Have recently Installed Oracle EM 12C Grid on Linux x86_64.
EM 12C Grid contains weblogic and JDK , It is installed automatically along with the EM (If you have not already installed weblogic separetely)
Installing Database 11G (11GR1 or 11GR2) is a pre-requisite for installing EM 12c.
Modify the recomended parameters (these will shown while installing) for better performence of EM.
Below are the high level steps:
1) Install Oracle database 11G ( Have installed 11GR2)
2) Remove the EM schema components (SYSMAN) from the database, Using the below command.
$<ORACLE_HOME>/bin/emca -deconfig dbcontrol db -repos drop -SYS_PWD <sys pasword> -SYSMAN_PWD <sysman password>
3) Install EM 12c by running runinstaller.
Login to EM 12c :
https://exmaple.oracle:7801/em
Login using User ID sysman and password chosen during the install
https://exmaple.oracle.com:7102/console
Login using User ID sysman and password chosen during the install
How To start EM Grid Control follow the steps below:
1. Start the listener
2. Start the database
3. Start OMS11g using the command <EM OMS Oracle Home>/bin/emctl.sh start oms -all
5. Go to the WLS Console and start the EM Domain (if not already started)
Find the below step by step screen shots of EM Installation ....
Regards
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