Date: Thu, 23 Jul 1998 07:37:23 -0500 (CDT) From: "Paul T. Root" <proot@horton.iaces.com> To: davidn@uk.aiesec.org (David Nunn) Cc: freebsd-questions@FreeBSD.ORG Subject: Re: 2.2.6 kernel with 2.2.5 system? Message-ID: <199807231237.HAA23911@horton.iaces.com> In-Reply-To: <3.0.1.32.19980723121625.006a1cc8@192.168.29.10> from David Nunn at "Jul 23, 98 12:16:25 pm"
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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
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