Extract and combine client certificate and private key from PKCS12 into one file

perform the following step to extract and combine the client certificate and private key from the pkcs #12 into a single file run the following command to extract the certificate and private key from the client endpoint pkcs #12 file and save them into mongodb cert and privatekey pem note that the nodes parameter specifies that the private key should not be encrypted $ openssl pkcs12 in pki p12 nodes out mongodb cert and privatekey pem