Operating Systems

Support matrix

Cloud provider

Ubuntu Flatcar RHEL Amazon Linux 2 Rocky Linux
AWS
Azure x
DigitalOcean x x x
Equinix Metal x x
Google Cloud Platform x x x
Hetzner Cloud x x x
KubeVirt x
Nutanix x x x x
OpenStack x
VMware Cloud Director x x x x
vSphere x

Configuring a operating system

The operating system to use can be set via machine.spec.providerConfig.operatingSystem. Allowed values:

  • amzn2
  • flatcar
  • rhel
  • rockylinux
  • ubuntu

OS specific settings can be set via machine.spec.providerConfig.operatingSystemSpec.

Supported OS versions

Note that the table below lists the OS versions that we are validating in our automated tests. Machine controller may work with other OS versions that are not listed in the table but support won’t be provided.

Versions
AmazonLinux2 2.x
RHEL 8.x
Rocky Linux 8.5
Ubuntu 20.04 LTS, 22.04 LTS, 24.04 LTS

Provisioning

Every node gets bootstrapped via cloud-init.