Skip to main content
Version: main

Cluster Node Requirements

The cluster nodes on which Kubernetes is going to be installed when deploying WKP on the wks-ssh track, have a set of requirements.

Host OS#

wk supports the following host OSes:

  • CentOS 7.4
  • CentOS 7.5
  • CentOS 7.6
  • RHEL 7.4
  • RHEL 7.5
  • RHEL 7.6
  • Ubuntu 18.04
  • Ubuntu 20.04

SSH User#

In addition, hosts need to have:

  • SSH access
  • A user able to login with SSH and with password-less sudo permissions

Network Ports#

Finally, ensure that the following ports are open on the hosts:

  • 6443 (kubernetes api server)
  • 2379-2380 (etcd)
  • 6783-6784 (weave net)
  • 10250 (container logs)
  • 10246 (nginx status)
  • 10254 (health check)
  • 32000-32767 (node ports)