cirros-testvm/src-cirros/buildroot-2015.05/package/util-linux/su.pam

   1 auth            sufficient      pam_rootok.so
   2 auth            required        pam_wheel.so use_uid
   3 auth            required        pam_env.so
   4 auth            required        pam_unix.so nullok
   5
   6 account         required        pam_unix.so
   7
   8 password        required        pam_unix.so nullok
   9
  10 session         required        pam_limits.so
  11 session         required        pam_env.so
  12 session         required        pam_unix.so
  13 session         optional        pam_lastlog.so