basic commands to bring up vagrant machines. Using the vagrant file you can create a chefserver and a sample node
vagrant up chef13
vagrant up linuxnode1
bootstrap node to chefserver
knife bootstrap <ip-address> --ssh-user <vagrant> --sudo --ssh-identity-file <vagrant private key file location> --node-name <node-name> --run-list <runlist>
for self signed certificates use --node-ssl-verify-mode none