[Solved] gpgkeys: protocol `https' not supported

Problem: sudo apt-key adv --fetch-keys 'https://mariadb.org/mariadb_release_signing_key.asc' Executing: /tmp/tmp.o2I4wt3O3r/gpg.1.sh --fetch-keys https://mariadb.org/mariadb_release_signing_key.asc gpgkeys: protocol `https' not supported gpg: no han...