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Thread: Yaboot Frustrations

  1. #1
    Join Date
    Feb 2006
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    6

    Question Yaboot Frustrations

    Hi,
    I'm running a Mac Mini G4 (1.25GHz) with 1GB RAM. I wanted to give Ubuntu another shot after being disappointed with previous versions. For once, the Desktop version (aka LiveCD) worked and I could explore Ubuntu Hardy Heron (8.04). I decided that I would install it to an external drive that is running on firewire. To make things simpler, I just wiped the disk and dedicated the entire disk to Ubuntu. Everything went well until it came to install the bootloader. It failed here and the syslog told me nothing. Thinking it could have been something to do with the Desktop cd, I downloaded the Alternate Install CD and tried to install it, but the same thing happened. Is there anyway to boot manually from the OpenFirmware and fix the yaboot partition? Is there a way to install yaboot manually from a rescue livecd?

    Thanks so much for any help!
    Craig

  2. #2
    Join Date
    Jan 2006
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    Re: Yaboot Frustrations

    Yep - you have to manually edit your external yaboot.conf. Check this out from the archives where I put it on a small external firewire:

    http://ubuntuforums.org/showthread.php?t=314237

    You can use the "alternate" disk to get to a rescue prompt, just stop it at the second-stage boot: prompt, hit -tab- to stop the countdown and specify one of the options like

    Code:
    Linux rescue
    and get to a root shell in /dev/sda3

    Hopefully there's something in that thread that'll get you up and running...

    oops - you probably won't have to use the ofboot line anymore.. Don't forget to hold down the ALT/Option key upon boot to choose it after the ybin is successful..
    Last edited by stream303; April 26th, 2008 at 11:16 PM. Reason: ofboot comment
    20" G5 iMac - AMD64 HP desktop
    http://www.ppclinux.info/

  3. #3
    Join Date
    Feb 2006
    Beans
    6

    Talking Re: Yaboot Frustrations

    Quote Originally Posted by stream303 View Post
    Yep - you have to manually edit your external yaboot.conf. Check this out from the archives where I put it on a small external firewire:

    http://ubuntuforums.org/showthread.php?t=314237

    You can use the "alternate" disk to get to a rescue prompt, just stop it at the second-stage boot: prompt, hit -tab- to stop the countdown and specify one of the options like

    Code:
    Linux rescue
    and get to a root shell in /dev/sda3

    Hopefully there's something in that thread that'll get you up and running...

    oops - you probably won't have to use the ofboot line anymore.. Don't forget to hold down the ALT/Option key upon boot to choose it after the ybin is successful..
    Whew... Sorry it took me so long to respond. It worked! Finally, after a lot of head banging i'm in Ubuntu...now off to solve the other issues at hand

    And I'll give you a thanks if I figure out how.

  4. #4
    Join Date
    Jan 2006
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    Re: Yaboot Frustrations

    Quote Originally Posted by macminiman View Post
    And I'll give you a thanks if I figure out how.
    Glad it worked! Just being here is thanks enough.

    One thing that is frustrating is that I can never seem to get nano to work properly in the rescue shell - for some reason I can't seem to find the right terminal emulation, ie TERM=vt100 etc. I have to rely on vi, which I know, but I can't get that emulation to be perfect either, so there is a lot of editing, cat'ing to check, editing again ...

    I'll have to experiment more to find the right terminal emulation to get nano right when in the rescue shell...

    I'll have to pass the thanks on to the original guys that helped ME out with firewire here a few years ago..
    20" G5 iMac - AMD64 HP desktop
    http://www.ppclinux.info/

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