gnome-official-harvester ~ # ls -l /dev/disk/by-uuid/
total 0
lrwxrwxrwx 1 root root  9 Apr 21 06:51 2023-08-08-01-19-05-00 -> ../../sr0
lrwxrwxrwx 1 root root 10 Apr 21 06:51 2af2514c-b9af-4c96-b122-6b9bcb19da69 -> ../../sda3
lrwxrwxrwx 1 root root 10 Apr 21 06:51 9d5a5849-78b7-4db7-9a96-8eb947c5e3a6 -> ../../sda1
lrwxrwxrwx 1 root root 10 Apr 21 06:51 a163928e-0e7e-4262-80c3-c8ae66d5d715 -> ../../sda2
gnome-official-harvester ~ # cat /etc/fstab 
# == IMPORTANT ==============================================================
# The 3 lines below need to be *uncommented* and adjusted for your system
# ===========================================================================

#/dev/sda1	/boot		ext2		noauto,noatime		1 2
#/dev/sda2	none		swap		sw			0 0
#/dev/sda3	/		ext4		noatime			0 1

UUID=9d5a5849-78b7-4db7-9a96-8eb947c5e3a6	/boot		ext2		noauto,noatime		1 2
UUID=a163928e-0e7e-4262-80c3-c8ae66d5d715	none		swap		sw			0 0
UUID=2af2514c-b9af-4c96-b122-6b9bcb19da69	/		ext4		noatime			0 1

# vim: ts=8 sw=8 noet
gnome-official-harvester ~ # ego boot update
  * Generating config for grub...

  DEFAULT > 0 Funtoo Linux - kernel-debian-sources-x86_64-6.6.15_p2
            1 Funtoo Linux (nomodeset) - kernel-debian-sources-x86_64-6.6.15_p2

  * NOTE:   Intel microcode will be loaded at boot-time.
  * NOTE:   Detected MBR boot. Configuring for Legacy MBR booting.
  * NOTE:   Default kernel selected via: boot.conf.
  * Configuration file /boot/grub/grub.cfg generated - 56 lines.
  * Completed successfully.

gnome-official-harvester ~ # mount /boot
gnome-official-harvester ~ # cat /boot/grub/grub.cfg
set timeout=3

if [ -s $prefix/grubenv ]; then
    load_env
fi

function savedefault {
    if [ -z "{boot_once}" ]; then
        saved_entry="${chosen}"
        save_env saved_entry
    fi
}

  insmod part_msdos
  insmod ext2
  set root=(hostdisk//dev/sda,msdos1)
  search --no-floppy --fs-uuid --set 9d5a5849-78b7-4db7-9a96-8eb947c5e3a6
if loadfont /grub/fonts/unicode.pf2; then
   set gfxmode=text
   insmod all_video
   terminal_output gfxterm
fi

set menu_color_normal=cyan/blue
set menu_color_highlight=blue/cyan

menuentry "Funtoo Linux - kernel-debian-sources-x86_64-6.6.15_p2" {
  insmod part_msdos
  insmod ext2
  set root=(hostdisk//dev/sda,msdos1)
  search --no-floppy --fs-uuid --set 9d5a5849-78b7-4db7-9a96-8eb947c5e3a6
  linux /kernel-debian-sources-x86_64-6.6.15_p2 real_root=UUID=2af2514c-b9af-4c96-b122-6b9bcb19da69 rootfstype=ext4 rand_id=HG2I351R
  initrd /early_ucode.cpio /initramfs-debian-sources-x86_64-6.6.15_p2
  set gfxpayload=keep
}

menuentry "Funtoo Linux (nomodeset) - kernel-debian-sources-x86_64-6.6.15_p2" {
  insmod part_msdos
  insmod ext2
  set root=(hostdisk//dev/sda,msdos1)
  search --no-floppy --fs-uuid --set 9d5a5849-78b7-4db7-9a96-8eb947c5e3a6
  linux /kernel-debian-sources-x86_64-6.6.15_p2 nomodeset real_root=UUID=2af2514c-b9af-4c96-b122-6b9bcb19da69 rootfstype=ext4 rand_id=HG2I351R
  initrd /early_ucode.cpio /initramfs-debian-sources-x86_64-6.6.15_p2
  set gfxpayload=keep
}

if [ ! "${next_entry}" = "" ] ; then
    set default="${next_entry}"
    set next_entry=
    save_env next_entry
    set boot_once=true
elif [ ! "${saved_entry}" = "" ]; then
    set default="${saved_entry}"
else
    set default=0
fi
gnome-official-harvester ~ # reboot

The system is going down for reboot NOW!al-harvester (pts/1) (Sun Apr 21 07:56
gnome-official-harvester ~ # Connection to gnome-official-harvester closed by remote host.
Connection to gnome-official-harvester closed.