Oracle 21c dbca LISTENER specification fails with port 1521 busy

Amin Adatia · Nov 19, 2021 4:01PM

I am trying to create a new 21c (21.3) database on Linux 8.4

where I get to specifying the LISTENER I get a message that port 1521 is busy. Why would this happen and how do I get past this step?

I only have WiFi connectivity to the Linux box

Solomon Yakobson · Nov 19, 2021 4:46PM

You can use netstat or fuser to check who is using port 1521 or simply choose a different port.

SY.

Amin Adatia · Nov 19, 2021 7:00PM

for netstat -an | grep 1521 | grep -i listen

I get nothing

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