ezjail
Link
https://erdgeist.org/arts/software/ezjail/
This project has not been updated since 2015-11-23.
Alternatives
Excerpt
A Jail in FreeBSD-speak is one or more tasks with the same kernel Jail-ID, bound on zero or more IP addresses, having the same chroot-environment. One usecase of the FreeBSD Jail Subsystem is to provide virtual FreeBSD-systems within a Host-system. ezjail is about making this as easy as possible, aiming for minimum system resource usage.
FAQ
How to set up a new jail
On host:
sudo ezjail-admin create NAME 'lo1|IP' sudo ezjail-admin start NAME sudo ezjail-admin console NAME
In jail:
pkg pkg2ng pkg install -y nano portmaster rsync sudo # (Optionally) pkg install -y mc