$ vim okd4/install-config.yaml
apiVersion: v1
baseDomain: example.com
compute:
- hyperthreading: Enabled
  name: worker
  replicas: 0
controlPlane:
  hyperthreading: Enabled
  name: master
  replicas: 1
metadata:
  name: okd4
networking:
  clusterNetwork:
  - cidr: 10.128.0.0/14
    hostPrefix: 23
  networkType: OpenShiftSDN
  serviceNetwork:
  - 172.30.0.0/16
platform:
  none: {}
pullSecret: ''{"auths":{"clo...":{"auth":"b3Bl...}}}' # https://console.redhat.com/openshift/install/pull-secret
sshKey: 'ssh-rsa AAAAB3...' # cat ~/.ssh/id_rsa.pub