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Date:      Thu, 06 Mar 2008 13:28:52 +0100
From:      =?ISO-8859-1?Q?=22James_L=F3pez_=28BLuEGoD=29=22?= <bluegod@bluegod.net>
To:        freebsd-stable@freebsd.org
Subject:   Re: kernel backup on 7.0
Message-ID:  <47CFE384.4060607@bluegod.net>
In-Reply-To: <fqm6e4$idp$1@ger.gmane.org>
References:  <47CE6C6B.8060306@bluegod.net> <fqm6e4$idp$1@ger.gmane.org>

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Ivan Voras escribió:
| James López (BLuEGoD) wrote:
|> Hello,
|>
|> I have FreeBSD 7.0 on my server but due to troubles with sendfile (I
|> don't know why, but when I run a configure script checking for that
|> function it shows a "segmentation fault" and I can't make my web server
|> run well), also because of some accidentally I will reinstall freebsd.
|>
|> So I would like to know if I can make some kind of backup to the kernel
|> because it was modified and recompiled, so perhaps if I backup the boot
|> files wouldn't need to compile it again... How can I do that? is
|> possible? Its a matter of time.. I will have a short time to do the
|> reinstall :S
|
| If I understand you correctly, you're asking if you can have a "backup
| kernel" when you build a new one?
|

Not exactly.. What I mean is that I want to reinstall FreeBSD due to
some accidentally deleted files and a behavior on sendfile :S
So I would like to know if I can backup /boot and the overwrite it once
I have freebsd installed again...

| Yes, and it's the default behaviour. Every time you do a "make
| installkernel" (it's integrated into "make kernel"), the old kernel gets
| saved in /boot/kernel.old with all its modules. In addition to that, you
| can have an arbitrary number of different kernels in the root/boot file
| system. To switch between the kernels, escape to loader prompt on the
| boot menu, type "help" to see available commands (you'll probably use
| "unload", "load" and "boot", in this order).
|
|


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~ -- BLuEGoD (James LÛpez) bluegod@bluegod.net -------
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