Here is how you boot with usb. https://wiki.ubuntu.com/PowerPCFAQ#How_do_I_boot_from_a_USB_drive.3F
Sent from my iPhone > On May 26, 2015, at 2:37 AM, Clark Wang <dearv...@gmail.com> wrote: > >> On Tue, May 26, 2015 at 3:05 PM, yu <kkn...@gmail.com> wrote: >> As I know, yaboot can't set vmlinux and initrd at the same time in its >> prompt, the right way is to load an alternative config file, such as >> "conf file=/boot/deb/yaboot.conf", but in this yaboot.conf, both >> vmlinux and initrd.gz are under /, the path is incorrect. >> >> so I guess you can write a new yaboot.conf in a USB flash drive, like: >> >> boot=/dev/sdaX(the prep partition) >> partition=3 >> root=/dev/sda3 >> timeout=30 >> >> image=/boot/vmlinux (can use the jessie kernel image directly, not >> netboot image) >> label=Linux >> initrd=/boot/initrd.img >> >> >> and then try to load the conf file in yaboot prompt by >> >> conf [device=device] [partition=partno] [file=/path/to/configfile] >> >> p.s. I'm not sure whether yaboot can load a conf in usb device or not >> under iBook :( > > Thanks for the info. I may give it a try. > > -clark >> >> 2015-05-26 14:17 GMT+08:00 clarkw <clark.w...@oracle.com>: >> > On Tue, May 26, 2015 at 2:09 PM, Petter Adsen <pet...@synth.no> wrote: >> >> >> >> On Tue, 26 May 2015 13:16:04 +0800 >> >> Clark Wang <dearv...@gmail.com> wrote: >> >> >> >> > On Tue, May 26, 2015 at 1:10 PM, Herminio Hernandez Jr < >> >> > herminio.hernande...@gmail.com> wrote: >> >> > >> >> > > On Tue, 2015-05-26 at 10:22 +0800, Clark Wang wrote: >> >> > > > I have an `iBook G4` and have `Debian 8 (Jessie)` installed on it. >> >> > > > Yesterday I did something stupid (messed up `yaboot.conf` and ran >> >> > > > `ybin`) and now the system cannot boot up. >> >> > > > >> >> > > > The old Debian 8 was installed on a single partition (`/dev/sda3`, >> >> > > > `ext4`). I ever put the Debian 8 netboot installation images >> >> > > > (downloaded from here) under `/boot/deb/`: >> >> > > > >> >> > > > /boot/deb/initrd.gz >> >> > > > /boot/deb/vmlinux >> >> > > > /boot/deb/yaboot >> >> > > > /boot/deb/yaboot.conf >> >> > > > >> >> > > > So how can I boot the netboot installation images from the `boot:` >> >> > > > prompt and reinstall Debian 8? >> >> > > > >> >> > > > I tried `boot: hd:3,/boot/deb/vmlinux root=/dev/ram read-only >> >> > > > initrd=/boot/deb/initrd.gz initrd-size=3000000` but it did not >> >> > > > work. (The screenshot taken with my phone.) >> >> > > > >> >> > > > >> >> > > > Thanks. >> >> > > > >> >> > > > >> >> > > > >> >> > > > -clark >> >> > > > >> >> > > You can use the netinst cd as a recovery cd by doing the following. >> >> > > >> >> > >> >> > I forgot to mention that my iBook's CD drive is broken. :) >> >> > >> >> > > >> >> > > 1. boot into the cd and at boot type recovery >> >> > > >> >> > >> >> > Or can I boot the netboot installation images (under /boot/deb/) from >> >> > the Open Firmware prompt? >> >> >> >> Can the machine boot from a USB flash drive? Or over the network? One >> >> of these approaches might be easier for you. >> > >> > >> > I'm trying to find out how to boot form USB. Boot from network also sounds >> > good. I'll investigate how to setup a DHCP and TFTP server on my OS X >> > (Yosemite) and how to boot iBook from network. >> >> >> >> >> >> Other than that, I'm afraid I can't help you - I know nothing about >> >> yaboot. >> > >> > >> > I never know about yaboot and Open Firmware when I was using Mac OS X on >> > the >> > iBook. They're all mysterious to me. Still learning. :) >> > >> > Thanks. >> > >> > -clark >> >> >> >> >> >> Petter >> >> >> >> -- >> >> "I'm ionized" >> >> "Are you sure?" >> >> "I'm positive." >> > >> > >
