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Just enough operating system (JeOS, pronounced "juice" according toSUSE) is a paradigm for customizingoperating systems to fit the needs of a particular application such as for asoftware appliance. The platform only includes the operating system components required to support a particular application and any other third-party components contained in the appliance (e.g., thekernel). This makes the appliance smaller, faster (to boot and to execute the particular application) and potentially more secure than an application running under a full general-purpose OS.
Typically, a JeOS will consist of the following:
It is important to differentiate between true fullyminimalized OS install profiles forced, for example, with security hardening tools or representing Recovery Console images andJeOS richer install profiles which are designed and built for wider audience usage, soVM/VA creators and their users can easily perform needed installation or configuration tasks.
