• Boot from iso (was: Re: efi problem)

    From Max Nikulin@21:1/5 to Charles Curley on Mon Apr 24 16:30:02 2023
    On 24/04/2023 01:38, Charles Curley wrote:
    On Sun, 23 Apr 2023 16:34:03 -0000 (UTC)
    Curt <curty@free.fr> wrote:

    Install grml-rescueboot

    I just tried it. It may work with a grml CD ISO; I didn't try it. The
    code builds the grub.cfg entry correctly, and that works. But grub
    refused to boot the debian netinst image I provided.


    Charles, isn't it the issue discussed in (I have not tried it though):

    Brian to debian-user. Re: hard disk installation method fails. Sat, 18
    Feb 2023 19:09:39 +0000. https://lists.debian.org/msgid-search/18022023184141.ff284e2242db@desktop.copernicus.org.uk

    (testing) 5.1.3. Booting from Linux using GRUB https://d-i.debian.org/manual/en.amd64/ch05s01.html#boot-initrd
    To boot the installer from hard disk, you must first download and place
    the needed files as described in Section 4.4, “Preparing Files for Hard Disk Booting”. https://d-i.debian.org/manual/en.amd64/ch04s04.html

    menuentry 'New Install' {
    insmod part_msdos
    insmod ext2
    set root='(hd0,msdos1)'
    linux /boot/newinstall/vmlinuz
    initrd /boot/newinstall/initrd.gz
    }

    https://d-i.debian.org/manual/en.amd64/ch04s04.html
    you can download the hd-media/initrd.gz file and its kernel
    hd-media/vmlinuz, as well as copy an installation image to the hard
    drive (make sure the file is named ending in .iso). The installer can
    then boot from the hard drive and install from the installation image, without needing the network.

    Taken into account current size of netinst, I see not point in avoiding
    of iso-scan:
    760M debian-bookworm-DI-rc1-amd64-netinst.iso

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