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Copyright © 2014 The FreeBSD Documentation Project
FreeBSD is a registered trademark of + the FreeBSD Foundation.
Intel, Celeron, EtherExpress, i386, + i486, Itanium, Pentium, and Xeon are trademarks or registered + trademarks of Intel Corporation or its subsidiaries in the United + States and other countries.
SPARC, SPARC64, and + UltraSPARC are trademarks of SPARC International, Inc in the United + States and other countries. SPARC International, Inc owns all of the + SPARC trademarks and under licensing agreements allows the proper use + of these trademarks by its members.
Many of the designations used by + manufacturers and sellers to distinguish their products are claimed + as trademarks. Where those designations appear in this document, + and the FreeBSD Project was aware of the trademark claim, the + designations have been followed by the “™” or the + “®” symbol.
This article gives some brief instructions on installing + FreeBSD 10.2-RELEASE and upgrading the systems running earlier + releases.
The Installing
+ FreeBSD
+ chapter of the FreeBSD
+ Handbook
provides more in-depth information about the
+ installation program itself, including a guided walk-through with
+ screenshots.
If you are upgrading from a previous release of FreeBSD, please
+ read upgrading
+ section in the Release Notes
for notable
+ incompatibilities carefully.
The procedure for doing a source code based update is
+ described in
+ Synchronizing Source
and
+ Rebuilding world
.
For SVN use the releng/10.2
branch
+ which will be where any upcoming Security Advisories or Errata
+ Notices will be applied.
The freebsd-update(8) utility supports binary
+ upgrades of i386 and amd64 systems running
+ earlier FreeBSD releases. Systems running
+ 9.3-RELEASE
,
+ 10.1-RELEASE
,
+ 10.2-RC[1234]
can upgrade as follows:
#
freebsd-update fetch +#
freebsd-update install
Now the freebsd-update(8) utility can fetch bits + belonging to 10.2-RELEASE. During this process + freebsd-update(8) will ask for help in merging + configuration files.
#
freebsd-update upgrade -r 10.2-RELEASE
Due to changes in the way that FreeBSD is packaged on the + release media, two complications may arise in this process if + upgrading from FreeBSD 8.x or 9.x:
The FreeBSD, which previously could appear in either
+ /boot/kernel
or
+ /boot/GENERIC
, now only appears as
+ /boot/kernel
. As a result, any
+ kernel appearing in /boot/GENERIC
+ will be deleted. Please carefully read the output printed
+ by freebsd-update(8) and confirm that an updated
+ kernel will be placed into
+ /boot/kernel
before proceeding beyond
+ this point.
The FreeBSD source tree in /usr/src
+ (if present) will be deleted. (Normally the
+ freebsd-update(8) utility will update a source tree,
+ but in this case the changes in release packaging result
+ in the freebsd-update(8) utility not recognizing that
+ the source tree from the old release and the source tree
+ from the new release correspond to the same part of
+ FreeBSD.)
#
freebsd-update install
The system must now be rebooted with the newly installed + kernel before the non-kernel components are updated.
#
shutdown -r now
After rebooting, freebsd-update(8) needs to be run + again to install the new userland components:
#
freebsd-update install
At this point, users of systems being upgraded from FreeBSD + 9.3-RELEASE or earlier will be prompted by + freebsd-update(8) to rebuild all third-party applications + (e.g., ports installed from the ports tree) due to updates in + system libraries.
After updating installed third-party applications (and + again, only if freebsd-update(8) printed a message + indicating that this was necessary), run + freebsd-update(8) again so that it can delete the old (no + longer used) system libraries:
#
freebsd-update install
Finally, reboot into 10.2-RELEASE
#
shutdown -r now
This file, and other release-related documents, + can be downloaded from http://www.FreeBSD.org/releases/.
For questions about FreeBSD, read the + documentation before + contacting <questions@FreeBSD.org>.
All users of FreeBSD release should + subscribe to the <stable@FreeBSD.org> + mailing list.
For questions about this documentation, + e-mail <doc@FreeBSD.org>.