From owner-freebsd-questions@FreeBSD.ORG Fri May 22 16:12:09 2009 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 76371106566B for ; Fri, 22 May 2009 16:12:09 +0000 (UTC) (envelope-from steve@ibctech.ca) Received: from ibctech.ca (v6.ibctech.ca [IPv6:2607:f118::b6]) by mx1.freebsd.org (Postfix) with SMTP id E4BBD8FC16 for ; Fri, 22 May 2009 16:12:08 +0000 (UTC) (envelope-from steve@ibctech.ca) Received: (qmail 29851 invoked by uid 89); 22 May 2009 16:15:25 -0000 Received: from unknown (HELO ?IPv6:2607:f118::5?) (steve@ibctech.ca@2607:f118::5) by 2607:f118::b6 with ESMTPA; 22 May 2009 16:15:25 -0000 Message-ID: <4A16CED1.2030805@ibctech.ca> Date: Fri, 22 May 2009 12:12:01 -0400 From: Steve Bertrand User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: Lowell Gilbert References: <4A16BAAE.4030000@ibctech.ca> <44ab55w2ff.fsf@lowell-desk.lan> In-Reply-To: <44ab55w2ff.fsf@lowell-desk.lan> X-Enigmail-Version: 0.95.7 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms020007090206040207030508" Cc: "freebsd-questions@freebsd.org Questions -" Subject: Re: Do not copy kernel to kernel.old 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: Fri, 22 May 2009 16:12:09 -0000 This is a cryptographically signed message in MIME format. --------------ms020007090206040207030508 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Lowell Gilbert wrote: > Steve Bertrand writes: > >> Many of my routers boot/run from a USB thumb stick. To upgrade these >> routers, I "dd" the device onto another one, pop the backup into a build >> machine, and do the normal build*/install* with a DESTDIR parameter. >> >> If the upgraded device does not boot (due to kernel problems), I just >> wipe it clean and start over. >> >> Having a kernel.old in this case is a waste of time and of space. Is >> there any parameter I can tell the build process to ensure that the >> kernel.old work does not get done? > > Did you look at the makefiles or build(7)? No. I was not in the vicinity of a machine to do that at the time of my post. I was hoping to get the info for later, when I need to do the builds, which you provided: > "reinstallkernel" was what you were > looking for. Thanks! 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