Grub_40_custom.sh

#!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.

submenu 'Rescue ISOs' {
    # Separator
    menuentry '============================== GNU/Linux ISOs ==============================' { echo "" }
    # Debian 11.4.0 GNOME
    menuentry 'Debian 11.4.0 GNOME' {
        set gfxpayload="keep"
        insmod ext2
        set isodrive=(hd1,gpt3)
        set isofile="/iso/debian-live-11.4.0-amd64-gnome.iso"
        loopback loop ${isodrive}${isofile}
        echo 'Loading Linux kernel ...'
        linux (loop)/live/vmlinuz-5.10.0-16-amd64 \
            boot=live \
            noeject \
            noprompt \
            locales=it_IT.UTF-8 keyboard-layouts=it \
            toram \
            components \
            findiso=${isofile} \
            iso-scan/filename=${isofile}
        echo 'Loading initial ramdisk ...'
        initrd (loop)/live/initrd.img-5.10.0-16-amd64
    }
    # Ubuntu 22.04 GNOME
    menuentry 'Ubuntu 22.04.1 GNOME' {
        set gfxpayload="keep"
        insmod ext2
        set isodrive=(hd1,gpt3)
        set isofile="/iso/ubuntu-22.04.1-desktop-amd64.iso"
        loopback loop ${isodrive}${isofile}
        echo 'Loading Linux kernel ...'
        linux (loop)/casper/vmlinuz \
            boot=casper \
            noeject \
            noprompt \
            toram \
            findiso=${isofile} \
            iso-scan/filename=${isofile}
        echo 'Loading initial ramdisk ...'
        initrd (loop)/casper/initrd
    }
    # Void Linux Mate DE
    menuentry 'Void Linux Mate 04.09.2022' {
        set gfxpayload="keep"
        insmod ext2
        set isodrive=(hd1,gpt3)
        set isofile="/iso/void-live-mate-unofficial-x86_64-5.18.19_1-20220904.iso"
        loopback loop ${isodrive}${isofile}
        echo 'Loading Linux kernel ...'
        linux (loop)/boot/vmlinuz \
            root=live:CDLABEL=VOID_LIVE ro init=/sbin/init \
            gpt add_efi_memmap \
            vconsole.unicode=1 vconsole.keymap=it locale.LANG=it_IT.UTF-8 \
            rd.live.overlay.overlayfs=1 rd.live.ram \
            findiso=${isofile} \
            iso-scan/filename=${isofile}
        echo 'Loading initial ramdisk ...'
        initrd (loop)/boot/initrd
    }
    # Separator
    menuentry '============================== Windows ISO ==============================' { echo "" }
    # Windows 10 LTSC
        menuentry 'Windows 10 LTSC' {
        set root=(hd1,gpt4)
        insmod part_gpt
        insmod ntfs
        insmod chain
        chainloader /efi/boot/bootx64.efi
    }
}