From owner-freebsd-questions@FreeBSD.ORG Wed Mar 2 18:07:39 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0A44F106566B for ; Wed, 2 Mar 2011 18:07:39 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: from mail1.sea5.speakeasy.net (mail1.sea5.speakeasy.net [69.17.117.39]) by mx1.freebsd.org (Postfix) with ESMTP id D6FE18FC0C for ; Wed, 2 Mar 2011 18:07:38 +0000 (UTC) Received: (qmail 23439 invoked from network); 2 Mar 2011 18:07:38 -0000 Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org) ([66.92.78.145]) (envelope-sender ) by mail1.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 2 Mar 2011 18:07:38 -0000 Received: by be-well.ilk.org (Postfix, from userid 1147) id 6F22B50829; Wed, 2 Mar 2011 13:07:36 -0500 (EST) From: Lowell Gilbert To: freebsd-questions@freebsd.org References: <4D6E6B16.7010508@my.gd> <4D6E6E51.8030708@my.gd> Date: Wed, 02 Mar 2011 13:07:36 -0500 In-Reply-To: <4D6E6E51.8030708@my.gd> (Damien Fleuriot's message of "Wed, 02 Mar 2011 17:20:33 +0100") Message-ID: <4439n5bdlj.fsf@be-well.ilk.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: Re: Finish upgrading remote server without physically being there? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Mar 2011 18:07:39 -0000 Damien Fleuriot writes: > On 3/2/11 5:15 PM, Ed Flecko wrote: >> Thanks Damien. >> >> :-) >> >> Two questions - >> >> 1.) If rebooting into single user mode isn't obviously a >> requirement...I wonder why so many tutorials, books, etc. tell you to >> do this? >> > > Rebooting single user ensures that most daemons aren't launched, as well > as stuff related to networking and so on. > > It's safer but not mandatory per se. > > I've done 7.4-PRE to 8.0-REL upgrades just fine without the single user > step, AND the machine came back alive ;) I do this all the time too, but if the new kernel doesn't boot, you end up in more trouble than needing an extra reboot. The reboot part is definitely important -- you can reboot into multiuser mode and do the installworld that way, but if you have the new utilities and have to drop back to an old kernel, you may have to reinstall the base system.