--stopRenewOnError, -se Only valid for '--renewall' command. Stop if one cert has error in renewal.
--insecure Do not check the server certificate, in some devices, the api server's certificate may not be trusted.
--nocron Only valid for '--install' command, which means: do not install the default cron job. In this case, the certs will not be renewed automatically.
--ecc Specifies to use the ECC cert. Valid for '--installcert', '--renew', '--revoke', '--toPkcs' and '--createCSR'