====== Grub: Multi Bootable Partitions ======

{{template>:meta:template:pageinfo#tpl|
desc=Document how <wrap pkg>grub</wrap> automatically detects bootable partitions 
and adds them to grub boot menu.}}

  * Open <wrap file>/etc/default/grub</wrap> and append the following code to it. \\ <codeprism lang=bash>
# Enable detecting other bootable partitions.
GRUB_DISABLE_OS_PROBER=false
</codeprism>
  * Run <wrap cmd>sudo update-grub</wrap>
  * Run <wrap cmd>cat /boot/grub/grub.cfg</wrap> to confirm that all bootable partitions have been added to the grub menu entry.
  * Reboot to confirm whether it works.

===== Further Reading =====
  * [[https://copyprogramming.com/howto/warning-os-prober-will-not-be-executed-to-detect-other-bootable-partitions-systems-on-them-will-not-be-added-to-the-grub-boot-configuration]]