Chapter 6. Installing Red Hat OpenShift 3.11 on IBM PowerVC 107
    --enable="rhel-7-for-power-9-optional-rpms" \
    --enable="rhel-7-server-ansible-2.6-for-power-9-rpms" \
    --enable="rhel-7-server-for-power-9-rhscl-rpms" \
    --enable="rhel-7-for-power-9-ose-3.11-rpms"
Example 6-3   OpenShift repositories for POWER8 servers
# subscription-manager repos --disable="*"
# subscription-manager repos \
    --enable="rhel-7-for-power-le-rpms" \
    --enable="rhel-7-for-power-le-extras-rpms" \
    --enable="rhel-7-for-power-le-optional-rpms" \
    --enable="rhel-7-server-ansible-2.6-for-power-le-rpms" \
    --enable="rhel-7-server-for-power-le-rhscl-rpms" \
    --enable="rhel-7-for-power-le-ose-3.11-rpms"
2. Install OpenShift-Ansible:
3. Install Terraform.
4. Complete the following next steps to compile Terraform and the plug-ins needed for 
PowerVC:
a. Install git, tftp, gcc, zip:
yum clean all
yum -y update --security --exclude=cloud-init\*
yum -y install atomic-openshift-clients openshift-ansible
cp /usr/share/ansible/openshift-ansible/ansible.cfg /etc/ansible/ansible.cfg
Important: At the time this writing, Terraform is not available to download for the ppc64le 
platform. This section compiles it from the source code. You can check its availability at this 
web page.
yum install -y git gcc tftp zip