Enterprise Manager Configuration Assistant - Oracle 10g/11g Data and Database Management Utilities - page 343

Once the process is finished the Database URL is displayed for the user to verify
the new URL has the correct http port.

EMCA Command Line Interface
The EMCA has several command line parameters that allow you to fully configure
your Enterprise Manager environment. The EMCA's Syntax takes up to four kinds
of parameters, the Operation to be performed, the Mode of the command, the Flags ,
where required, and a list of optional Parameters . This line requires more or less
parameters depending on the command to be issued.

EMCA Syntax
emca [operation] [mode] [flags] [parameters]

help, h
version
config
deconfig
displayConfig
addinst
deleteInst
reconfig
upgrade
restore

General
Backup
ASM
Cluster

dbcontrol
centralAgent
all
ports

db
asm
db_asm
repos create
repos drop
cluster
silent
backup

General command-line
-respFile
-SID
-PORT
-ORACLE_HOME
-LISTENER_OH
-EMAIL_ADDRESS
-MAIL_SERVER_NAME
-DBSNMP_PWD
-SYSMAN_PWD
-SYS_PWD
-SRC_OH
-DBCONTROL_HTTP_PORT
-AGENT_PORT
-RMI_PORT
-JMS_PORT

ASM
-ASM_OH
-ASM_SID
-ASM_PORT
-ASM_USER_ROLE
-ASM_USER_NAME
-ASM_USER_PWD

Backup
-HOST_USER
-HOST_USER_PWD
-BACKUP_SCHEDULE

Clustered Databases

-CLUSTER_NAME
-DB_UNIQUE_NAME
-EM_NODE
-EM_SID_LIST
-SERVICE_NAME