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  • Upgrading Oracle Enterprise Manager: 12c to 12c Release 2

    - by jorge_neidisch
    1 - Download the OEM 12c R2. It can be downloaded here: http://www.oracle.com/technetwork/oem/grid-control/downloads/index.html  Note: it is a set of three huge zips. 2 - Unzip the archives 3 - Create a directory (as the oem-owner user) where the upgraded Middleware should be installed. For instance: $ mkdir /u01/app/oracle/Middleware12cR2 4 - Back up OMS (Middleware home and inventory), Management Repository and Software Library. http://docs.oracle.com/cd/E24628_01/doc.121/e24473/ha_backup_recover.htm#EMADM10740 5 - Ensure that the Management tables don't have snapshots:  SQL> select master , log_table from all_mview_logs where log_owner='<EM_REPOS_USER>If there are snapshots drop them:  SQL> Drop snapshot log on <master> 6 - Copy emkey  from existing OMS:  $ <OMS_HOME>/bin/emctl config emkey -copy_to_repos [-sysman_pwd <sysman_pwd>]To verify whether the emkey is copied, run the following command: $ <OMS_HOME>/bin/emctl status emkeyIf the emkey is copied, then you will see the following message:The EMKey  is configured properly, but is not secure.Secure the EMKey by running "emctl config emkey -remove_from_repos". 7 - Stop the OMS and the Agent $ <OMS_HOME>/bin/emctl stop oms $ <AGENT_HOME>/bin/emctl stop agent 8 - from the unzipped directory, run $ ./runInstaller 8a - Follow the wizard: Email / MOS; Software Updates: disable or leave empty. 8b - Follow the wizard:  Installation type: Upgrade -> One System Upgrade. 8c - Installation Details: Middleware home location: enter the directory created in step 3. 8d - Enter the DB Connections Details. Credentials for SYS and SYSMAN. 8e - Dialog comes: Stop the Job Gathering: click 'Yes'. 8f- Warning comes: click 'OK'. 8g - Select the plugins to deploy along with the upgrade process 8h- Extend Weblogic: enter the password (recommended, the same password for the SYSMAN user). A new directory will be created, recommended: /u01/app/oracle/Middleware12cR2/gc_inst 8i - Let the upgrade proceed by clicking 'Install'. 8j - Run the following script (as root) and finish the 'installation':  $ /u01/app/oracle/Middleware12R2/oms/allroot.sh 9 - Turn on the Agent:  $ <AGENT_HOME>/bin/emctl start agent  Note that the $AGENT_HOME might be located in the old Middleware directory:  $ /u01/app/oracle/Middleware/agent/agent_inst/bin/emctl start agent 10 - go to the EM UI. Select the WebLogic Target and choose the option "Refresh WebLogic Domain" from the menu. 11 - Update the Agents: Setup -> Manage Cloud Control -> Upgrade Agents -> Add (+) Note that the agents may take long to show up. ... and that's it! Or that should be it !

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  • The Mindset of the Enterprise DBA: Creating and Applying Standards to Our Work

    Although many professions, such as pilots, surgeons and IT administrators, require judgement and skill, they also require the ability to do many repeated standard procedures in a consistent and methodical manner. These procedures leave little room for creativity since they must be done right, and in the right order. For DBAs, standardization involves providing and following checklists, notes and instructions so that the results are predictable, correct and easy to maintain

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  • Enhancing Enterprise Planning and Forecasting Through Predictive Modeling

    Planning and forecasting performance in today's volatile economic environment can be challenging with traditional planning applications and manual modeling techniques. To address these challenges, leading edge companies are leveraging predictive modeling to bring statistical analysis and techniques such as Monte Carlo simulations into the mix. Sound too math-intense and complicated? Not anymore. These techniques can be applied by anyone - no prior stats experience required - whether to augment the forecasting performed by line managers or to validate those forecasts based on historical information, and to produce a broader range of scenarios to consider in decision-making.

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  • Windows Intune Beta: Enterprise Options for Small Orgs

    Microsoft launched a limited public beta of a new Windows 7-based desktop PC security and management service....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Enterprise SEO, A Wasted Opportunity

    Corporates have embraced the net for quite a while now, but search engine marketing is still considered the lowest form of advertisement. Fair enough, its cheaper than your average TV campaign, but much more targeted and measurable. Spending money on ads isn't everything though, SEO (search engine optimisation) should play a dominant role in the search marketing budget as nothing will drive more visitors to your page than a good ranking on Google. However large enterprises seem to skimp when it comes to SEO and misses out on key opportunities at the same time.

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  • What are steps in making an operating system in C ? [duplicate]

    - by ps06756
    This question already has an answer here: Compiler/OS Design - Where to start [closed] 3 answers I am trying to make an my own OS. This is for educational purpose only, so that I get to understand the internals as well as get a good idea of low level programming. I have some prior application development experience in C#/python/C++/C. I am a noob in assembly language(very less experience and knowledge). I understand that in writing an operating system,we can't go without assembly language. Currently, I have just printed a string in assembly language in the boot sector using qemu and BIOS interrupts. What I want is that, can someone specifically point out the steps that I need to follow to make my operating systems run C programs. So that, I can start writing my OS in C. Any other piece of advice to help a newbie, regarding the same is also welcome. Although, I have looked into many os development related tutorials/websites, I can't seem to find this information anywhere.

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  • Enterprise Portal Development In ASPDOTNET

    You have good business and a website which helps you to grow more. Now you are reaching at a point that you want a business application that helps you and your employees in all ways means you need a ... [Author: Jessica Woodson - Web Design and Development - May 13, 2010]

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