Hello My hosts are reporting offline after I install the agent. Can anyone help me?

Have you opened the communication from osquery agent to fleet, using osquery flags file?

No. I just installed the agent. How to proceed?

This might help - https://chat.osquery.io/t/35008/can-anyone-help-me-with-how-can-i-connect-fleetdm-to-plain-o#2ee625ab-9cbb-4418-9e97-315976b0530d

Error: TLS/HTTPS POST request to URI: https://linkfleet:8080/api/osquery/enroll W0305 154549.558990 1197582272 tls_enroll.cpp:101] Failed enrollment request to https://linkfleet:8080/api/osquery/enroll(Request error: Failed to connect to fmdm.cnnbrasil.com.br:8080: Operation timed out)