Download the installer for your operating system or run
oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.ci-2026-05-23-000258Team Approvals:
Tests:
Upgrades from:
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Created: 2026-05-23 00:05:53 +0000 UTC
Image Digest: sha256:1d50480e46190d5ed672dd3966644fe3bb6aa8209a8c70951f9fa20c3d48ab96
The CoreOS links above are for the base CoreOS layer used to build the OpenShift node image and do not contain OpenShift components. This is normally only useful to devs working closely with the CoreOS team. For info about the node image, see the Node Image Info section.
sha256:12cf1cc571a29eb6feb5ace05519fe99e77a3ad20e62cd408c67f3c5e8e131c5sha256:084ca9aab8ebcb57192b6a4fdeb7d4f26a2d3cc6d4f9b8cc2478e1c83953b352sha256:d5a5b77725a0dd15559629b8624826ae8ce7883454de9c4f78e89831c75e88b7sha256:560d2f74b67635fd4ee97a9e4a55a5ad6503b4df5ff7f23cf29524bbd1c6df78Loading node image info, this may take a while ...
rhel-coreos)Full list (569 packages)
Full list (162 packages)
rhel-coreos-10)Full list (489 packages)
Full list (207 packages)
Red Hat Enterprise Linux CoreOS base layer: 10.2.20260521-0
Source code for this page located on github