RHCOS 10 - Red Hat’s new worker node OS for OpenShift

ContextRed Hat OpenShift uses a purpose-built, immutable operating system for cluster nodes, commonly known as Red Hat Enterprise Linux CoreOS (RHCOS). This operating system, which uses the same kernel and hardware compatibility from Red Hat Enterprise Linux (RHEL), ships with a minimal-footprint operating environment, with its configuration entirely orchestrated by OpenShift and Kubernetes-based APIs.Starting in Q4 2026, OpenShift will ship the newest iteration of this operating system, RHCOS 10, by default for new installations, and all certified ISV containers and operators are expected to