From owner-freebsd-current@FreeBSD.ORG  Fri Jun  6 15:07:51 2008
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@FreeBSD.ORG
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 45741106564A
	for <freebsd-current@FreeBSD.ORG>; Fri,  6 Jun 2008 15:07:51 +0000 (UTC)
	(envelope-from bp@barryp.org)
Received: from itasca.hexavalent.net (itasca.hexavalent.net [67.207.138.180])
	by mx1.freebsd.org (Postfix) with ESMTP id 371AF8FC16
	for <freebsd-current@FreeBSD.ORG>; Fri,  6 Jun 2008 15:07:51 +0000 (UTC)
	(envelope-from bp@barryp.org)
Received: from host-42-60-230-24.midco.net ([24.230.60.42]
	helo=eden.barryp.org) by itasca.hexavalent.net with esmtps
	(TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.67)
	(envelope-from <bp@barryp.org>) id 1K4cx7-0004tM-0V
	for freebsd-current@FreeBSD.ORG; Fri, 06 Jun 2008 09:30:01 -0500
Received: from octane.med.und.nodak.edu ([134.129.166.23])
	by eden.barryp.org with esmtpsa (TLSv1:AES256-SHA:256)
	(Exim 4.67 (FreeBSD)) (envelope-from <bp@barryp.org>)
	id 1K4cx0-0008h8-Vy; Fri, 06 Jun 2008 09:29:55 -0500
Message-ID: <484949E2.8080208@barryp.org>
Date: Fri, 06 Jun 2008 09:29:54 -0500
From: Barry Pederson <bp@barryp.org>
User-Agent: Thunderbird 2.0.0.14 (Macintosh/20080421)
MIME-Version: 1.0
To: freebsd-current@FreeBSD.ORG, mike@reifenberger.com
References: <200806060742.m567g8hn087608@lurza.secnetix.de>
In-Reply-To: <200806060742.m567g8hn087608@lurza.secnetix.de>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: 
Subject: Re: active/inactive jails
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 06 Jun 2008 15:07:51 -0000

Oliver Fromme wrote:
> Michael Reifenberger wrote:

>  > Is there an convinient way to get the processes associatet with
>  > an jail.
> 
> ps(1) can display the jail numbers:  "ps -o jid,command"
> (JID 0 means the host system).  You can easily filter the
> output by jail ID.  If you don't know the jail ID, use
> jls(8) to find the jail by hostname, IP number or chroot
> path (which only works if you keep them unique, of course).
> 
> I once wrote a script called "jps" that makes it a little
> easier.  "jps" lists all jailed processes with their JID,
> and "jps <JID>" lists only the processes that belong to
> the specified JID.
> 
> http://www.secnetix.de/olli/scripts/jps

I think pgrep(1) is what you're looking for here.  Once you find the 
jail ID with jls(8), you can run

    pgrep -lf -j <jail_id>

to get a list if processes for that particular jail.

	Barry