Stateless Linux от RedHat

Stateless Linux
Stateless Linux is a new way of thinking about how a system should be run and managed, designed to simplify provisioning and management of large numbers of systems by making them easily replaceable. This is accomplished primarily by establishing prepared system images which get replicated and managed across a large number of stateless systems, running the operating system in a read-only manner (refer to /etc/sysconfig/readonly-root for more details).
In its current state of development, the Stateless features are subsets of the intended goals. As such, the capability remains as Technology Preview.
Red Hat recommends that those interested in testing stateless code read the HOWTO at http://fedoraproject.org/wiki/StatelessLinux/HOWTO and join stateless-list@redhat.com.
The enabling infrastructure pieces for Stateless Linux were originally introduced in Red Hat Enterprise Linux 5.