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dnl $OpenBSD: install,v 1.39 2014/03/19 01:59:48 tedu Exp $
OpenBSDInstallPrelude
There are several ways to install OpenBSD onto a disk. The easiest way is
to boot from the bootable CD-ROM mini image, then install from your favorite
source. You can also use one of the OpenBSD installation floppies, if your
machine has a floppy drive. Network booting is supported through means of
dhcpd(8) and tftpd(8).
Booting from Floppy Disk installation media:
At the SRM console prompt, enter
boot dva0
You should see info about the primary and secondary boot
and then the kernel should start to load. It will take a
while to load the kernel from the floppy, most likely more
than a minute. If some action doesn't eventually happen,
or the spinning cursor has stopped and nothing further has
happened, or the machine spontaneously reboots, then either
you have a bad boot floppy (in which case you should try
another) or your alpha is not currently supported by OpenBSD.
Booting from CD-ROM installation media:
At the SRM console prompt, enter
show device
to find the device ID of your CD-ROM drive (the device ID is
usually in the second column (``bootdev'') and should start
with DKA for a SCSI CD-ROM drive). If your drive shows up with
a drive number with trailing zeros, you will want to ignore them
(unless it is DKA0). For example, if your CD-ROM drive is listed
as DKA600, you want to use dka6 (device IDs are case
insensitive).
Insert the OpenBSD/MACHINE CD-ROM and enter
boot DEVICE
where DEVICE is the dka device name.
You should see info about the primary and secondary boot
and then the kernel should start to load. If the kernel
fails to load or the spinning cursor has stopped and nothing
further has happened, you either have a hardware problem or
your MACHINE is not currently supported by OpenBSD; try booting
from a floppy instead if possible.
Booting from Network:
In order to bootstrap via the network, you must provide a second
system to act as a boot server. It is convenient if this is a second
OpenBSD machine as the necessary services are already installed,
although source code for such programs as dhcpd can be found in
OpenBSD's source tree, and should be reasonably portable to other
UN*X-like operating systems. More information on diskless booting
can be found in the OpenBSD diskless(8) manual page.
In this case, you will need to set up dhcpd on the server, which can
serve bootp protocol requests. Start by editing the /etc/dhcpd.conf
on the bootserver, and declare an information block. Here is an
example:
subnet 10.0.0.0 netmask 255.0.0.0 {
host piper {
always-reply-rfc1048 "true";
filename "netboot";
option root-path "/alpha";
hardware ethernet 00:02:56:00:73:31;
fixed-address 10.42.42.42;
}
}
Do not forget to enable dhcpd.
You will also need to enable tftpd, for the MACHINE to download the
"netboot" from the server in the /tftpboot directory.
Next, you need to add an entry for your MACHINE in /etc/bootparams.
For example:
piper root=myserver:/alpha
Enable rpc.bootparamd either by turning it on in /etc/rc.conf and
rebooting, or by running it manually.
Only uncompressed kernels are supported for booting in this release.
This means you have to execute the following command on your boot
server before installing a new kernel for your MACHINE to boot:
# gzip -dc bsd.rd > /alpha/bsd
This assumes you have path /alpha exported via NFS.
Once loaded, netboot will mount /alpha over NFS and load the kernel
from there.
Installing using the Floppy, CD-ROM or Network procedure:
OpenBSDInstallPart2
Boot your machine from the installation media as described above.
It will take a while to load the installation kernel, especially
from a slow network connection or a CD-ROM, most likely more than
a minute.
If some action doesn't eventually happen, or the spinning cursor
has stopped and nothing further has happened, either your boot
media is bad, your diskless setup is incorrect, or you may have
a hardware or configuration problem.
OpenBSDInstallPart3
OpenBSDInstallPart4
OpenBSDInstallPart5
OpenBSDInstallPart6({:-CD-ROM, -:})
OpenBSDURLInstall
OpenBSDCDROMInstall
OpenBSDDISKInstall({:-"wdN" or -:},{:-only -:})
OpenBSDCommonInstall
OpenBSDInstallWrapup
OpenBSDCongratulations
OpenBSDUnattendedInstallation
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