Customize RHEL CoreOS at scale: On-cluster image mode in OpenShift

199 · Red Hat · Sept. 23, 2025, 7:09 a.m.
Summary
This blog post introduces the new image mode for customizing Red Hat Enterprise Linux CoreOS on OpenShift, allowing users to define OS configurations as code and deploy custom images consistently across clusters. It highlights the improvements in deployment, maintenance, and customization of RHEL CoreOS at scale without compromising reliability. Additionally, it touches on future enhancements such as pipeline integrations for DevSecOps.