Chapter 2. Getting started with the OpenShift CLI

Procedure

1. Navigate to the Download OpenShift Container Platform page on the Red Hat Customer Portal.
2. Select the architecture from the Product Variant list.
3. Select the appropriate version from the Version list.
4. Click Download Now next to the OpenShift v4.21 Linux Clients entry and save the file.

5. Unpack the archive:

   $ tar xvf <file>

6. Place the oc binary in a directory that is on your PATH.

   To check your PATH, execute the following command:

   $ echo $PATH

Procedure

1. Navigate to the Download OpenShift Container Platform page on the Red Hat Customer Portal.
2. Select the appropriate version from the Version list.
3. Click Download Now next to the OpenShift v4.21 Windows Client entry and save the file.
4. Extract the archive with a ZIP program.

5. Move the oc binary to a directory that is on your PATH variable.

   To check your PATH variable, open the command prompt and execute the following command:

   C:\> path

Procedure

1. Navigate to the Download OpenShift Container Platform on the Red Hat Customer Portal.
2. Select the appropriate version from the Version drop-down list.
3. Click Download Now next to the OpenShift v4.21 macOS Clients entry and save the file.
4. Unpack and unzip the archive.

5. Move the oc binary to a directory on your PATH variable.

   To check your PATH variable, open a terminal and execute the following command:

   $ echo $PATH

Procedure

1. Register with Red Hat Subscription Manager:

   # subscription-manager register

2. Pull the latest subscription data:

   # subscription-manager refresh

3. List the available subscriptions:

   # subscription-manager list --available --matches '*OpenShift*'

4. In the output for the previous command, find the pool ID for an Red Hat build of MicroShift subscription and attach the subscription to the registered system:

   # subscription-manager attach --pool=<pool_id>

5. Enable the repositories required by Red Hat build of MicroShift 4.21.

   # subscription-manager repos --enable="rhocp-4.21-for-rhel-8-x86_64-rpms"

6. Install the openshift-clients package:

   # yum install openshift-clients