kn enables simple interaction with Knative components on OpenShift Online.

You can enable Knative on OpenShift Online by installing OpenShift Serverless. For more information, see the documentation on Getting started with OpenShift Serverless.

OpenShift Serverless cannot be installed using the kn CLI. A cluster administrator must install the OpenShift Serverless Operator and set up the Knative components, as described in the Serverless applications documentation for OpenShift Online.

Key features

kn is designed to make serverless computing tasks simple and concise. Key features of kn include:

  • Deploy serverless applications from the command line.

  • Manage features of Knative Serving, such as services, revisions, and traffic-splitting.

  • Create and manage Knative Eventing components, such as event sources and triggers.

    Knative Eventing is currently available as a Technology Preview feature of OpenShift Serverless.

  • Create sink binding to connect existing Kubernetes applications and Knative services.

  • Extend kn with flexible plugin architecture, similar to kubectl.

  • Configure autoscaling parameters for Knative services.

  • Scripted usage, such as waiting for the results of an operation, or deploying custom rollout and rollback strategies.

Installing kn

For information about installing kn for use with OpenShift Serverless, see the documentation on Installing the Knative CLI (kn).

Next steps