Anthos clusters on bare metal runs on Linux. Anthos clusters on bare metal version 1.16.0 and subsequent patch releases support the following Linux distributions and versions. Anthos clusters on bare metal supports only kernels supplied with supported distributions.
Red Hat Enterprise Linux (RHEL)
Anthos clusters on bare metal supports the following minor versions of Red Hat Enterprise Linux (RHEL) 8 until they reach their end of life (EOL). For information about the production phases and life cycle dates for RHEL, see Red Hat Enterprise Linux Life Cycle.
- RHEL 8.8
- RHEL 8.7
- RHEL 8.6
For instructions about how to configure RHEL on your node machines, see Configuring RHEL.
Anthos clusters on bare metal supports the following Long Term Support (LTS) versions of Ubuntu. For each LTS version, Ubuntu maintains multiple kernel packages, but the support lifecycle for individual kernel versions varies. For each Ubuntu LTS version that Anthos clusters on bare metal supports, it supports kernels that fall within an Ubuntu active support window only. To successfully install Anthos clusters on bare metal, you must use a Ubuntu Hardware Enablement (HWE) kernel.
For example, for 20.04 LTS, Ubuntu has ended support for kernel versions 5.8, 5.11, and 5.13. For more information about the Ubuntu kernel support lifecycle, see The Ubuntu lifecycle and release cadence.
- 22.04 LTS
- 20.04 LTS
- 18.04 LTS
For instructions to configure Ubuntu on your node machines, see Configuring Ubuntu.
CentOS (support deprecated)
CentOS Linux 8 reached its end of life (EOL) on December 31st, 2021. We strongly recommend that you migrate to one of the other supported operating systems for Anthos clusters on bare metal. All support for CentOS is removed from the upcoming release of Anthos clusters on bare metal (December 2023) and subsequent releases.