SYSMAN password change in OEM 13c

1.  Connect to the database(repository) server via ssh.
2. Describe ORACLE_SID and ORACLE_HOME variables.
3. Connect to the database without password and with sysdba privilege:

sqlplys / as sysdba

4. Change sys user password:

alter user sys identified by <sys password>;

…
1. Stop all OMS processes

cd /u01/app/oracle/OMS/fmw/bin/
emctl stop oms

2. Change the SYSMAN password:

cd <oms home>/bin
emctl config oms -change_repos_pwd -use_sys_pwd -sys_pwd <sys password> -new_pwd <new sysman password>

3. Stop the Admin Server on the primary OMS and restart OMS:

cd /t02/app/oracle/OMS/fmw/bin/
emctl stop oms -all
$ ./emctl start oms

4. Check that oms is up and running:

cd /t02/app/oracle/OMS/fmw/bin/

emctl status oms -details