From owner-freebsd-questions@FreeBSD.ORG Mon Oct 6 10:56:34 2003 Return-Path: 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 AE5EA16A4B3 for ; Mon, 6 Oct 2003 10:56:34 -0700 (PDT) Received: from obsecurity.dyndns.org (adsl-64-169-107-253.dsl.lsan03.pacbell.net [64.169.107.253]) by mx1.FreeBSD.org (Postfix) with ESMTP id A03A043FE9 for ; Mon, 6 Oct 2003 10:56:33 -0700 (PDT) (envelope-from kris@obsecurity.org) Received: from rot13.obsecurity.org (rot13.obsecurity.org [10.0.0.5]) by obsecurity.dyndns.org (Postfix) with ESMTP id 3CD2D66D16; Mon, 6 Oct 2003 10:56:33 -0700 (PDT) Received: by rot13.obsecurity.org (Postfix, from userid 1000) id F3FB3B32; Mon, 6 Oct 2003 10:56:32 -0700 (PDT) Date: Mon, 6 Oct 2003 10:56:32 -0700 From: Kris Kennaway To: Ewald Jenisch Message-ID: <20031006175632.GA2777@rot13.obsecurity.org> References: <3F815BED.1090000@jenisch.at> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ZGiS0Q5IWpPtfppv" Content-Disposition: inline In-Reply-To: <3F815BED.1090000@jenisch.at> User-Agent: Mutt/1.4.1i cc: freebsd-questions@freebsd.org Subject: Re: Multiple kernels on one machine? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Oct 2003 17:56:34 -0000 --ZGiS0Q5IWpPtfppv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Oct 06, 2003 at 02:11:25PM +0200, Ewald Jenisch wrote: > In order to keep a working kernel: Is it possible to *keep* an old=20 > kernel by copying, say /boot/kernel.old to e.g. /boot/mykernel and then= =20 > via the boot-menu starting this kernel by >=20 > unload > boot mykernel >=20 > ?? Yep! Not only is it possible, but it's a very good idea to keep a known-good kernel around in a special place (e.g. /kernel.good) in case something goes wrong with an upgrade and both of kernel and kernel.old are unusable. Kris --ZGiS0Q5IWpPtfppv Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQE/gazQWry0BWjoQKURAmgXAKCNAK0jQuRXkhS3KrJ7eH5/9MqmowCgqB6Z UW8NtqlAYNRirNSbaQ/pMuo= =5sBG -----END PGP SIGNATURE----- --ZGiS0Q5IWpPtfppv--