{
  "myvps": {
    "host": "1.2.3.4",
    "port": 22,
    "username": "root",
    "client_keys": ["~/.ssh/id_rsa"],
    "known_hosts": null
  },
  "staging": {
    "host": "staging.example.com",
    "username": "ubuntu",
    "known_hosts": "none"
  }
}