oracle em 出现问题

1) Set the environment variable ORACLE_UNQNAME to Database unique name
    set ORACLE_UNQNAME=$ORACLE_SID(如orcl)
2) /opt/oracle/product/11.2.0/db_1/bin/emctl start dbconsole

tabase Control execute the following command(s):

1) Set the environment variable ORACLE_SID to orcl
2) /opt/oracle/product/11.2.0/db_1/bin/emctl stop dbconsole
3) /opt/oracle/product/11.2.0/db_1/bin/emctl config emkey -repos -sysman_pwd < Password for SYSMAN user > 
4) /opt/oracle/product/11.2.0/db_1/bin/emctl secure dbconsole -sysman_pwd < Password for SYSMAN user > 
5) /opt/oracle/product/11.2.0/db_1/bin/emctl start dbconsole