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Thread: Installing ubuntu on DOS from usb .iso file

  1. #1
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    Installing ubuntu on DOS from usb .iso file

    Hi guys
    So I'm trying to install the newest ubuntu version on a laptop with no cd rom drive or operating system outside of DOS, which I am unfortunately not very familiar with. I have a usb with which I want to install ubuntu, but am not sure how to access the file. Also, since I don't have any form of software on the other computer, is there a way in which I can prepare the .iso installation file to launch directly off the drive?
    thanks in advance

  2. #2
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    Lightbulb Re: Installing ubuntu on DOS from usb .iso file

    Quote Originally Posted by glensgrant View Post
    Hi guys
    So I'm trying to install the newest ubuntu version on a laptop with no cd rom drive or operating system outside of DOS, which I am unfortunately not very familiar with. I have a usb with which I want to install ubuntu, but am not sure how to access the file. Also, since I don't have any form of software on the other computer, is there a way in which I can prepare the .iso installation file to launch directly off the drive?
    thanks in advance
    That's not DOS. That's your BIOS.
    You need to figure out which key brings up the "boot" options so that you can select USB. On some systems, it's F12. Yours might be different.
    24 beers in a case, 24 hours in a day. Coincidence? I think not!

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  3. #3
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    Re: Installing ubuntu on DOS from usb .iso file

    I'm pretty sure it is DOS. FreeDOS kernel verson 1.1.26a. came preinstalled. Haven't figured out how to do anything past setting time and date.
    Now it taunts me with its fiendishly clean screen and C:\>.
    Also is it possible to run the iso file the way it is once I finally find it?

  4. #4
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    Lightbulb Re: Installing ubuntu on DOS from usb .iso file

    Quote Originally Posted by glensgrant View Post
    I'm pretty sure it is DOS. FreeDOS kernel verson 1.1.26a. came preinstalled. Haven't figured out how to do anything past setting time and date.
    Now it taunts me with its fiendishly clean screen and C:\>.
    Also is it possible to run the iso file the way it is once I finally find it?
    No, the ISO is a bootable image. You need to boot from it in your BIOS.
    24 beers in a case, 24 hours in a day. Coincidence? I think not!

    Trusty Tahr 64 bit, AMD Phenom II 955 Quad Core 3.2GHz, GeForce 9600 GT
    16G PC2-6400 RAM, 128 GB SSD, Twin 1TB SATA 7200 RPM RAID0

  5. #5
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    Re: Installing ubuntu on DOS from usb .iso file

    Quote Originally Posted by glensgrant View Post
    I'm pretty sure it is DOS. FreeDOS kernel verson 1.1.26a. came preinstalled. Haven't figured out how to do anything past setting time and date.
    Now it taunts me with its fiendishly clean screen and C:\>.
    Also is it possible to run the iso file the way it is once I finally find it?
    well you are booting into dos.

    Installing ubuntu should not require you to boot into the os.
    Booting goes like this

    turn on->bios->bootloader-> os

    We want to intercept on the bios to choose the bootloader we wish to boot.
    In this case, we want the bios to run the live cd
    If you boot to dos then you cannot install ubuntu

    When you see post, try to press the key that allows it go to setup
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  6. #6
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    Re: Installing ubuntu on DOS from usb .iso file

    There are a couple of things that you need to make clearer. Does this laptop let you boot from a USB memory stick?

    And then there is this

    I have a usb with which I want to install ubuntu, but am not sure how to access the file.
    Please explain how you put Ubuntu on this USB. Did you copy the ISO image file to it or did you write/burn the ISO image to the USB. If you have created a Live USB version of Ubuntu and if your laptop can boot from a USB drive, then Just put the USB stick in the USB port and boot Ubuntu into a live session. Then you can try it out and install from there.

    This is how the install process will go:

    http://www.ubuntu.com/download/help/...desktop-latest

    This is how to create a bootable Ubuntu USB on Windows:

    http://www.ubuntu.com/download/help/...ick-on-windows

    Regards.
    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530


  7. #7
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    Re: Installing ubuntu on DOS from usb .iso file

    Wicked - thanks guys. You're absolute heroes!

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