Installation of OEM12C

Installing OEM12C under {testserver01.com MSDB SERVER}

OEM is the tool which are very helpful in real-time environment to monitor all the target and host server. With the help of OEM daily routine task are managed because we can configure the alert threshold in OEM for all major operations. We can set the warning and critical setting based on requirement. We can monitor the performance of host servers and it will help you lot to improve the performance because easily we can take action once, we got any alert in email.

Installation of OEM12C

To check the OS user PMON process.

$ ps -ef |grep pmon
grid      4695     1  0 Apr30 ?        00:04:23 asm_pmon_+ASM
omonitor 23867     1  0 Jun01 ?        00:01:02 ora_pmon_msdb
<user_id>   49472 49401  0 05:22 pts/0    00:00:00 grep pmon
Login to OS user in which you will install the OEM 12C software.
$ sudo -iu omonitor
[sudo] password for <user_id>:
$ bash
bash-4.1$

Make the following directories for OEM12C and agent.

mkdir -p /msdb/db/omonitor11g/oms12cr5

mkdir -p /msdb/db/omonitor11g/agent12c

chmod -R 777 /msdb/db/omonitor11g/oms12cr5

chmod -R 777 /msdb/db/omonitor11g/agent12c

Software Location – /backup/oem12c

bash-4.1$ cd /backup/oem12c

bash-4.1$ ls -ltr
total 1497736
-rwxrwxrwx 1 omonitor dba          5375 Dec 26  2013 runInstaller
drwxrwxrwx 4 omonitor dba          4096 Jan 15  2014 bipruntime
-rwxrwxrwx 1 omonitor dba    1533566101 Jun 11  2015 WT.zip
drwxrwxrwx 4 omonitor dba          4096 Jun 11  2015 oms
drwxrwxrwx 4 omonitor dba          4096 Jun 11  2015 jdk
drwxrwxrwx 2 omonitor dba          4096 Jun 11  2015 response
drwxrwxrwx 2 <user_id>   <user_group>       4096 Jun 11  2015 wls
drwxrwxrwx 7 omonitor dba          4096 Jun 11  2015 install
drwxrwxrwx 4 omonitor dba          4096 Jun 11  2015 libskgxn
drwxrwxrwx 9 omonitor dba          4096 Jun 11  2015 stage
drwxrwxrwx 2 <user_id>   <user_group>       4096 Jun 11  2015 plugins
-rwxrwxrwx 1 omonitor dba         65014 Jun 11  2015 release_notes.pdf

Install the OEM12C software:

Run – runInstaller

Uncheck the software updates

Email is not necessary.

Skip the below option.

Click Next

Click Next

Enter the OEM Home path.

Enter the password for OEM super admin

Click Next

If the configuration exists in your database of any schema related to OEM then we need to de-configure it first using the below screenshot command then Click on Next.

Click Ok

Click Ok

Review information before beginning the installation process.

Click on Install

Run the below script as root owner.

Below is the output.

Here you will get the OEM12C console URL details for logging in.

See the Main page of installed ORACLE Enterprise Manager Cloud Control 12c

Enter the ADMIN user login credentials and procced

Click on I Accept button above.

Below is the main home page of OEM12C where you can add the number of target and configure their agent services to monitor all the alerts.

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