Hi Roberto, On Thu, 2023-01-12 at 13:24 +0100, Roberto Sassu wrote: > + > +key_path="/lib/modules/$(uname -r)/source/certs/signing_key.pem" > +if [ -f "$PWD/../signing_key.pem" ]; then > + key_path=$PWD/../signing_key.pem > +fi > + For testing locally, how about first checking the file exists, before setting key_path? On not finding it, perhaps check whether "/lib/modules/$(uname -r)/build/certs/signing_key.pem" exists. -- thanks, Mimi