new jail utility is available. announcement.

Jerry freebsd.user at
Tue Jul 20 17:42:12 UTC 2010

On Tue, 20 Jul 2010 12:29:56 +0800
Aiza <aiza21 at> articulated:

> This is a news announcement to inform people who have interest in jails,
> that a new jail utility is available.
> Has a file suitable for the pkg_add command or the port make files can 
> be downloaded and a "make install" run.
> Qjail [ q = quick ] is a 4th generation wrapper for the basic chroot 
> jail system that includes security and performance enhancements. Plus a 
> new level of "user friendliness" enhancements dealing with deploying 
> just a few jails or large jail environments consisting of 100's of 
> jails. Qjail requires no knowledge of the jail command usage.
> It uses "nullfs" for read-only system binaries, sharing one copy of
> them with all the jails.
> Uses "mdconfig" to create sparse image jails. Sparse image jails
> provide a method to limit the total disk space a jail can consume,
> while only occupying disk space of the sum size of the files in
> the image jail.
> Ability to assign ip address with their network device name,
> so aliases are auto created on jail start and auto removed on jail stop.
> Ability to create "ZONE"s of identical qjail systems, each with
> their own group of jails.
> Ability to designate a portion of the jail name as a group prefix so
> the command being executed will apply to only those jail names
> matching that prefix.
> Qjail reduces the complexities of small and large jail deployments to 
> the novice level. Qjail has a fully documented manpage written for easy 
> comprehension. Details are given to felicitate the use of qjail's
> capabilities to the fullest extent possible.

There presently does not exist a port for this, or at least I could not
find one. Is someone going to create a port?

Jerry ✌
FreeBSD.user at

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