Oracle Sysman Account modification em can't get into the problem

Just the following steps

[Email protected] ~]$ Emctl setpasswd dbconsole

Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0

Copyright (c) 1996, Oracle Corporation. All rights reserved.

Https://DB-MASTER-1:1158/em/console/aboutApplication

Please enter new repository password:

Repository password successfully updated.

[Email protected] ~]$ Emctl secure Dbconsole-sysman_pwd Oracle

Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0

Copyright (c) 1996, Oracle Corporation. All rights reserved.

Https://DB-MASTER-1:1158/em/console/aboutApplication

Dbconsole already stopped ... Done.

Agent is already stopped ... Done.

Securing Dbconsole ... Started.

Securing Dbconsole ... Sucessful.

[Email protected] ~]$ emctl status Dbconsole

Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0

Copyright (c) 1996, Oracle Corporation. All rights reserved.

Https://DB-MASTER-1:1158/em/console/aboutApplication

Oracle Enterprise Manager 11g is not running.

[Email protected] ~]$ emctl start dbconsole

Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0

Copyright (c) 1996, Oracle Corporation. All rights reserved.

Https://DB-MASTER-1:1158/em/console/aboutApplication

Starting Oracle Enterprise Manager 11g Database Control ... started.

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Logs is generated in Directory/opt/oracle/product/11.2.0/db/db-master-1_orcl/sysman/log

Oracle Sysman Account modification em can't get into the problem