From owner-freebsd-questions@FreeBSD.ORG Tue Oct 25 10:30:53 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CAFCB16A41F for ; Tue, 25 Oct 2005 10:30:53 +0000 (GMT) (envelope-from ecrist@secure-computing.net) Received: from grog.secure-computing.net (grog.secure-computing.net [216.243.161.73]) by mx1.FreeBSD.org (Postfix) with ESMTP id 059C143D53 for ; Tue, 25 Oct 2005 10:30:47 +0000 (GMT) (envelope-from ecrist@secure-computing.net) Received: from [192.168.1.50] (snipe.secure-computing.net [216.243.161.77]) (authenticated bits=0) by grog.secure-computing.net (8.13.1/8.13.1) with ESMTP id j9PAUmCU032365 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT); Tue, 25 Oct 2005 05:30:48 -0500 (CDT) (envelope-from ecrist@secure-computing.net) DomainKey-Signature: a=rsa-sha1; s=grog; d=secure-computing.net; c=nofws; q=dns; h=in-reply-to:references:mime-version:content-type:message-id:cc: content-transfer-encoding:from:subject:date:to:x-mailer:x-spam-status:x-spam-checker-version; b=cdK3Vwih9xkLTRVjPB+r0xsNDWBsiUxvWGw3ETjG8jaPhduDPpDrNXuD72OX6v/lX ZCQZSrKT6Y38Q+hbXlwgQ== In-Reply-To: <59adc1a0510242145s343b34afl@mail.gmail.com> References: <200510241712.11320.akbeech@gmail.com> <59adc1a0510242145s343b34afl@mail.gmail.com> Mime-Version: 1.0 (Apple Message framework v734) Content-Type: text/plain; charset=UTF-8; delsp=yes; format=flowed Message-Id: <3480C023-AFED-42A7-A8F3-9821A23A16F8@secure-computing.net> Content-Transfer-Encoding: quoted-printable From: Eric F Crist Date: Tue, 25 Oct 2005 05:30:38 -0500 To: Dimitar Vasilev X-Mailer: Apple Mail (2.734) X-Spam-Status: No, score=-4.9 required=4.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on grog.secure-computing.net Cc: freebsd-questions@freebsd.org Subject: Re: updating in single-user mode 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: Tue, 25 Oct 2005 10:30:53 -0000 On Oct 24, 2005, at 11:45 PM, Dimitar Vasilev wrote: >> I don't reccommend doing installworld or kernel in multiuser, but =20 >> I have never >> had any problems doing it on a lightly loaded machine. With that =20 >> said what >> could bite you is your new kernel not booting or something broken in >> userland. You will then need console access (serial or local) to =20 >> fix it. I >> would set up your machine with serial console access and use a =20 >> laptop or >> another machine when you reboot. >> >> Beech >> -- >> > I have done it when there is NO activity on the machine. Read =20 > UPDATING first. > Reset your securelevel to -1, stop all services except SSH and go. > It's possible to break your machine though. > Then you have to rebuild it again and it's 50/50 to succeed. > As advised twice, use serial cables/KVM switches if possible. > -- > =D0=94=D0=B8=D0=BC=D0=B8=D1=82=D1=8A=D1=80 =D0=92=D0=B0=D1=81=D0=B8=D0=BB= =D0=B5=D0=B2 > Dimitar Vassilev > > GnuPG key ID: 0x4B8DB525 > Keyserver: pgp.mit.edu > Key fingerprint: D88A 3B92 DED5 917E 341E D62F 8C51 5FC4 4B8D B525 If this isn't a production machine, try it. I have been doing system =20= updates since 3.4 and not once have I booted into single user mode to =20= compile my kernel or userland. I've even done it as recently as two =20 weeks ago. I don't have a huge userbase, so my system is pretty quiet. _______________________________________________________ Eric F Crist "I am so smart, S.M.R.T!" Secure Computing Networks -Homer J Simpson