work with multiple providers! The providers that it
can work with are listed below. Please review the list and choose
the provider you will be working with.

1) libvirt
2) virtualbox

Enter your choice:

vagrant box add fedora/24-cloud-base
vagrant box add ubuntu/trusty64
vagrant box add debian/jessie64

$ mkdir project01
$ cd project01
$ vagrant init centos/7
$ cat Vagrantfile
(result เมื่อลบ comment ออก)
# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure("2") do |config|
  config.vm.box = "centos/7"
end

$ vagrant up --provider libvirt

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

Vagrant.configure("2") do |config|
  config.vm.box = "centos/7"

  config.vm.define :server1 do |node|
  node.vm.hostname = "server1.example.com"
  node.vm.network :private_network, :ip => "20.0.0.10"
  node.vm.provider :libvirt do |domain|
    domain.uri = 'qemu+unix:///system'
    domain.driver = 'kvm'
    domain.memory = 8192
    domain.cpus = 2
    domain.nested = true
    domain.volume_cache = 'none'
    domain.storage :file, :size => '20G'
    domain.storage :file, :size => '20G'
    domain.storage :file, :size => '20G'
  end
  end

  config.vm.define :server2 do |node|
  node.vm.hostname = "server2.example.com"
  node.vm.network :private_network, :ip => "20.0.0.11"
  node.vm.provider :libvirt do |domain|
    domain.uri = 'qemu+unix:///system'
    domain.driver = 'kvm'
    domain.memory = 2048
    domain.cpus = 2
    domain.nested = true
    domain.volume_cache = 'none'
  end
  end

end

vagrant ssh server1
vagrant ssh server2