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Installation is supported from several media types, including:
FFS partitions
Tape
Remote NFS partitions
CD-ROM
FTP
HTTP
The steps necessary to prepare the distribution sets for installation
depend on which method of installation you choose. The various methods
are explained below.
The variety of options listed may seem confusing, but situations vary
widely in terms of what peripherals and what sort of network arrangements
a user has, the intent is to provide some way that will be practical.
The steps necessary to prepare the distribution sets for installation
depend on which method of installation you choose. Some methods
require a bit of setup first that is explained below.
To install or upgrade OpenBSD using a tape, you need to do the following:
To install OpenBSD from a tape, you need to make a tape that
contains the distribution set files, each in "tar" format or
in "gzipped tar format". First you will need to transfer the
distribution sets to your local system, using ftp or by mounting
the CD-ROM containing the release. Then you need to make a tape
containing the files.
If you're making the tape on a UN*X-like system, the easiest way
to do so is make a shell script along the following lines, call it
"/tmp/maketape".
#! /bin/sh
tape=/dev/nrst0
mt -f ${tape} rewind
if test $# -lt 1
then
dd if=stboot of=${tape} obs=512
dd if=bootst of=${tape} obs=512
dd if=bsd.rd of=${tape} obs=8k conv=sync
fi
for file in base etc comp game man misc xbase xfont xshare
do
dd if=${file}OSrev.tgz of=${tape} obs=8k conv=sync
done
tar cf ${tape} bsd
mt -f ${tape} offline
# end of script
And then:
cd .../OSREV/MACHINE
sh -x /tmp/maketape
Note that this script creates a bootable tape. If you only want to
fetch the OpenBSD files from tape, but want to boot from another
device, you can save time and space creating the tape this way:
cd .../OSREV/MACHINE
sh -x /tmp/maketape noboot
If you're using a system other than OpenBSD or SunOS, the tape
name and other requirements may change.
To install OpenBSD using a remote partition, mounted via
NFS, you must do the following:
NOTE: This method of installation is recommended only for
those already familiar with using BSD network
configuration and management commands. If you aren't,
this documentation should help, but is not intended to
be all-encompassing.
Place the OpenBSD distribution sets you wish to install into a
directory on an NFS server, and make that directory mountable
by the machine on which you are installing or upgrading OpenBSD.
This will probably require modifying the /etc/exports file
of the NFS server and resetting its mount daemon (mountd).
(Both of these actions will probably require superuser
privileges on the server.)
You need to know the numeric IP address of the NFS server,
and, if the server is not on a network directly connected to
the machine on which you're installing or upgrading OpenBSD,
you need to know the numeric IP address of the router closest
to the OpenBSD machine. Finally, you need to know the numeric
IP address of the OpenBSD machine itself.
Once the NFS server is set up properly and you have the
information mentioned above, you can proceed to the next step
in the installation or upgrade process. If you're installing
OpenBSD from scratch, go to the section on preparing your hard
disk, below. If you're upgrading an existing installation, go
directly to the section on upgrading.
If you are upgrading OpenBSD, you also have the option of installing
OpenBSD by putting the new distribution sets somewhere in your existing
file system, and using them from there. To do that, you must do the
following:
Place the distribution sets you wish to upgrade somewhere in
your current file system tree. At a bare minimum, you must
upgrade the "base" binary distribution, and so must put the
"base{:--:}OSrev" set somewhere in your file system. If you wish,
you can do the other sets, as well, but you should NOT upgrade
the "etc" distribution; the "etc" distribution contains system
configuration files that you should review and update by hand.
Once you have done this, you can proceed to the next step in
the upgrade process, actually upgrading your system.
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