在oracle用户下，直接输入（前提是先启动listener）
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emca -config dbcontrol db -repos recreate
STARTED EMCA at Dec 8, 2012 7:36:37 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: orcl
Listener port number: 1521
Listener ORACLE_HOME [ /u01/app/oracle/product/10.2.0/db_1 ]:
Password for SYS user:
Password for DBSNMP user:
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/10.2.0/db_1
Local hostname ................ ora10g
Listener ORACLE_HOME ................ /u01/app/oracle/product/10.2.0/db_1
Listener port number ................ 1521
Database SID ................ orcl
Email address for notifications ...............
Outgoing Mail (SMTP) server for notifications ...............
-----------------------------------------------------------------
Do you wish to continue? [yes(Y)/no(N)]: Y
Dec 8, 2012 7:36:53 PM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at /u01/app/oracle/cfgtoollogs/emca/orcl/emca_2012_12_08_19_36_36.log.
Dec 8, 2012 7:36:54 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Dropping the EM repository (this may take a while) ...
Dec 8, 2012 7:36:55 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully dropped
Dec 8, 2012 7:36:56 PM oracle.sysman.emcp.EMReposConfig createRepository
INFO: Creating the EM repository (this may take a while) ...
Dec 8, 2012 7:46:12 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully created
Dec 8, 2012 7:46:16 PM oracle.sysman.emcp.EMReposConfig uploadConfigDataToRepository
INFO: Uploading configuration data to EM repository (this may take a while) ...
Dec 8, 2012 7:47:48 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Uploaded configuration data successfully
Dec 8, 2012 7:47:51 PM oracle.sysman.emcp.util.DBControlUtil configureSoftwareLib
INFO: Software library configured successfully.
Dec 8, 2012 7:47:51 PM oracle.sysman.emcp.EMDBPostConfig configureSoftwareLibrary
INFO: Deploying Provisioning archives ...
Dec 8, 2012 7:48:31 PM oracle.sysman.emcp.EMDBPostConfig configureSoftwareLibrary
INFO: Provisioning archives deployed successfully.
Dec 8, 2012 7:48:31 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Securing Database Control (this may take a while) ...
Dec 8, 2012 7:49:06 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
INFO: Database Control secured successfully.
Dec 8, 2012 7:49:06 PM oracle.sysman.emcp.util.DBControlUtil startOMS
INFO: Starting Database Control (this may take a while) ...
Dec 8, 2012 7:49:59 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: Database Control started successfully
Dec 8, 2012 7:49:59 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
INFO: >>>>>>>>>>> The Database Control URL is https://ora10g:1158/em <<<<<<<<<<<
Dec 8, 2012 7:50:03 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/10.2.0/db_1/ora10g_orcl/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 Dec 8, 2012 7:50:03 PM
到这里就算成功了
然后可以启动OEM了
emctl start dbconsole
