how to exec a process in a jail while being on the main host?

Peter fbsdq at
Wed Apr 16 18:19:41 UTC 2008

> For example, i have an already runing jail with some JID and i am logged
> in on the main host (which runs the jail).
> How can i run a new process inside the jail with a known JID w/o ssh-ing
> into that jail or doing a lot of strange
> manupulations?
> I am asking, because i have about 20 jails running and each has a
> running special control daemon which
> changes a lot and often. When change occures i need then to enter each
> jail as root, kill the old daemon, start the new one.
> This take a lot of time and is really annoying.


jexec jid /program/to/exec

jexec 1 /bin/sh

> --
> Regards,
> Artem
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