Secure boot fails using custom PK.der key

[corcaz]

Hi and thank you for your work,

I'm trying to install Arcane OS (Ubuntu at base) to run a Flux node. Anyhow, the OS needs secure boot with a custom key imported.
I know how to complete the install successfully, as I've done it on other machines, but here I'm having the following error:

"Booting from 'Linux Boot Manager' failed: Access Denied. Verify it contains/points to a valid 64-bit UEFI OS.
Press any key to continue
SecureBoot is enabled: ensure selected entry is compatible."

I would love to manage a install on this particular Chromebook, as I cannot find any other use for it.

Cheers,

Cornel

[corcaz]

Update for this one, it appears even tough I have Secure Boot, there's no TPM. Is there any way to have an emulator included?

[MrChromebox]

the CR50 TPM is exposed to the OS, but it's not a full TPM 2.0 implementation, and isn't supported by EDK2 at this time