Hi All,
Right now, we can bootstrap one single machine with Knife bootstrap command. If i have one thousand [1000] machine, How can i bootstrap the node and apply particular cookbook?
You should use unattend install https://docs.chef.io/install_bootstrap.html#unattended-installs.
http://www.kickflop.net/blog/2013/03/13/bootstrapping-new-chef-nodes-without-knife-bootstrap/
to delete validation key use chef-client::delete_validation recipe from chef-client cookbook https://github.com/chef-cookbooks/chef-client