Starting the Oracle Enterprise Manager Console --oracle 11g

Step 1:

[oracle@localdomain ~]$ emca -deconfig dbcontrol db -repos drop

STARTED EMCA at Mar 21, 2016 2:12:28 PM
EM Configuration Assistant, Version 11.2.0.0.2 Production
Copyright (c) 2003, 2005, Oracle.  All rights reserved.

Enter the following information:
Database SID: testdb
Listener port number: 1521
Password for SYS user: 
Password for SYSMAN user: 

Do you wish to continue? [yes(Y)/no(N)]: y
Mar 21, 2016 2:12:41 PM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at /u01/app/oracle/cfgtoollogs/emca/testdb/emca_2016_03_21_14_12_28.log.
Mar 21, 2016 2:12:41 PM oracle.sysman.emcp.EMDBPreConfig performDeconfiguration
WARNING: EM is not configured for this database. No EM-specific actions can be performed.
Mar 21, 2016 2:12:41 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Dropping the EM repository (this may take a while) ...
Mar 21, 2016 2:13:47 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully dropped
Enterprise Manager configuration completed successfully
FINISHED EMCA at Mar 21, 2016 2:13:47 PM

Step 2:

[oracle@localdomain ~]$ emca -repos create

STARTED EMCA at Mar 21, 2016 2:14:07 PM
EM Configuration Assistant, Version 11.2.0.0.2 Production
Copyright (c) 2003, 2005, Oracle.  All rights reserved.

Enter the following information:
Database SID: testdb
Listener port number: 1521
Password for SYS user: 
Password for SYSMAN user: 
Password for SYSMAN user: 
Do you wish to continue? [yes(Y)/no(N)]: y
Mar 21, 2016 2:14:21 PM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at /u01/app/oracle/cfgtoollogs/emca/testdb/emca_2016_03_21_14_14_07.log.
Mar 21, 2016 2:14:21 PM oracle.sysman.emcp.EMReposConfig createRepository
INFO: Creating the EM repository (this may take a while) ...
Mar 21, 2016 2:18:03 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully created
Enterprise Manager configuration completed successfully
FINISHED EMCA at Mar 21, 2016 2:18:03 PM
[oracle@localdomain ~]$

Step 3:

[oracle@localdomain ~]$ emca -config dbcontrol db

STARTED EMCA at Mar 21, 2016 2:18:18 PM
EM Configuration Assistant, Version 11.2.0.0.2 Production
Copyright (c) 2003, 2005, Oracle.  All rights reserved.

Enter the following information:
Database SID: testdb
Listener port number: 1521
Listener ORACLE_HOME [ /u01/app/oracle/product/11.2.0/db_1 ]:
Password for SYS user: 
Password for DBSNMP user:  s
Password for SYSMAN user: 
Email address for notifications (optional):
Outgoing Mail (SMTP) server for notifications (optional):
-----------------------------------------------------------------

You have specified the following settings

Database ORACLE_HOME ................ /u01/app/oracle/product/11.2.0/db_1

Local hostname ................ localdomain.local.com
Listener ORACLE_HOME ................ /u01/app/oracle/product/11.2.0/db_1
Listener port number ................ 1521
Database SID ................ testdb
Email address for notifications ...............
Outgoing Mail (SMTP) server for notifications ...............

-----------------------------------------------------------------
Do you wish to continue? [yes(Y)/no(N)]: y
Mar 21, 2016 2:18:40 PM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at /u01/app/oracle/cfgtoollogs/emca/testdb/emca_2016_03_21_14_18_18.log.
Mar 21, 2016 2:18:42 PM oracle.sysman.emcp.EMReposConfig uploadConfigDataToRepository
INFO: Uploading configuration data to EM repository (this may take a while) ...
Mar 21, 2016 2:19:26 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Uploaded configuration data successfully
Mar 21, 2016 2:19:28 PM oracle.sysman.emcp.util.DBControlUtil configureSoftwareLib
INFO: Software library configured successfully.
Mar 21, 2016 2:19:28 PM oracle.sysman.emcp.EMDBPostConfig configureSoftwareLibrary
INFO: Deploying Provisioning archives ...
Mar 21, 2016 2:19:45 PM oracle.sysman.emcp.EMDBPostConfig configureSoftwareLibrary
INFO: Provisioning archives deployed successfully.
Mar 21, 2016 2:19:45 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Securing Database Control (this may take a while) ...
Mar 21, 2016 2:19:51 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Database Control secured successfully.
Mar 21, 2016 2:19:51 PM oracle.sysman.emcp.util.DBControlUtil startOMS
INFO: Starting Database Control (this may take a while) ...
Mar 21, 2016 2:20:08 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: Database Control started successfully
Mar 21, 2016 2:20:08 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: >>>>>>>>>>> The Database Control URL is https://localdomain.local.com:1158/em <<<<<<<<<<<
Mar 21, 2016 2:20:10 PM oracle.sysman.emcp.EMDBPostConfig invoke
WARNING:
************************  WARNING  ************************

Management Repository has been placed in secure mode wherein Enterprise Manager data will be encrypted.  The encryption key has been placed in the file: /u01/app/oracle/product/11.2.0/db_1/localdomain.local.com_testdb/sysman/config/emkey.ora.   Please ensure this file is backed up as the encrypted data will become unusable if this file is lost.

***********************************************************
Enterprise Manager configuration completed successfully
FINISHED EMCA at Mar 21, 2016 2:20:10 PM

Step 4:

[oracle@localdomain ~]$ emctl status dbconsole
Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0
Copyright (c) 1996, 2009 Oracle Corporation.  All rights reserved.
https://localdomain.local.com:1158/em/console/aboutApplication
Oracle Enterprise Manager 11g is running.
------------------------------------------------------------------
Logs are generated in directory /u01/app/oracle/product/11.2.0/db_1/localdomain.local.com_testdb/sysman/log
[oracle@localdomain ~]$