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This article gives some brief instructions on installing FreeBSD 9.3-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/9.3 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
8.4-RELEASE,
9.[12]-RELEASE,
9.3-BETA*, or
9.3-RC* can upgrade as follows:
First, ensure that your current system is up to date; a change was recently made to freebsd-update(8) (Errata Notice FreeBSD-EN-12:01.freebsd-update) which is needed in order to upgrade to FreeBSD 9.3-RELEASE.
#freebsd-update fetch#freebsd-update install
Now the freebsd-update(8) utility can fetch bits belonging to 9.3-RELEASE. During this process freebsd-update(8) will ask for help in merging configuration files.
# freebsd-update upgrade -r 9.3-RELEASEDue 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:
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 installThe system must now be rebooted with the newly installed kernel before the non-kernel components are updated.
# shutdown -r nowAfter rebooting, freebsd-update(8) needs to be run again to install the new userland components:
# freebsd-update installAt this point, users of systems being upgraded from FreeBSD 8.4-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 installFinally, reboot into 9.3-RELEASE
# shutdown -r nowThis file, and other release-related documents, can be downloaded from http://www.FreeBSD.org/releases/.
For questions about FreeBSD, read the documentation before contacting <[email protected]>.
All users of FreeBSD 9.3-STABLE should subscribe to the <[email protected]> mailing list.
For questions about this documentation, e-mail <[email protected]>.