\EFI\BOOT\BOOTX64.EFI is always installed on an Ubuntu system be it MAAS or ISO.
Focal install via ISO from December 2019 # tree /boot/efi/ /boot/efi/ └── EFI ├── BOOT │ ├── BOOTX64.EFI │ ├── fbx64.efi │ └── mmx64.efi └── ubuntu ├── BOOTX64.CSV ├── grub.cfg ├── grubx64.efi ├── mmx64.efi └── shimx64.efi 3 directories, 8 files Bionic install via MAAS today # tree /boot/efi/ /boot/efi/ └── EFI ├── BOOT │ ├── BOOTX64.EFI │ └── fbx64.efi └── ubuntu ├── BOOTX64.CSV ├── grub.cfg ├── grubx64.efi ├── mmx64.efi └── shimx64.efi 3 directories, 7 files ** Changed in: shim-signed (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1867387 Title: \EFI\BOOT\BOOTX64.EFI unable to find GRUBX64.EFI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1867387/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs