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Old June 21st, 2007   #4
pxwpxw
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Ubuntu 9.04 Jaunty Jackalope
Re: Install/rescue with no cd drive - O/F booting

NewWorld Macs

Assumes you have macosx installed with free space availabe for ubuntu on your drive.
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Network install (feisty704)

Download the 4 installer boot files: vmlinux, initrd.gz, yaboot, yaboot.conf from
current images

Then folowing the
Ubuntu Installation Guide

Put the 4 boot files on the macosx partition root. Disregard comments about problems with booting from HFS+ systems, current installer kernels can boot from any macosx system including macosx extended journalled.

See Preparing Files for Hard Disk Booting
(Hard Disk Installer Booting for NewWorld Macs)

Boot yaboot from open firmware.
Booting NewWorld Macs from OpenFirmware

At the yaboot "boot:" prompt, hit <tab> for options. If available, server or cli will do a quick console install with no desktop (easily installed later). Read yaboot.conf in macosx to see what are the options, before booting.
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ISO install. (no burning)

For 32bit powerpc the hd-media set of vmlinux, initrd.gz, yaboot, yaboot.conf
is good for installing from an Alternate or Server cd .iso on the hard drive.
hd-media set vmlinux initrd.gz and yaboot.conf. Plus yaboot from the Network Install - current images above.

For 64bit powerpc64
It is also possible to install from a downloaded AlternateCD.iso using the netboot images, but requires expert option selection of installer iso-scan and load-iso modules.

Note: edgy610 installer had a iso /dev/loop bug
See john_spiral's i386 howto
mkdir -p /dev/loop && ln /dev/loop0 /dev/loop/0

Last edited by pxwpxw; June 25th, 2007 at 12:35 PM..
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