From owner-freebsd-questions@freebsd.org Sun Dec 13 18:16:18 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 813854BFAA6 for ; Sun, 13 Dec 2020 18:16:18 +0000 (UTC) (envelope-from jamie@gritton.org) Received: from gritton.org (gritton.org [199.192.165.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4CvCQB2PfHz4jDx; Sun, 13 Dec 2020 18:16:18 +0000 (UTC) (envelope-from jamie@gritton.org) Received: from gritton.org ([127.0.0.131]) (authenticated bits=0) by gritton.org (8.15.2/8.15.2) with ESMTPA id 0BDIGBQM063267; Sun, 13 Dec 2020 10:16:11 -0800 (PST) (envelope-from jamie@gritton.org) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Sun, 13 Dec 2020 10:16:11 -0800 From: James Gritton To: freebsd-questions@freebsd.org Cc: Kyle Evans , mj-mailinglist@gmx.de Subject: Re: Questions about the output of jls In-Reply-To: References: User-Agent: Roundcube Webmail/1.4.1 Message-ID: <72165e2885787561bd7fc7384c7b03b8@gritton.org> X-Sender: jamie@gritton.org X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.2 (gritton.org [127.0.0.131]); Sun, 13 Dec 2020 11:16:11 -0700 (MST) X-Rspamd-Queue-Id: 4CvCQB2PfHz4jDx X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Dec 2020 18:16:18 -0000 On 2020-12-13 08:16, Kyle Evans wrote: > On Sun, Dec 13, 2020 at 10:04 AM wrote: >> >> Hi, >> >> I habe a current system, where i have current and 12.2-STABLE jails. >> Checking with jls, i get this output: >> >> root@fbsd13:~ # jls -h jid name ip4.addr host.hostname vnet osrelease >> path | column -t >> jid name ip4.addr host.hostname vnet osrelease path >> 8 j0 192.168.0.10 j0.local 2 13.0-CURRENT /jails/j0 >> 10 j1 - j1.local 1 13.0-CURRENT /jails/j1 >> 12 j2 - j2.local 1 13.0-CURRENT /jails/j2 >> >> the jails are running this versions: >> >> root@fbsd13:~ # jexec -l j0 freebsd-version -u >> 12.2-STABLE >> root@fbsd13:~ # jexec -l j1 freebsd-version -u >> 13.0-CURRENT >> root@fbsd13:~ # jexec -l j2 freebsd-version -u >> 12.2-STABLE >> >> >> What is "osrelease"? Looking at the name, i would have guessed, it is >> the >> version of the freebsd userland, running in the jail. But it does't >> seem so. >> j1 and j2 are VNET jails, so it seems the 1 in the vnet column >> signifies this, >> j0 is a "standard" jail using the hosts network stack, so the 2 stands >> for standard? >> > > Hi, > > osrelease is what the jail sees as kern.osrelease and uname -r (see: > jail(8)) (i.e. kernel version); it's either specified during jail > creation or inherited from the parent prison if none is specified. > > It looks like it's exporting a jailsys int for vnet, so these > correspond to: > > JAIL_SYS_DISABLE=0 > JAIL_SYS_NEW=1 > JAIL_SYS_INHERIT=2 > > So 2 is 'use parent vnet', 1 is 'new one created' -- I don't see this > described in either jls(1) or jail(8), it'd probably be nice if we > translated jailsys ints into "new"/"inherit" since one specifies > "new"/"inherit" for them during creation. True, that would be more human-readable. For that matter, I could report booleans (such as allow.whatever) as "true" or "false" as well. In both cases, the strings pass back to jail(8) OK, but I wonder if there are any scripts out there that actually use those values in their numeric form. - Jamie