Mastering Oracle 19c Data Guard Setup on Oracle Linux 8.8 Step-by-Step Guide

# tnsnames.ora Network Configuration File: /u01/app/oracle/product/19c/db_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.


cdb1 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = ol8-19-dg1)(PORT = 1521))
)
(CONNECT_DATA =
(SID= cdb1)
)
)

cdbstby =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = ol8-19-dg2)(PORT = 1521))
)
(CONNECT_DATA =
(SID = cdb1)
)
)
----------------------------------------------------------------------------
listener
# listener.ora Network Configuration File: /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.


LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = ol8-19-dg1)(PORT = 1521))
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
)

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = cdb1_DGMGRL)
(ORACLE_HOME = /u01/app/oracle/product/19c/db_1 )
(SID_NAME = cdb1)
(ENVS="TNS_ADMIN=/u01/app/oracle/product/19c/db_1/network/admin")
)
)

ADR_BASE_LISTENER = /u01/app/oracle