syntax

knife ec2 server create -x ec2-user -I ami-9be6f38c -S devopstest -i C:\chef\chef-repo\.chef\devopstest.pem -N t
estapache -r 'recipe[apache]' -g sg-f43ed288 --subnet subnet-8793d6df --server-connect-attribute public_ip_address .\devopstest.pem -f t2.micro

==============

knife ssh 'name:testapache' 'sudo chef-client' --ssh-user ec2-user --identity-file C:\chef\chef-repo\.chef\devopstest.pem --attribute cloud.public_hostname

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vagrant init ubuntu/trusty64

======================:

https://atlas.hashicorp.com/boxes/search
config.vm.boot_timeout = 300

config.vm.provider :virtualbox do |vb|
  vb.gui = true
end

Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/trusty64"
  config.vm.box_url = "https://atlas.hashicorp.com/ubuntu/trusty64"

  config.omnibus.chef_version = :latest
  config.vm.provision :chef_client do |chef|
    chef.provisioning_path = "/etc/chef"
    chef.chef_server_url = "https://api.opscode.com/organizations/d1"
    chef.validation_key_path = "C:/chef/chef-repo/.chef/d1-validator.pem"
    chef.validation_client_name = "d1-validator"
    chef.node_name = "servervagrant"
  end
  config.vm.provider :virtualbox do |vb|
    vb.gui = false
  end
end
=================

vagrant plugin install vagrant-omnibus