pam_lastlog.so  [
	debug
      ] [
        silent
      ] [
        never
      ] [
        nodate
      ] [
        nohost
      ] [
        noterm
      ] [
        nowtmp
      ]
      pam_lastlog is a PAM module to display a line of information
      about the last login of the user. In addition, the module maintains
      the /var/log/lastlog file.
    
Some applications may perform this function themselves. In such cases, this module is not necessary.
debug
        Print debug information.
silent
        
            Don't inform the user about any previous login,
            just upate the /var/log/lastlog file.
          
never
        
            If the /var/log/lastlog file does
            not contain any old entries for the user, indicate that
            the user has never previously logged in with a welcome
            message.
          
nodate
        Don't display the date of the last login.
noterm
        Don't display the terminal name on which the last login was attempted.
nohost
        Don't indicate from which host the last login was attempted.
nowtmp
        Don't update the wtmp entry.
Everything was successfull.
Internal service module error.
User not known.
      Add the following line to /etc/pam.d/login to
      display the last login time of an user:
    
    session  required  pam_lastlog.so nowtmp