Hello Chris,
As Petr Pisar said it, last Fedora's kernel uses a compiled binary software
sign-file file. It
is still a perl script in RHEL.
Your command line should work if you remove perl invocation:
/usr/src/kernels/4.19.14-300.fc29.x86_64/scripts/sign-file sha256
/home/chris/MOK.priv
packages for Fedora.
All questions or comments on these subjects are welcome.
Cordially,
--
Nicolas Viéville
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