Oracle12C EM Installation Document

Installation Document Made by: Muhammad Uzair Zahid

List Of Contents

Hardware Requirements

Installation Steps

Startup/Shutdown Process

Configuring Server Host in Oracle EM 12c

Configuration Host Database

Agent Deployment

Configure and Add Target Host

Configuring Target Database

Hardware Requirements

At least 6GB RAM and Hard Disk 50 GB

Installation Steps

Install Oracle Enterprise Linux 5.* or 6.* Install Oracle Database 11g R2 After installing Oracle Linux & Database, install additional RPM

# OL 5.x and 6.x Rpm Uvh make-3* Rpm Uvh binutils-2* Rpm Uvh gcc-4* Rpm Uvh libaio-0* Rpm Uvh glibc-common-2* Rpm Uvh libstdc++-4* Rpm Uvh sysstat-* Rpm Uvh glibc-devel

# OL 6.x only Rpm Uvh glibc-devel.i686

# OL 5.x only Rpm Uvh glibc-devel.i686 Rpm Uvh setarch Rpm Uvh rng-utils-2* Rpm Uvh libXtst-1* Rpm Uvh xorg-x11-utils

After the database installation, deconfigure Enterprise Manager Database Control. Run the following command as the "oracle" user

# emca -deconfig dbcontrol db -repos drop -SYS_PWD -SYSMAN_PWD

Make the following initialization parameter changes and restart the instance.

# sqlplus / AS SYSDBA # ALTER SYSTEM SET processes=300 SCOPE=SPFILE; # ALTER SYSTEM SET session_cached_cursors=200 SCOPE=SPFILE; # ALTER SYSTEM SET sga_target=2G SCOPE=SPFILE; # ALTER SYSTEM SET shared_pool_size=600M SCOPE=SPFILE; # ALTER SYSTEM SET pga_aggregate_target=1G SCOPE=SPFILE; # ALTER SYSTEM SET job_queue_processes=20 SCOPE=SPFILE;

May be required if using older versions of DB.

# ALTER SYSTEM SET log_buffer=10485760 SCOPE=SPFILE; # ALTER SYSTEM SET open_cursors=300 SCOPE=SPFILE;

Restart the instance.

# SHUTDOWN IMMEDIATE # STARTUP

For Cloud Control 12c Installation, make the following directories

# mkdir -p /u/app/oracle/oms12cr2 # mkdir -p /u/app/oracle/agent12cr2

Unzip the Cloud Control media, the start the installation by running the "runInstller" script.

# mkdir em12cr2 # unzip -d em12cr2 em12cr2_linux64_disk1.zip #unzip -d em12cr2 em12cr2_linux64_disk2.zip # unzip -d em12cr2 em12cr2_linux64_disk3.zip # cd em12cr2 # ./runInstaller

After executing ./runInstaller command, Installation screen will occur write your email address or click next to proceed further

Click on Skip and then Click on next button

Succeeded status show all the prerequisite checks are accurate, click next to proceed

Select create a new EM and simple

Write hostname, directory location

Write the administrator password and database connection details

Click yes on disable the stats gathering job

View the installation review and click next

After viewing the installation process, now installation is going on

In between the installation a popup screen will appear in which you will ask to run configuration script

After completing the installation, final screen will appear showing the url of 12c enterprise manager console

logon to the url of 12c EM, login with sysman username & password

Startup/Shutdown Process

After installing Oracle 12c EM use the following commands for startup process # export ORACLE_HOME=/u/app/oracle/product/11.2.0/db_1 # export OMS_HOME=/u/app/oracle/oms12cr2/oms # export AGENT_HOME=/u/app/oracle/agent12cr2/core/12.1.0.2.0 # $ORACLE_HOME/bin/dbstart $ORACLE_HOME # $OMS_HOME/bin/emctl start oms # $AGENT_HOME/bin/emctl start agent

Use the following Commands to shutdown process

# export ORACLE_HOME=/u/app/oracle/product/11.2.0/db_1 # export OMS_HOME=/u/app/oracle/oms12cr2/oms # export AGENT_HOME=/u/app/oracle/agent12cr2/core/12.1.0.2.0 # $OMS_HOME/bin/emctl stop oms -all # $AGENT_HOME/bin/emctl stop agent # $ORACLE_HOME/bin/dbshut $ORACLE_HOME

Configuring Server Host in Oracle EM 12c

Enterprise Configuration Refresh Host Configuration

Select Server Hostname and click refresh host

Click in confirmation

Configuration Host Database

Steps are same as Configuring Target Database

Agent Deployment

Add the host name of target machine in server machine in etc/hosts file

Add the host name of server machine in target machine in etc/hosts file

Add the Oracle user in target machine in /etc/sudoers file

Remark default requiretty option in /etc/sudoers file

Visiblepw option is set in the /etc/sudoers file

Give chmod 440 permission to /etc/sudoers

Give chomod 4775 permission to /usr/bin/sudo

Reboot the target machine

Go to server machine and and edit the /u1/app/oracle/oms12cr2/oms/sysman/prov/agentpush.properties file and set the value of oracle.sysmanprov.agentpush.enablePty to true

Now login to EM 12c https://132.147.157.41:7803/em and connect with sysman user

Configure and Add Target Host

Go to setup Add targets Add targets manually

Select Add Host Targets and click on Add Host

Click add, enter the host name and choose platform and then click next

Make a directory named agent in u drive

Enter directory details in installation details, then click next

Review the details and click deploy agent

If you see agent deployment succeeded click done

Go to target select hosts

Select the host configure ok

Select the host add ok

Configuring Target Database

Go to target select databases

In databases screen select search list

Click add

Enter the target host name and continue

Write the monitor password and click next

Click save to save the database information

Click ok in target configuration results

Target Databases , all the databases are attached