Hi,
I will explain Oracle Enterprise Manager Cloud Control architecture and installation in this article.
Enterprise Manager Cloud Control is Oracle’s most advanced and popular monitoring software. You can monitor Oracle Database , Listener, ASM , Exadata, Oracle Database Appliance, Servers, Goldengate, and even non-Oracle systems like SQL Server with Cloud Control.
Oracle Enterprise Manager Cloud Control or Oracle Management Server (OMS) is a central monitoring software. You can install this software on a server as follows and you can monitor all Databases, Servers, Goldengate , Exadata, Oracle Database Appliance etc. by adding Oracle, non Oracle systems, then generate alerts,warning and failures and and send them as Email.
Oracle Enterprise Manager Cloud Control 12c installation requires Oracle Database 11g or 12c , you can read following article to install Oracle database 12c. I wont explain installation of Oracle database 12c in this article.
You can download installation files for Oracle Enterprise Manager Cloud Control 12c linux from support or edelivery as follows.
After download of Cloud control installation files are completed, then unzip these files and execute runInstaller as follows.
Uncheck Security updates and skip them.
Prerequisite checks are done in this step, if there is no problem then click Next button.
Choose Create a new Enterprise Manager system as Advanced type.
Type Middleware home location, Agent base directory, OMS Hostname
You should choose required components and plugins in this step, they will be installed.
Type Weblogic username,password and Nodemanager passwords in this step.
Type database hostname, port, Service/SID and sys password informations
Default port of Enterprise manager cloud control components are like following, If you will change them, you can change it in this step.
Installation summary is like following, click Install button.
You should execute allroot.sh script on OMS Server like following.
# cd /u01/app/oracle/oms12cr2/oms # ./allroot.sh Starting to execute allroot.sh ......... Starting to execute /u01/app/oracle/oms12cr2/oms/root.sh ...... Running Oracle 11g root.sh script... The following environment variables are set as: ORACLE_OWNER= oracle ORACLE_HOME= /u01/app/oracle/oms12cr2/oms Enter the full pathname of the local bin directory: [/usr/local/bin]: The file "dbhome" already exists in /usr/local/bin. Overwrite it? (y/n) [n]: y Copying dbhome to /usr/local/bin ... The file "oraenv" already exists in /usr/local/bin. Overwrite it? (y/n) [n]: y Copying oraenv to /usr/local/bin ... The file "coraenv" already exists in /usr/local/bin. Overwrite it? (y/n) [n]: y Copying coraenv to /usr/local/bin ... Entries will be added to the /etc/oratab file as needed by Database Configuration Assistant when a database is created Finished running generic part of root.sh script. Now product-specific root actions will be performed. /etc exist Creating /etc/oragchomelist file... /u01/app/oracle/oms12cr2/oms Finished execution of /u01/app/oracle/oms12cr2/oms/root.sh ... Starting to execute /u01/app/oracle/agent12cr2/core/12.1.0.2.0/root.sh ... Finished product-specific root actions. /etc exist Finished execution of /u01/app/oracle/agent12cr2/core/12.1.0.2.0/root.sh ..
Installation is completed like following.
You can connect to Enterprise manager cloud control like following.
https://OMS_HOSTNAME.domainName:7802/em
Accept license aggrements and start using Enterprise manager Cloud control.
You can read following article if you want to stop and start Enterprise Manager Cloud control
https://ittutorial.org/how-to-start-and-stop-enterprise-manager-cloud-control-13c/