# Ubuntu Prerequisites

This document describes Ubuntu specific pre-requisites for an on-premise Kubernetes cluster built using PMK.

## Operating System Install

To prepare a physical or virtual node to be part of a BareOS Kubernetes cluster:

* Install the [latest supported](https://docs.platform9.com/managed-kubernetes/support/support/managed-kubernetes-support-matrix) version of Ubuntu.
* Update all packages to receive the latest security and bug fixes.