This page describes how to update the admin node image type. This affects the osImageType field in the admin cluster configuration file for Google Distributed Cloud.
You can update the admin node image type with the gkectl update admin command as described here.
Update the admin node image type to COS
In your admin cluster configuration file, set osImageType to cos
For each of your admin clusters, run gkectl update command:
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-12 UTC."],[[["This guide outlines how to modify the `osImageType` field in the admin cluster configuration file for Google Distributed Cloud."],["You can change the admin node image type using the `gkectl update admin` command, as described in this documentation."],["To update to COS, set the `osImageType` field to `cos` in the admin cluster configuration file and execute the `gkectl update admin` command."],["To update to Ubuntu, set the `osImageType` field to `ubuntu_containerd` in the admin cluster configuration file and run the `gkectl update admin` command."]]],[]]
