From owner-freebsd-questions Thu Jul 23 05:38:55 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id FAA08752 for freebsd-questions-outgoing; Thu, 23 Jul 1998 05:38:55 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from horton.iaces.com (horton.iaces.com [204.147.87.98]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id FAA08747 for ; Thu, 23 Jul 1998 05:38:54 -0700 (PDT) (envelope-from proot@horton.iaces.com) Received: (from proot@localhost) by horton.iaces.com (8.8.8/8.8.7) id HAA23911; Thu, 23 Jul 1998 07:37:23 -0500 (CDT) From: "Paul T. Root" Message-Id: <199807231237.HAA23911@horton.iaces.com> Subject: Re: 2.2.6 kernel with 2.2.5 system? In-Reply-To: <3.0.1.32.19980723121625.006a1cc8@192.168.29.10> from David Nunn at "Jul 23, 98 12:16:25 pm" To: davidn@uk.aiesec.org (David Nunn) Date: Thu, 23 Jul 1998 07:37:23 -0500 (CDT) Cc: freebsd-questions@FreeBSD.ORG X-Organization: USWEST !nterprise Networking - ACES X-Phone: (612) 664-3385 X-Fax: (612) 664-4779 X-Page: (800) SKY-PAGE PIN: 537-7270 X-Address: 600 Stinson Blvd, Fl 1S X-Address: Minneapolis, MN 55413 X-Mailer: ELM [version 2.4ME+ PL38 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In a previous message, David Nunn said: > Hi there. > > I know this is a astrange request, but can I use a 2.2.6 kernel ona 2.2.5 > system? We are currently running a 2.2.5 system in the office as a dialup > server (dial-on-demand for the rest of the office which are on '95), and > are upgrading from standard modem to ISDN. BT has supplied all the kit, but > I need to recompile a kernel to change the serial port settings. > > The original sysadmin never installed the sources for the kernel, and so I > am stuck with a 2.2.5 system and 2.2.6 kernel sources. Upgrading is not an > option since the office cannot afford that amount of downtime on this, the > only connection to the internet they have. > > Can anyone help? (Please CC any replies to me personally) If you mix in a different kernel many applications will fail (ps, etc.). The best solution is to do an online upgrade. CVSup or download the entire source to 2.2.6, or 2.2.7-RELEASE (which appears to be out now). And do a make world (READ THE Makefile first). I actually prefer to do a make buildworld and then a make installworld. This gives you a fully running machine and only a couple of reboots. The down side is that you'll want to migrate /etc files to the new stuff. And that's a manual process. I have found the make world route very effective for my servers that need to stay up. -- "Many times a day, I realize how much my outer and inner life is built upon the labors of my fellow-men, both living and dead." -- Albert Einstein To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message