1.3. Getting started


1.3.1. Introduction

See the product architecture at Multicluster architecture. Review the Components topics to learn more about what is installed with Red Hat Advanced Cluster Management for Kubernetes when you accept the license and subscription agreement.

After you learn about the hub cluster and managed cluster architecture, learn about the Supported clouds, which lists the cloud provider cluster options.

The hub cluster is a Red Hat OpenShift cluster version 4.3.x, 4.4, or 4.5 and can run on any supported Red Hat OpenShift Container Platform infrastructure.

The Glossary of terms defines common terms for the product.

If you experience problems, see the Troubleshooting guide to learn about the mustgather command and see documented troubleshooting tasks that might help resolve issues.

1.3.2. Install

  1. Before you install Red Hat Advanced Cluster Management for Kubernetes, review the system configuration requirements and settings at Requirements and recommendations. Get information about required operating systems and supported browsers. For instance, you want to ensure that you have a supported Red Hat OpenShift Container Platform version so that you can set up your hub cluster.
  2. You also need to ensure that your hub cluster has the appropriate capacity. To prepare your hub cluster, see Preparing your hub cluster for installation.
  3. With a supported version of OpenShift Container Platform installed and running on your hub cluster, you can proceed with Installing while connected online.

After installation, review the Web console guide to learn how to access your console and what features are available in the console.

1.3.3. Manage clusters

You are now ready to create and import clusters. From your hub cluster, you can create clusters from other Kubernetes services to manage, and you can view cluster information.

  1. See Creating a cluster with Red Hat Advanced Cluster Management for Kubernetes to learn about the types of managed clusters you can create. When you create a managed cluster, the new managed cluster imports automatically.
  2. If you have a cluster that you want to import manually, you can view Importing a target managed cluster to the hub cluster to learn how to import a managed cluster.
  3. When you no longer need to manage a cluster, you can detach that cluster from the Cluster page.

1.3.4. Manage applications

You can start managing applications on any created and imported managed clusters. The types of resources that you can create are applications, channels, subscriptions, and placement rules.

  1. Learn more about the resources and how to create and manage them at Managing applications. Add or edit your .yaml to create your resources.
  2. View and edit your resources from the Applications Dashboard.

1.3.5. Manage security

You can also manage security and compliance across your created and imported managed clusters.

  1. Create a policy using the policy templates. See the Policy overview for details about how to create a policy with a .yaml template.
  2. From the Policies page, you can view a summary of cluster and policy violations.
  3. View your policies from the Governance and risk page in the console. You can also view policy details from the cluster Overview.
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