119 lines
4.4 KiB
Plaintext
119 lines
4.4 KiB
Plaintext
.\" $NetBSD: upgrade,v 1.9 2000/05/13 08:13:55 lukem Exp $
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.\"
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.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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It is possible to easily upgrade your existing NetBSD/\*m system
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using the upgrade program in the miniroot. If you wish to upgrade
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your system by this method, simply select the `upgrade' option once
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the miniroot has booted. The upgrade program with then guide you
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through the procedure. The upgrade program will:
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.Bl -bullet
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.It
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Enable the network based on your system's current
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network configuration.
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.It
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Mount your existing filesystems.
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.It
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Extract binary sets from the media of your choice.
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.It
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Fixup your system's existing /etc/fstab, changing the
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occurrences of `ufs' to `ffs' and let you edit the
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resulting file.
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.It
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Make new device nodes in your root filesystem.
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.It
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Don't forget to extract the `kern' set from the distribution.
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NOTE: the existing kernel WILL NOT be backed up; doing
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so would be pointless, since older kernels may not be
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capable of running NetBSD _VER executables.
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.It
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Install a new boot block.
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.It
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Check your filesystems for integrity.
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.El
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.Pp
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While using the miniroot's upgrade program is the preferred method
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of upgrading your system, it is possible to upgrade your system
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manually. To do this, follow the following procedure:
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.Bl -bullet
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.It
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Place _at least_ the `base' binary set in a filesystem
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accessible to the target machine. A local filesystem
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is preferred, since the NFS subsystem in the NetBSD _VER
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kernel may be incompatible with your old binaries.
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.It
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Back up your pre-existing kernel and copy the _VER
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kernel into your root partition.
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.It
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Reboot with the _VER kernel into single-user mode.
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.It
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Check all filesystems:
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.Dl /sbin/fsck -pf
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.It
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Mount all local filesystems:
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.Dl /sbin/mount -a -t nonfs
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.It
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If you keep /usr or /usr/share on an NFS server, you
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will want to mount those filesystems as well. To do
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this, you will need to enable the network:
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.Dl sh /etc/rc.d/network
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.It
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Run the update(8) daemon, to ensure that new programs
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are actually stored on disk.
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.Dl update
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.It
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Make sure you are in the root filesystem and extract
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the `base' binary set:
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.Bd -literal -offset indent
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cd /
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pax -zrvpe -f /path/to/base.tgz
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.Ed
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.It
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Install a new boot block:
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.D1 Ic cd /usr/mdec
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.D1 Ic disklabel\ -B Ar root\ disk Em (e.g.\ sd0)
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.It
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Sync the filesystems:
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.Dl sync
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.It
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At this point you may extract any other binary sets
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you may have placed on local filesystems, or you may
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wish to extract additional sets at a later time.
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To extract these sets, use the following commands:
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.D1 cd /
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.D1 pax -zrvpe -f Ar path_to_set
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.El
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NOTE: you SHOULD NOT extract the
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.Sy etc
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set if upgrading. Instead, you should extract that set into another
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area and carefully merge the changes by hand.
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