From owner-freebsd-current@FreeBSD.ORG Mon Oct 14 17:00:17 2013 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 42ABF67E; Mon, 14 Oct 2013 17:00:17 +0000 (UTC) (envelope-from ian@FreeBSD.org) Received: from mho-01-ewr.mailhop.org (mho-03-ewr.mailhop.org [204.13.248.66]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 182522740; Mon, 14 Oct 2013 17:00:16 +0000 (UTC) Received: from c-24-8-230-52.hsd1.co.comcast.net ([24.8.230.52] helo=damnhippie.dyndns.org) by mho-01-ewr.mailhop.org with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1VVlV4-000MmG-Fm; Mon, 14 Oct 2013 17:00:10 +0000 Received: from [172.22.42.240] (revolution.hippie.lan [172.22.42.240]) by damnhippie.dyndns.org (8.14.3/8.14.3) with ESMTP id r9EH07FS025748; Mon, 14 Oct 2013 11:00:07 -0600 (MDT) (envelope-from ian@FreeBSD.org) X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 24.8.230.52 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX18qFMUf7Hs80LW2GBYfnaWJ Subject: Re: RFC: support for "first boot" rc.d scripts From: Ian Lepore To: Colin Percival In-Reply-To: <525C210A.2000306@freebsd.org> References: <525B258F.3030403@freebsd.org> <41F1219E-4DCC-4B04-A1DC-40038809556B@van-laarhoven.org> <525C210A.2000306@freebsd.org> Content-Type: text/plain; charset="us-ascii" Date: Mon, 14 Oct 2013 11:00:07 -0600 Message-ID: <1381770007.42859.82.camel@revolution.hippie.lan> Mime-Version: 1.0 X-Mailer: Evolution 2.32.1 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Cc: FreeBSD current , freebsd-rc@FreeBSD.org, Nick Hibma X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Oct 2013 17:00:17 -0000 On Mon, 2013-10-14 at 09:51 -0700, Colin Percival wrote: > Hi Nick, > > On 10/14/13 00:59, Nick Hibma wrote: > > Sounds useful: We have nanobsd images that configure a hard disk if present, but obviously only need to be run once. > > > > However: NanoBSD stores uses a memory disk for /etc and stores it's permanent scripts in /conf/* (/etc/rc.initdiskless) and/or /cfg (NanoBSD) so I doubt whether the 'embedded systems' argument is of much use, as deleting the script or flagging 'firstboot' is non-permanent. > > Yes, it's hard to store state on diskless systems... but I figured > that anyone building a diskless system would know to not create a > "run firstboot scripts" marker. And not all embedded systems are > diskless... > The embedded systems we create at $work have readonly root and mfs /var, but we do have writable storage on another filesystem. It would work for us (not that we need this feature right now) if there were an rcvar that pointed to the marker file. Of course to make it work, something would have to get the alternate filesystem mounted early enough to be useful (that is something we do already with a custom rc script). Note that I'm not asking for any changes here, just babbling. -- Ian