Below are the steps for changing the sysman password for oracle 12c cloud control.
1. update the passwordn using emctl config
syntax – ./emctl config oms -change_repos_pwd -use_sys_pwd -sys_pwd <sys password> -new_pwd < new sysman password>
oracle@bttstdev64:...ta/app/oracle/oms12cr5/oms/bin$ ./emctl config oms -change_repos_pwd -use_sys_pwd -sys_pwd oracle1234 -new_pwd oracle1234 Oracle Enterprise Manager Cloud Control 12c Release 5 Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved. Changing passwords in backend ... Passwords changed in backend successfully. Updating repository password in Credential Store... Successfully updated Repository password in Credential Store. Restart all the OMSs using 'emctl stop oms -all' and 'emctl start oms'. Successfully changed repository password.
2. Stop the OMS
oracle@bttstdev64:...ta/app/oracle/oms12cr5/oms/bin$ ./emctl stop oms -all Oracle Enterprise Manager Cloud Control 12c Release 5 Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved. Stopping WebTier... WebTier Successfully Stopped Stopping Oracle Management Server... Oracle Management Server Successfully Stopped AdminServer Successfully Stopped Oracle Management Server is Down
oracle@bttstdev64:...ta/app/oracle/oms12cr5/oms/bin$ ./emctl start oms Oracle Enterprise Manager Cloud Control 12c Release 5 Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved. Starting Oracle Management Server... Starting WebTier... WebTier Successfully Started Oracle Management Server Successfully Started Oracle Management Server is Up oracle@bttstdev64:...ta/app/oracle/oms12cr5/oms/bin$ oracle@bttstdev64:...ta/app/oracle/oms12cr5/oms/bin$ ./emctl status oms Oracle Enterprise Manager Cloud Control 12c Release 5 Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved. WebTier is Up
