When I put this in I am just getting the following response
Usage: certadmin
--get-private-key-passphrase [path]
Retrieve the passphrase for the private key at [path] from the keychain
--default-certificate-path
Retrieve the full path for the default certificate
--default-certificate-authority-chain-path
Retrieve the full path for the default certificate authority chain
--default-private-key-path
Retrieve the full path for the default private key
--default-concatenation-path
Retrieve the full path for the default certificate + private key concatenation
--create-default-self-signed-identity
Creates a default self signed identity (certificate + private key) using the hostname
--recreate-self-signed-certificate subject serial_number
Recreate an existing self signed certificate
--recreate-CA-signed-certificate subject issuer serial_number
Recreate an existing certificate signed by an OpenDirectory CA
where you have "192173c1c is this meant to be the serial number?