Preparing a client to connect to the cluster

A Red Hat OpenShift Kubernetes Service (ROKS) cluster, a Red Hat OpenShift Kubernetes Service on AWS (ROSA) cluster, an Azure Red Hat OpenShift (ARO) cluster, and a private Red Hat OpenShift cluster have different requirements.

• Client-side requirements
• What else is needed before you run the installation scripts

Client-side requirements

Table 1. Client-side requirements step by step

Requirement	More information
(For OCP deployments) OCP CLI	For more information, see the OpenShift documentation and the download link . Download the latest version for your OCP cluster. The CLI has commands for managing your applications, and lower-level tools to interact with each component of your system. Place the oc binary in a directory that is on your PATH. To check your PATH, run the following command. echo $PATH When the CLI is in your PATH, it is available by running the oc command.
(For CNCF deployments) Kubernetes 1.16+ CLI	For more information, see https://kubernetes.io/docs/tasks/tools/install-kubectl/ . You must use a kubectl version that is within one minor version difference of your cluster. Using the latest version of kubectl helps avoid unforeseen issues. Download the latest release with the command: export KUBECTL_VERSION=curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt curl -LO "https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl" To check the version, run the following command. kubectl version --client
Helm CLI	For more information about Helm CLI version 3.x, see Installing Helm .

What else is needed before you run the installation scripts

Table 2. Script requirements

Requirement	More information
Python	Python 3.10 and above. For more information, see Download Python
Java™ version (CCx prerequisites script only)	Java™ Semeru 17. For download information, see Semeru Runtimes getting started . Note: Only the Content Cortex prerequisites script requires Java™.
Skopeo CLI	For more information about skopeo CLI version 1.x, see Installing skopeo from packages .