/etc/pam.d/sudo

/etc/pam.d/sudo

Error in Amazon Linux
Aug 16 13:34:59 master_server sudo: pam_unix(sudo:auth): auth could not identify password for [yourusername]

Solution: add this line to /etc/pam.d/sudo
auth       sufficient   pam_permit.so

See also

• PAM, libpam_cracklib, pam_tally2, /etc/pam.d/, /etc/pam.d/sshd, pam_oath, pam_sss, /etc/pam.d/login, pam_unix, pam_krb5