Oracle 11G: Starting the DB, listener and the enterprise manager console

Make sure all the necessary environment variables are set, especially the following variables.

And follow the below steps to start, database, listener and enterprise manager(em) console
  • For db startup: 

   $ sqlplus / as sysdba
SQL*Plus: Release – Production on Sun Nov 9 22:52:26 2008
Copyright (c) 1982, 2007, Oracle. All rights reserved.
Connected to an idle instance.

SQL> startup;
ORACLE instance started.
Total System Global Area 1389391872 bytes
Fixed Size 1299848 bytes
Variable Size 838863480 bytes
Database Buffers 536870912 bytes
Redo Buffers 12357632 bytes
Database mounted.
Database opened.

SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release – Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

  • Starting listener
    $ lsnrctl start
  • Oracle Enterprise manager start
    $  emctl start dbconsole
Now the enterprise manager server is started and can be accessed using the link on browser : https://hostname:1158/em
Thank u 🙂

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