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Date:      Tue, 24 Dec 2013 11:45:22 +0800
From:      Erich Dollansky <>
To:        Shane Ambler <FreeBSD@ShaneWare.Biz>
Cc:, Luca Ferrari <>
Subject:   Re: update via ISO image
Message-ID:  <>
In-Reply-To: <52B8FD93.6040808@ShaneWare.Biz>
References:  <> <52B8FD93.6040808@ShaneWare.Biz>

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On Tue, 24 Dec 2013 13:50:51 +1030
Shane Ambler <FreeBSD@ShaneWare.Biz> wrote:

> On 23/12/2013 23:13, Luca Ferrari wrote:
> > Hi,
> > I believe this is trivial, but I cannot find any hint in the
> > documentation: is it possible to do a full upgrade from a -RELEASE
> > to a -RELEASE using an ISO image? In particular I'm running a 9.1
> > and I'm not able to run freebsd-update, can I update using the ISO
> > of a 9.2-RELEASE?
> I'll say yes. I do believe I have upgraded after booting from an
> install CD some time ago. At least installed a newer version over an
> existing version. I think the hassle was matching the mount points to
> the right slices, but this may be easier these days.

I find a bit confusing with the current installer.

The method you suggest here is the method I also would recommend.
> You may find it easier to manually install the tarballs from the CD -
> you can find them on the disk in usr/freebsd-dist and install them
> with cd /mnt/usr/freebsd-dist
> tar -xf -C / base.txz
> tar -xf -C / kernel.tbz
> tar -xf -C / lib32.txz
> You may also want to install some of the others -
> doc.txz games.txz ports.txz src.txz

There is still the route via the sources. It might sounds more
complicated. Only the mergemaster step confuses me. Do not allow
mergemaster to change your files but tell it to write them to a
directory in /var.


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