--listraw Only used for'--list' command, list the certs in raw format.
--stopRenewOnError, -se Only valid for'--renew-all' 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.
--ca-bundle Specifices the path to the CA certificate bundle to verify api server's certificate.
--ca-bundle Specifies the path to the CA certificate bundle to verify api server's certificate.
--ca-path Specifies directory containing CA certificates in PEM format, used by wget or curl.
--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'--install-cert', '--renew', '--revoke', '--toPkcs' and '--createCSR'