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What is grubx64 EFI file?
Typically, EFI/ubuntu/grubx64. efi on the EFI System Partition (ESP) is the GRUB binary, and EFI/ubuntu/shimx64. efi is the binary for shim. The latter is a relatively simple program that provides a way to boot on a computer with Secure Boot active.
What is EFI ubuntu shimx64 EFI?
shimx64. efi is for Secure Boot. As noted at the Arch Boot Process: A boot entry could simply be a disk. In this case the firmware looks for an EFI system partition on that disk and tries to find a EFI application in the fallback boot path \EFI\BOOT\BOOTX64.
Where is EFI Ubuntu grubx64 EFI?
For Ubuntu, the pathname should be \EFI\Ubuntu\grubx64. efi if you don’t need Secure Boot support, or \EFI\Ubuntu\shimx64. efi if the Secure Boot shim is used.
How do I get EFI BOOTX64 EFI?
From the firmware menus, look for the option: “Boot from file”, then browse to \EFI\BOOT\BOOTX64. EFI on Windows PE or Windows Setup media.”
Where is bootx64 EFI located?
\efi\BOOT\BOOTX64
When booting an OS launcher, the boot loader is an . efi type and is stored at the default location \efi\BOOT\BOOTX64. EFI. The USB Options in the System Utilities are configured to support booting from a USB drive.
What’s the difference between Grub and grubx64.efi?
Note that there’s some ambiguity possible. In particular, if you want to use a boot manager or boot loader other than GRUB in a Secure Boot environment with shim, you must call that program grubx64.efi, even though it’s not GRUB. Thus, if you were to install rEFInd on a Secure Boot-enabled computer, grubx64.efi could be the rEFInd binary.
Where is the EFI file for Ubuntu shimx64?
The optional data seems to contain a GUID reference to something within the Windows bootloader’s BCD configuration file. For Ubuntu, the pathname should be \\EFI\\Ubuntu\\grubx64.efi if you don’t need Secure Boot support, or \\EFI\\Ubuntu\\shimx64.efi if the Secure Boot shim is used.
Can you install grubx64 on a secure boot?
Thus, if you were to install rEFInd on a Secure Boot-enabled computer, grubx64.efi could be the rEFInd binary. This binary would probably not reside in EFI/ubuntu, though; both it and a shim binary would probably go in EFI/refind.
What should the pathname be for Ubuntu grubx64?
For Ubuntu, the pathname should be [&EFI&][&Ubuntu&][&grubx64&].efi if you don’t need Secure Boot support, or [&EFI&][&Ubuntu&]shimx64.efi if the Secure Boot shim is used. The descriptive name is simply “ubuntu” and the optional data is not used.