Starting Cloud Control and All Its Components

1. Set the ORACLE_HOME environment variable to the Management Repository database home directory.
   
2. Set the ORACLE_SID environment variable to the Management Repository database SID
   
3. Start the Net Listener:
   

   $ORACLE_HOME/bin/lsnrctl start <listener name>
   

4. Start the Management Repository database instance:
   

   $ORACLE_HOME/bin/sqlplus /nolog
   SQL> connect SYS as SYSDBA
   SQL> startup
   SQL> quit

   Start the Oracle Management Service 
   $OMS_HOME/bin/emctl start oms
   Change directory to the home directory for the Oracle Management Agent and start the Management Agent:
   
   $AGENT_HOME/bin/emctl start agent

  5. Start webtier

-bash-3.2$ ./opmnctl startall
opmnctl startall: starting opmn and all managed processes...