Default openNMS without CPU Resource Graphs

Cpu OID

<mibObj oid=".1.3.6.1.2.1.25.3.3.1.2" instance="hrDeviceEntry" alias="hrProcessorLoad" type="Gauge32" />

/etc/opennms/datacollection# vi mib2.xml

Find

<collect>
        <includeGroup>mib2-interfaces</includeGroup>
        <includeGroup>mib2-tcp</includeGroup>
        <includeGroup>mib2-powerethernet</includeGroup>
        <includeGroup>mib2-host-resources-processor</includeGroup>   --->> Add this
    </collect>
</systemDef>

then go to  /Home /Reports /Resource Graphs /Choose

you will see

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