.\" Title: pam_lastlog
.\" Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets v1.74.0
.\" Date: 06/16/2009
.\" Manual: Linux-PAM Manual
.\" Source: Linux-PAM Manual
.\" Language: English
.\"
.TH "PAM_LASTLOG" "8" "06/16/2009" "Linux-PAM Manual" "Linux\-PAM Manual"
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.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "Name"
pam_lastlog \- PAM module to display date of last login
.SH "Synopsis"
.fam C
.HP \w'\fBpam_lastlog\&.so\fR\ 'u
\fBpam_lastlog\&.so\fR [debug] [silent] [never] [nodate] [nohost] [noterm] [nowtmp] [noupdate] [showfailed]
.fam
.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
\FC/var/log/lastlog\F[]
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\'t inform the user about any previous login, just update the
\FC/var/log/lastlog\F[]
file\&.
.RE
.PP
\fBnever\fR
.RS 4
If the
\FC/var/log/lastlog\F[]
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\'t display the date of the last login\&.
.RE
.PP
\fBnoterm\fR
.RS 4
Don\'t display the terminal name on which the last login was attempted\&.
.RE
.PP
\fBnohost\fR
.RS 4
Don\'t indicate from which host the last login was attempted\&.
.RE
.PP
\fBnowtmp\fR
.RS 4
Don\'t update the wtmp entry\&.
.RE
.PP
\fBnoupdate\fR
.RS 4
Don\'t 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
\FC/etc/pam\&.d/login\F[]
to display the last login time of an user:
.sp
.if n \{\
.RS 4
.\}
.fam C
.ps -1
.nf
.if t \{\
.sp -1
.\}
.BB lightgray adjust-for-leading-newline
.sp -1
session required pam_lastlog\&.so nowtmp
.EB lightgray adjust-for-leading-newline
.if t \{\
.sp 1
.\}
.fi
.fam
.ps +1
.if n \{\
.RE
.\}
.SH "FILES"
.PP
\FC/var/log/lastlog\F[]
.RS 4
Lastlog logging file
.RE
.SH "SEE ALSO"
.PP
\fBpam.conf\fR(5),
\fBpam.d\fR(5),
\fBpam\fR(8)
.SH "AUTHOR"
.PP
pam_lastlog was written by Andrew G\&. Morgan \&.