To encrypt the password of the user cyrus using MD5 password encryption, change the following lines in the file /etc/pam.d/passwd from
password required /lib/security/pam_pwcheck.so nullok password required /lib/security/pam_unix.so nullok use_first_pass use_authtokto
password required /lib/security/pam_pwcheck.so nullok md5 password required /lib/security/pam_unix.so nullok md5 use_first_pass use_authtokThen change the administrator's password.