docs.okd.io/latest/welcome/index.html
Environment: ubuntu 20.04.2 LTS + Parallels 16 on mac os
$ su -
$ mkdir okd_install; cd okd_install
$ wget mirror.openshift.com/pub/openshift-v4/clients/oc/latest/linux/oc.tar.gz
$ tar -zxvf oc.tar.gz
$ echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
$ mv oc /usr/local/sbin/
$ mv kubectl /usr/local/sbin/
$ cp --help
Usage: cp [OPTION]... [-T] SOURCE DEST
or: cp [OPTION]... SOURCE... DIRECTORY
or: cp [OPTION]... -t DIRECTORY SOURCE...
Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.
$ kubectl --help
Basic Commands (Beginner):
create Create a resource from a file or from stdin.
expose Take a replication controller, service, deployment or pod and expose it as a new Kubernetes Service
run Run a particular image on the cluster
set Set specific features on objects
$ cd ~/okd_install
$ cat > install-config.yaml