Tuesday, December 14, 2010

FreeBSD jail

FreeBSD jail

The FreeBSD jail mechanism is an implementation of operating system-level virtualization that allows administrators to partition a FreeBSD-based computer system into several independent mini-systems called jails.

The need for the FreeBSD jails came from service providers' desire to establish a clean, clear-cut separation between their services and their customers, mainly for security and ease of administration. Instead of adding a new layer of fine-grained configuration options, the solution adopted was to compartmentalize the system, both its files and its resources, in such a way that only the right person(s) are allowed access to the right compartment(s).


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