This page describes the node operating system (node OS) image that runs on GKE On-Prem cluster nodes.
GKE On-Prem cluster nodes run Ubuntu version 18.04 (bionic). The image is very similar to Google Kubernetes Engine's Ubuntu node image.
GKE On-Prem's node OS currently runs Kubernetes version
1.13.7-gke.20 by default. New GKE On-Prem versions sometimes
introduce new node OS patches (
Z-gke.N). Version changes are announced in
- GKE On-Prem's node OS has the following tools preinstalled:
- GKE On-Prem'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 GKE On-Prem version 1.1.0-gke.6, the node OS' default networking configuration is disabled to support static IP allocation.
See node security.