Oracle Enterprise Manager is central management platform for testing, deploying, operating, monitoring, diagnosing, and resolving problems on Oracle applications, databases, middleware, hardware and engineered systems. Following is the step by step installation guide for OEM 12c Cloud control on CentOS 6.4.
Environment:
OS: CentOS 6.4RAM: 16GB
CPU: Intel Core i5
HDD: 200GB
Hardware Requirement:
| OEM Size | SMALL | MEDIUM | LARGE |
|---|---|---|---|
| CPU Cores | 2 | 4 | 8 |
| RAM GB | 6 | 8 | 16 |
| HDDGB | 18 | 18 | 18 |
Package required:
- make
- binutils
- gcc
- libaio
- glibc-common
- libstdc++
- libXtst
- sysstat
- glibc-devel 32bit and 64 bit
- glibc
rpm -q make binutils gcc libaio glibc-common libstdc++ libXtst sysstat glibc glibc-devel
Kernel parameters
kernel.shmmax=4294967295
net.ipv4.ip_local_port_range = 11000 65000
User requirement
The Oracle Inventory Group (typically, oinstall)
The Oracle Software Owner User (typically, oracle)
Creating user
/usr/sbin/groupadd oinstall
/usr/sbin/useradd -g oinstall oracle
passwd oracle
Create directory to store OMR software
mkdir -p /ssd/oracle/Middleware
chown -R oracle:oinstall /ssd/oracle/Middleware
Create directory to store software library
mkdir -p /ssd/oracle/swlib
chown -R oracle:oinstall /ssd/oracle/swlib
Extract compressed EM source files.
unzip em12105_linux64_disk1.zip
unzip em12105_linux64_disk2.zip
unzip em12105_linux64_disk3.zip
Oracle Management Repository (OMR) database
Oracle Management Repository (OMR) database should be installed prior to installing Oracle Enterprise Manager 12c Cloud Control. Install Oracle database 11g R2 as OMR database and note down SYSMAN password, hostname, port and Database SID. We need to provide these details on the installation wizard.
In my case I have installed OMR(Oracle Management Repository) database and OMS(Oracle Management Server) on same host so following is the detail of OMR database:
Database Host name: core.localdomain
Port: 1521
Service/SID: omrdb
Sysman password: **********
Verify ORACLE_HOME, ORACLE_SID AND PATH Environment variables.
Unset ORACLE_HOME, ORACLE_SID AND PATH Environment variables.
Execute Installer with ./runInstaller executables
As runInstaller executable file is get executed support details page will be displayed.
Uncheck "I wish to receive security updates via My Oracle Support". Click on Next to continue.
Warning message will be displayed regarding the security issue. Click on Yes to continue.
Select Skip in the case of Software Updates and Click on Next to continue.
Make sure All the Prerequisite are Succeeded. If there is any failure the fix it and re-run. Click on Next to continue.
Select the installation type. Select simple in case of Typical installation. We may select Advance for more options. Click on Next after selecting Simple.
Select Middleware Home Location, Agent Base Directory and Host Name. Click on Next to continue.
Type Administrator password for the Weblogic server. Please note this down for future upgradation and webLogic management. Type OMR database hostname, port, service/sid and SYS password.
Some fixable pre-requisite has failed. These pre-requisite can be fixed by installed. Simple Click Yes to fix issue automatically and continue.
More fixable warnings. Click on OK to continue
Oracle Enterprise Manager 12c Cloud Control installation in progress. #####
Oracle Enterprise Manager 12c Cloud Control installation in progress. ##########
Execute Configuration scripts window will be displayed. Execute listed script as user root and Click OK once script executed successfully.
Finally Installation Completed Window will be displayed . Click on Close to complete installation.
Now we can login to OEM 12c Cloud control with URL and credentials below:
URL: https://core.localdomain:7802/em
Username: sysaux
Password:
