Hi Rich, It works, thank you for your suggestions! I am just wondering is there any other options, for example eliminate the WARNING message while building the openssl libraries and executables? Thank you very much! Bob -----Original Message----- From: openssl-users [mailto:openssl-users-bounces@xxxxxxxxxxx] On Behalf Of Salz, Rich Sent: Thursday, February 04, 2016 10:41 AM To: openssl-users at openssl.org Subject: Re: WARNING message "can't open config file? when running openssl command > $ openssl x509 -in cert.pem -noout -text $ WARNING: can't open config > file: /usr/local/ssl/openssl.cnf > How can I eliminate this WARNING message even though the ?/usr/local/ssl/openssl.cnf? file does not exist? Among other options, "OPENSSL_CONF=/dev/null ; export OPENSSL_CONF" _______________________________________________ openssl-users mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users