This page describes the node operating system (node OS) image that runs on Anthos clusters on VMware (GKE on-prem) cluster nodes.
Anthos clusters on VMware cluster nodes run Ubuntu version 18.04 (bionic). The image is very similar to Google Kubernetes Engine's Ubuntu node image.
New Anthos clusters on VMware versions sometimes introduce a new Kubernetes version for clusters. Version changes are announced in Release notes. To learn which Kubernetes version your cluster runs, see Versions.
- Anthos clusters on VMware's node OS has the following tools preinstalled:
- Anthos clusters on VMware's node OS has the
debug-toolboxcontainer image preinstalled.
debug-toolboxincludes several packages for debugging node issues. You run an accompanying shell script,
toolbox, to unpack and run the
debug-toolboxcontainer. Learn about the
As of Anthos clusters on VMware version 1.1.0-gke.6, the node OS' default networking configuration is disabled to support static IP allocation.
See node security.