Hi Donaldo,
Not sure if you have gone through SUM guide but please check it. See Preparation section from SUM Guide relevant for Linux with Maxdb. Below is the link for that guide, please see if you are able to access it:
https://websmp207.sap-ag.de/~sapidb/011000358700000783522011E
Also 5.3 Registering SUM in SAP Host Agent section for preparing Host Agent (Use of SSL) and then running SUM tool
Thanks,
MPS