'\" t
.\"     Title: pam_lastlog
.\"    Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
.\"      Date: 06/04/2011
.\"    Manual: Linux-PAM Manual
.\"    Source: Linux-PAM Manual
.\"  Language: English
.\"
.TH "PAM_LASTLOG" "8" "06/04/2011" "Linux-PAM Manual" "Linux\-PAM Manual"
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.SH "NAME"
pam_lastlog \- PAM module to display date of last login
.SH "SYNOPSIS"
.HP \w'\fBpam_lastlog\&.so\fR\ 'u
\fBpam_lastlog\&.so\fR [debug] [silent] [never] [nodate] [nohost] [noterm] [nowtmp] [noupdate] [showfailed]
.SH "DESCRIPTION"
.PP
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\&.
.PP
Some applications may perform this function themselves\&. In such cases, this module is not necessary\&.
.SH "OPTIONS"
.PP
\fBdebug\fR
.RS 4
Print debug information\&.
.RE
.PP
\fBsilent\fR
.RS 4
Don\*(Aqt inform the user about any previous login, just update the
/var/log/lastlog
file\&.
.RE
.PP
\fBnever\fR
.RS 4
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\&.
.RE
.PP
\fBnodate\fR
.RS 4
Don\*(Aqt display the date of the last login\&.
.RE
.PP
\fBnoterm\fR
.RS 4
Don\*(Aqt display the terminal name on which the last login was attempted\&.
.RE
.PP
\fBnohost\fR
.RS 4
Don\*(Aqt indicate from which host the last login was attempted\&.
.RE
.PP
\fBnowtmp\fR
.RS 4
Don\*(Aqt update the wtmp entry\&.
.RE
.PP
\fBnoupdate\fR
.RS 4
Don\*(Aqt update any file\&.
.RE
.PP
\fBshowfailed\fR
.RS 4
Display number of failed login attempts and the date of the last failed attempt from btmp\&. The date is not displayed when
\fBnodate\fR
is specified\&.
.RE
.SH "MODULE TYPES PROVIDED"
.PP
Only the
\fBsession\fR
module type is provided\&.
.SH "RETURN VALUES"
.PP
.PP
PAM_SUCCESS
.RS 4
Everything was successful\&.
.RE
.PP
PAM_SERVICE_ERR
.RS 4
Internal service module error\&.
.RE
.PP
PAM_USER_UNKNOWN
.RS 4
User not known\&.
.RE
.SH "EXAMPLES"
.PP
Add the following line to
/etc/pam\&.d/login
to display the last login time of an user:
.sp
.if n \{\
.RS 4
.\}
.nf
    session  required  pam_lastlog\&.so nowtmp
      
.fi
.if n \{\
.RE
.\}
.SH "FILES"
.PP
/var/log/lastlog
.RS 4
Lastlog logging file
.RE
.SH "SEE ALSO"
.PP

\fBpam.conf\fR(5),
\fBpam.d\fR(5),
\fBpam\fR(7)
.SH "AUTHOR"
.PP
pam_lastlog was written by Andrew G\&. Morgan <morgan@kernel\&.org>\&.