启动监听
[oracle@oracle11Gr2 ~]$ startup
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://oracle11Gr2:1158/em/console/aboutApplication
Starting Oracle Enterprise Manager 11g Database Control ….. started.
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Logs are generated in directory /app/oracle/product/11.2.0/dbhome_1/oracle11Gr2_crm/sysman/log
