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Re: no password on G4



It may only read CDs as my G4 only did until I upgraded to better CD/DVD drive. If the cd is stuck in the CD drive that's internal to your G4  you should be able to boot to Open Firmware and use the following command at the OF prompt.

eject cd 

Thanks,
Brock

Sent from my iPhone

> On Feb 13, 2016, at 2:59 PM, Milan Kupcevic <milan@debian.org> wrote:
> 
>> On 02/13/2016 03:02 PM, Klaus Becker wrote:
>> Hi,
>> 
>> someone offered me a Mac G4 with Debian 7 installed. It works, but I have no 
>> password, neither user nor root.
>> 
>> The bootloader is yaboot.
>> 
>> There is no CDROM on the machine.
> 
> 
> Try to start Debian installer form an external firewire cd/dvd
> drive. See:
> 
> http://lists.debian.org/4FDD55CC.7020403@physics.harvard.edu
> 
> Or try to boot the installer form an USB stick directly. It
> is not quite straightforward how to do it, but try this:
> 
> Copy .iso to a USB memory stick using dd.
> 
> sudo dd if=debian-powerpc-netinst.iso of=/dev/sd[x]
> 
> Unplug all USB devices and hubs, except the keyboard and mouse.
> 
> Plug the USB memory stick directly into the machine. Restart the machine
> while holding option+command+o+f keys.
> 
> On the Open Firmware prompt type:
> 
> boot usb0/disk:,\install\yaboot
> 
> if it does not work, one of these should:
> 
> boot usb1/disk:,\install\yaboot
> boot usb2/disk:,\install\yaboot
> boot usb-1a/disk:,\install\yaboot
> boot usb-1b/disk:,\install\yaboot
> boot usb-1c/disk:,\install\yaboot
> boot usb-2a/disk:,\install\yaboot
> boot usb-2b/disk:,\install\yaboot
> boot usb-2c/disk:,\install\yaboot
> 
> On some machines usb device aliases can be different. To get hints where
> the USB device is and which alias could be the right one, type:
> 
> devalias
> 
> and
> 
> dev / ls
> 
> 
> 


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