By using rdist command, one can copy Oracle's password file from primary site to physical standby site. Even if the SYS password is same on both the servers, you must copy the password file from primary to standby.

Step 1
install rsh-server package on both the servers.

Step 2
#vi /etc/xinetd.d/rlogin
disable=no

Step 3
#service xinetd restart

Step 4
$cd $ORACLE_HOME/dbs
$rdist -c orapwcoretest oracle@:/opt/app/oracle/product/11.2.0/dbhome_1/dbs/orapwcoretest

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