starting selective BI Services with OPMN

OPMN allows to control all BI 11g Services including starting and stopping.

The installer often installs two executables into the directory structure:

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However only one is typically working right after the installation, the other will throw the following error message:

opmnctl: ORACLE_INSTANCE is not set.
opmnctl status requires that ORACLE_INSTANCE be correctly set 
in your environment.
Make sure you are using ORACLE_INSTANCE/bin/opmnctl, or set 
ORACLE_INSTANCE in your environment.

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In this case the working opmn is installed in the following directory:

/home/oracle/Middleware/instances/instance1/bin

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the status can be check with the following command:

./opmnctl status

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To start an individual service the following command needs to be used:

./opmnctl startproc ias-component=coreapplication_obips1

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After this, the Oracle BI Presentation Service is up alive.