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Questions[secure-boot](server)

Martin Hope
Antonin M.
Asked: 2020-03-27 08:07:14 +0800 CST
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I followed this tutorial in order to add my own signed kernel module in my Ubuntu VM (18.04 LTS). It is hosted on Google Cloud Platform. I would like to add a certificate in the UEFI shim/Mokmanager, but when I restart the server in order to finalize the installation of the certificate, I can't access to the Mokmanager... Nothing happens by pressing on any key of the keyboard (see screenshot).

Is there an other way to add this certificate? Due to the fact that I want UEFI secure boot, disabling it is NOT an option.

Serial interface

google-compute-engine uefi secure-boot