Installing and Configuring Oracle 12c in RHEL/CentOS/Oracle Linux 6.5 – Part II

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Babin Lonston

I'm Working as a System Administrator for last 10 year's with 4 years experience with Linux Distributions, fall in love with text based operating systems.

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48 Responses

  1. CHETAN LOHAR says:

    I was facing following error,

    “Error in invoking target ‘irman ioracle’ of makefile ‘/u01/app/oracle/product/12.1.0/db_1/rdbms/lib/’ “

    I resolved this by copying libjavavm12.a to $ORACLE_HOME/llib directory.

    # cp /u01/app/oracle/product/12.1.0/db_1/javavm/jdk/jdk6/lib/libjavavm12.a /u01/app/oracle/product/12.1.0/db_1/lib/

    Hope this will help someone.

    • Ravi Saive says:


      Thanks for sharing the tip, hope it will help other users who face similar issue while installing Oracle in CentOS.

  2. SysOwner says:

    The only tutorial helped me.

    Thanks a lot!

  3. vijay says:

    Hello, I want to install oracle db 12c in active passive mode without grid is possible to in RHEL HA

  4. nla says:


    when I reboot the server I have to start the listner and DB manually, how we can start it automatically on boot !

  5. santu debnath says:

    before running ./runInstaller you need to do xhost + from root user

    • Karan Rajpoot says:

      If you logged in as Oracle user, then there is no need to run xhost + command, This is required when you login through root user and then switch the role to oracle user.

  6. Nagaraju says:

    Hi Babin,

    After successful installation of 12c I am not able to access em. Can you suggest how to troubleshoot it..

    Best Regards,

    • @Nagaraju,

      1. Please look into listener.ora host entry, Please add the host entry in the /etc/hosts if you don’t have a valid DNS server.
      2. If you have a valid DNS server please check the DNS address under /etc/resolv.conf.
      3. Check your iptables add a rule for web interface or flush it ( iptables -F), Check the lsnrctl status.

  7. Swathyprabhu says:

    Just completed installation of 12c on Oracle linux 7. This webpage (both part1 and part2) is authentic and error free as far as my needs are concerned.

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