hi, I installed oracle DB 19c in redhat 8. but I can't connect to it from a remote client.
hello I new installed oracle in redhat. I installed oracle Data Base 19.3 in redhat 8 but I can't connect to it from a remote client, inside the server sqlplus works fine also I can open Enterprise manager in port 5500. But I try to connect from sqldeveloper by the port 1521, I doesn't work it.
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