Ubuntu – Is it possible to boot Ubuntu using the Windows bootloader

bootuefi

As noted by many people, Windows 8's UEFI requirements might will won't get in the way of installing Linux (or whatever), as the replacement bootloader will also need to be signed somehow. Some systems All systems will let you disable the signature requirement, but the feature might be hidden to disable or you might not be willing to give up on the benefits of a secure bootloader.

Is it necessary to replace the bootloader in the first place? To keep ourselves to software that's gone golden, how can I install Ubuntu 11.04 using Windows 7's own bootloader?

Best Answer

  • Assuming that Windows is already installed, install Ubuntu on another partition. Make sure that you install Grub2 on the Ubuntu partition - don't install it on the MBR since this will overwrite the Windows boot-loader.

    Boot into Windows and install EasyBCD

    Add Entry and choose Grub2 i.e.

    enter image description here

    Then write back the modified Windows Boot-loader i.e.

    enter image description here

    Reboot - you will now have two options:

    enter image description here

    Boot into Ubuntu and change the Grub Timeout value i.e.

    gksudo gedit /etc/default/grub
    

    change "GRUB_TIMEOUT=10" to "GRUB_TIMEOUT=0" and save.

    Finally:

    sudo update-grub
    

    source

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