sql-plus-connection-over-bastion-port-forwarding.sh

ubuntu@FAKELES-7310:~$ sqlplus SYS@//localhost:10521/DB0701_lhr1fj.sub07010909421.demovcn.oraclevcn.com AS SYSDBA

SQL*Plus: Release 19.0.0.0.0 - Production ON Tue Apr 25 14:59:00 2023
Version 19.16.0.0.0

Copyright (c) 1982, 2022, Oracle.  ALL rights reserved.

Enter password:

Connected TO:
Oracle DATABASE 19c EE Extreme Perf Release 19.0.0.0.0 - Production
Version 19.15.0.0.0

SQL> SELECT name FROM v$database;

NAME
---------
DB0701

SQL>