Start dbconsole for multiple databases on same host

If you want to start the dbconsole of multiple database on same host the parameter ORACLE_UNQNAME  and ORACLE_HOSTNAME needs to be set along with ORACLE_SID for that particular database .


[oracle@localhost ~]$ export ORACLE_SID=migrate
[oracle@localhost ~]$ export ORACLE_HOSTNAME=localhost
[oracle@localhost ~]$ export ORACLE_UNQNAME=migrate


[oracle@localhost ~]$ export ORACLE_HOSTNAME=localhost
[oracle@localhost ~]$ emctl start dbconsole
Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0
Copyright (c) 1996, 2009 Oracle Corporation.  All rights reserved.
https://localhost:5501/em/console/aboutApplication
Starting Oracle Enterprise Manager 11g Database Control ................................. started.
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Logs are generated in directory /u01/app/oracle/product/11.1.0/db_1/localhost_migrate/sysman/log