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Date:      Sun, 26 Dec 2010 21:25:50 +0100
From:      Polytropon <freebsd@edvax.de>
To:        Grant Peel <gpeel@thenetnow.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Updating.
Message-ID:  <20101226212550.d7fcaf76.freebsd@edvax.de>
In-Reply-To: <690996CCDF2D4E51B5B661ECE9443807@GRANTDESKTOP>
References:  <690996CCDF2D4E51B5B661ECE9443807@GRANTDESKTOP>

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On Sun, 26 Dec 2010 15:11:54 -0500, "Grant Peel" <gpeel@thenetnow.com> wrote:
> After running cvsup to obtain the new source, is it generally
> considered OK to run the maike buildworld in multiuser mode,
> or, are the dangers to doing this?

Seems to be no problem, as /usr/src/Makefile states this
as the default order:

For individuals wanting to upgrade their sources (even if only a
delta of a few days):

 1.  `cd /usr/src'       (or to the directory containing your source tree).
 2.  `make buildworld'
 3.  `make buildkernel KERNCONF=YOUR_KERNEL_HERE'     (default is GENERIC).
 4.  `make installkernel KERNCONF=YOUR_KERNEL_HERE'   (default is GENERIC).
      [steps 3. & 4. can be combined by using the "kernel" target]
 5.  `reboot'        (in single user mode: boot -s from the loader prompt).
 6.  `mergemaster -p'
 7.  `make installworld'
 8.  `make delete-old'
 9.  `mergemaster'                         (you may wish to use -U or -ai).
10.  `reboot'
11.  `make delete-old-libs' (in case no 3rd party program uses them anymore)




> Of course, after that step, one would drop to single user
> mode to buildkernel, installkernel, and installworld.

No, buildkernel, as all build activities, can be safely
performed in multi-user mode. There are just restrictions
in when to actually INSTALL built stuff. The kernel can
be installed in multi-user mode (but should be okay in
single-user mode, too), THEN the reboot into that new
kernel is performed, in single-user mode of course, and
finally the world is installed in this "construction
environment". After that, the system is rebooted again
to start into multi-user mode again with the fully
updated system (kernel AND world).



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...



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