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  • Install Oracle Enterprise Manager (OEM) 12c : #em12c

    Posted by "" in "installation, oem" on 2012-02-08

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    OEM 12c

    This post covers installation of Oracle Enterprise Manager (OEM) Cloud Control 12c . For overview of OEM 12c installation click here

    • Basic Installation Guide for OEM 12c is available here
    • Advanced Installation Guide is available here

    1. Install database that will contain OEM repository.

    2. Start Installer by running $OEM12C_SOFTWARE/runInstaller (setup.exe for Windows)

    3. Select Install Types (You can select Simple or Advanced, for this post I am suing Simple install type) and provide Middleware Home (This must be blank directory in which installer will install weblogic, jdk, OEM Binary for OMS & Agent )

    OEM 12c

    4. Provide Administrator Password and Database connection details (administrator password is used with weblogic user to log on to OEM Cloud Control Console and Weblogic Console)

    OEM 12c

    5. If Database contains dbcontrol then, installer will prompt you to de-register it. Deregister database control using emca -deconfig (run this command on database node) as shown below from database

    OEM 12c

    6. If prerequisite check fails then installer will warn you but you can skip checks and fix them later (It is recommended to fix failed pre-requisite checks)

    OEM 12c

    7. Click on Install button on Review screen

    OEM 12c


    Note: Installer will install three homes as shown above WLS_HOME, OMS_HOME, and AGENT_HOME 

    8. After configuration when prompted run allroot.sh from root user (Only on Unix)

    9. After installation note down URLs listed on Installer screen

    OEM 12c

    10. Directory structure after installation should look like

    OEM 12c 

    a) Directory agent is AGENT_HOME

    b) Directory gc_inst is ORACLE_INSTANCE that contains OHS instance (gc_inst/WebTierIH1) and Weblogic Domain (gc_inst/user_projects)

    11. WebLogic Server will create Domain with 1 Admin Server and 1 Managed Server as shown below

    WebLogic Admin Server (EMGC_ADMINSERVER) & Managed Server (EMGC_OMS1) – To know more about WebLogic Domain, Admin Server and Managed Server click here

    OEM 12COEM 12C 

    12. Access OEM 12c Cloud Control Console using https://hostname:OHS_SSL_PORT/em (Default Protocol is HTTPS and port is WebTier/OHS SSL Listen Port)

    13. In Nutshell OEM 12c will creates

    a) OMS – Oracle Management Service controlled by emctl . OMS consists of Java Component (WebLogic with 1 Admin Server and 1 Managed Server) and System Component (Oracle HTTP Server managed by OPMN)

    b) OMA – Oracle Management Agent controlled by emctl

    More on start-up/Shutdown and troubleshooting OEM 12c cloud control later   

    3 Responses to “Install Oracle Enterprise Manager (OEM) 12c : #em12c”

    1. […] For overview of OEM Cloud Control 12c installation click here and to install OEM 12c cloud control using SIMPLE (You can use SIMPLE or ADVANCED mode to install) click here […]

    2. […] recently configured OEM 12c (more on OEM 12c here and here ) to monitor  OID/OVD service status i.e. if OID/OVD goes down then send email notification to […]

    3. […] Step by Step instruction to configure Identity Management Monitoring (OID/OVD) using OEM 12c Posted in July 9th, 2013 byAtul Kumar in idm, oem, oid, ovd This post covers step by step instruction to configure OEM 12c (Cloud Control) so that it can monitor Oracle Identity Management component (OID/OVD). For overview of OEM Cloud Control 12c installation click here and to install OEM 12c cloud control using SIMPLE (You can use SIMPLE or ADVANCED mode to install) click here […]

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