OEM OVERVIEW:
Oracle Enterprise Manager is management tool, which is used for integrated solution for managing your heterogeneous environment.
It Includes, Graphical console, Agents, Common Services and Tools to provide an integrated, comprehensive systems management platform for managing Oracle products.
Create a database with advanced option preferably with 1 GB size of pga_aggregate_target, sga_target and with character set of AL32UTF8, we need to set the following parameters and bounce the database
SQL> alter system set “_allow_insert_with_update_check”=true scope=both;
SQL> alter system set session_cached_cursors=200 scope=spfile;
SQL> alter system set shared_pool_size=600M scope=spfile;
SQL> alter system set processes=600 scope=spfile;
Download the required softwares move it to the desired directory
Create the middleware and agent directory, but it has to contain 35 GB of free space to install OEM successfully.
$ mkdir -p /home/oracle/oem/middleware
$ mkdir -p /home/oracle/oem/agent
Set the env file variables
ORACLE_BASE=/u01/app/oracle
UNIX_GROUP_NAME=oinstall
ORA_INVENTORY=/u01/app/oraInventory
MW_HOME=/home/oracle/oem/middleware
ORACLE_HOSTNAME=provide_your_name
AGENT_BASE=/home/oracle/oem/agent
WLS_USERNAME=weblogic
WLS_PASSWORD=Welcome1
GC_INST=/home/oracle/oem/gc_inst
SOFTWARE_LIBRARY=$/home/oracle/oem/swlib
DATABASE_HOSTNAME=oem.doyensys.com
LISTENER_PORT=1522
PDB_NAME=oemspark
SYS_PASSWORD=oracle
AGENT_PASSWORD=${WLS_PASSWORD}
ORACLE_SID=oemspark
DATA_DIR=/u01/app/oracle/oradata
OMS_HOME=${MW_HOME}
SYSMAN_PASSWORD=${WLS_PASSWORD}
SOFTWARE_DIR=/u01/app
Create a response file for the installation process in the /tmp directory with the file name install.rsp.
RESPONSEFILE_VERSION=2.2.1.0.0
UNIX_GROUP_NAME=oinstall
INVENTORY_LOCATION=/u01/app/oraInventory
SECURITY_UPDATES_VIA_MYORACLESUPPORT=false
DECLINE_SECURITY_UPDATES=true
INSTALL_UPDATES_SELECTION=skip
ORACLE_MIDDLEWARE_HOME_LOCATION=/home/oracle/oem/middleware
ORACLE_HOSTNAME=provide_your_hostname
AGENT_BASE_DIR=/home/oracle/oem/agent
WLS_ADMIN_SERVER_USERNAME=weblogic
WLS_ADMIN_SERVER_PASSWORD=Welcome1
WLS_ADMIN_SERVER_CONFIRM_PASSWORD=Welcome1
NODE_MANAGER_PASSWORD=Welcome1
NODE_MANAGER_CONFIRM_PASSWORD=Welcome1
ORACLE_INSTANCE_HOME_LOCATION=/home/oracle/oem/gc_inst
CONFIGURE_ORACLE_SOFTWARE_LIBRARY=true
SOFTWARE_LIBRARY_LOCATION=$/home/oracle/oem/swlib
DATABASE_HOSTNAME=provide_your_hostname
LISTENER_PORT=1522
SERVICENAME_OR_SID=oemspark
SYS_PASSWORD=oracle
SYSMAN_PASSWORD=Welcome1
SYSMAN_CONFIRM_PASSWORD=Welcome1
DEPLOYMENT_SIZE=SMALL
AGENT_REGISTRATION_PASSWORD=Welcome1
AGENT_REGISTRATION_CONFIRM_PASSWORD=Welcome1
PLUGIN_SELECTION={}
b_upgrade=false
EM_INSTALL_TYPE=NOSEED
CONFIGURATION_TYPE=LATER
CONFIGURE_SHARED_LOCATION_BIP=false
MANAGEMENT_TABLESPACE_LOCATION=/u01/app/oracle/oradata/OEMSPARK/mgmt.dbf
CONFIGURATION_DATA_TABLESPACE_LOCATION=/u01/app/oracle/oradata/OEMSPARK/mgmt_ecm_depot1.dbf
JVM_DIAGNOSTICS_TABLESPACE_LOCATION=/u01/app/oracle/oradata/OEMSPARK/mgmt_deepdive.dbf
Start the silent software-only installation by running the em13500_linux64.bin file and unset the CLASSPATH.
unset CLASSPATH
${SOFTWARE_DIR}/em13500_linux64.bin -silent -responseFile /tmp/install.rsp
Once the installation completes, run the root scripts as the root user.
Create a response file for the configuration process.
RESPONSEFILE_VERSION=2.2.1.0.0
UNIX_GROUP_NAME=oinstall
INVENTORY_LOCATION=/u01/app/oraInventory
SECURITY_UPDATES_VIA_MYORACLESUPPORT=false
DECLINE_SECURITY_UPDATES=true
INSTALL_UPDATES_SELECTION=skip
ORACLE_MIDDLEWARE_HOME_LOCATION=/home/oracle/oem/middleware
ORACLE_HOSTNAME=provide_your_hostname
AGENT_BASE_DIR=/home/oracle/oem/agent
WLS_ADMIN_SERVER_USERNAME=weblogic
WLS_ADMIN_SERVER_PASSWORD=Welcome1
WLS_ADMIN_SERVER_CONFIRM_PASSWORD=Welcome1
NODE_MANAGER_PASSWORD=Welcome1
NODE_MANAGER_CONFIRM_PASSWORD=Welcome1
ORACLE_INSTANCE_HOME_LOCATION=/home/oracle/oem/gc_inst
CONFIGURE_ORACLE_SOFTWARE_LIBRARY=true
SOFTWARE_LIBRARY_LOCATION=/home/oracle/oem/swlib
DATABASE_HOSTNAME=provide_your_hostname
LISTENER_PORT=1522
SERVICENAME_OR_SID=oemspark
SYS_PASSWORD=oracle
SYSMAN_PASSWORD=Welcome1
SYSMAN_CONFIRM_PASSWORD=Welcome1
DEPLOYMENT_SIZE=SMALL
AGENT_REGISTRATION_PASSWORD=Welcome1
AGENT_REGISTRATION_CONFIRM_PASSWORD=Welcome1
PLUGIN_SELECTION={}
b_upgrade=false
EM_INSTALL_TYPE=NOSEED
CONFIGURATION_TYPE=ADVANCED
CONFIGURE_SHARED_LOCATION_BIP=false
MANAGEMENT_TABLESPACE_LOCATION=/u01/app/oracle/oradata/OEMSPARK/mgmt.dbf
CONFIGURATION_DATA_TABLESPACE_LOCATION=/u01/app/oracle/oradata/OEMSPARK/mgmt_ecm_depot1.dbf
JVM_DIAGNOSTICS_TABLESPACE_LOCATION=/u01/app/oracle/oradata/OEMSPARK/mgmt_deepdive.dbf
Run the configuration using the response file we created in the above step, with the CLASSPATH unset.
Note: This might take couple of hours(5) to complete.
unset CLASSPATH
${MW_HOME}/sysman/install/ConfigureGC.sh -silent -responseFile /tmp/config.rsp
Once the installation completes, run the root scripts as the root user.
AgentConfiguration:agent configuration finished with status = true
2023-08-29_10-39-07PM: Configuration Assistant “Agent Configuration Assistant” has Succeeded.
*** The Installation was Successful. ***
Start the oracle management server.
OEM login URL is https://provide_your_hostname:7803/em
