Hi Tim. The community is so kind. So.
> I'm not exactly sure what you're doing. Understand how GRUB works, to boot myself. 1. Trying to install Debian on the Flash. 2. Use it by the Debootstrap. 3. Now I want to boot using that Flash. Looks like a caught the thread. 1. ESP is a partition that stores GRUB Binary. /boot/EFI/Name/grub64.eif 2. ==>BAM<== some how that binary knows the system partition. 3. At the system partition there is a /boot/grub/grub.cfg 4. And at that /boot/grub/grub.cfg is UUID and etc. to start Booting. But the question is on the step 2. /boot/EFI/Name/grub64.efi knows where to start /boot/grub/grub.cfg that resides at the absolutely different partition. Interesting. But the question already asked. Now it possible to find the answer. Thank you!
