Got CLI for linux-amd64 from the https://github.com/infinispan/infinispan-quarkus/releases/tag/12.1.0.Final Trying to install and operate CLI as kubectl plugin with [dvolodin@localhost infinispan]$ kubectl plugin list The following compatible plugins are available: /u01/git/infinispan/kubectl-infinispan [dvolodin@localhost infinispan]$ kubectl infinispan version CLI: Infinispan 'Taedonggang' 12.1.0.Final [dvolodin@localhost infinispan]$ kubectl infinispan install cli 'install' is not a cli command. See 'cli --help' . Different result with the CLI directly [dvolodin@localhost infinispan]$ ./ispn-cli [disconnected]> kube install ClassCastException: org.infinispan.cli.impl.ContextImpl cannot be cast to org.infinispan.cli.impl.KubernetesContextImpl [disconnected]>