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'\" t
.\" Title: pam_lastlog2
.\" Author: [see the "AUTHOR(S)" section]
.\" Generator: Asciidoctor 2.0.20
.\" Date: 2024-03-20
.\" Manual: System Administration
.\" Source: util-linux 2.40
.\" Language: English
.\"
.TH "PAM_LASTLOG2" "8" "2024-03-20" "util\-linux 2.40" "System Administration"
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.SH "NAME"
pam_lastlog2 \- PAM module to display date of last login
.SH "SYNOPSIS"
.sp
\fBpam_lastlog2.so\fP [debug] [silent] [silent_if=<services>] [database=<file>]
.SH "DESCRIPTION"
.sp
pam_lastlog2 is a PAM module to display a line of information about the last login of the user. The module uses the /var/lib/lastlog/lastlog2.db database file to store all informations.
.sp
Compared to pam_lastlog this PAM module is Y2038 safe and uses sqlite3 to store the information.
.SH "OPTIONS"
.sp
\fBdebug\fP
.RS 4
Print debug information.
.RE
.sp
\fBsilent\fP
.RS 4
Avoid all messages except errors and don\(cqt inform the user about any previous login, only update the /var/lib/lastlog/lastlog2.db database.
.RE
.sp
\fBsilent_if=<services>\fP
.RS 4
The argument \fBservices\fP is a comma separated list of PAM services. If a service is listed here, the last login message will not be shown.
.RE
.sp
\fBdatabase=<file>\fP
.RS 4
Use \fBfile\fP instead of /var/lib/lastlog/lastlog2.db.
.RE
.SH "MODULE TYPES PROVIDED"
.sp
The \fBsession\fP module type is provided for displaying the information about the last login and updating the lastlog file.
.SH "RETURN VALUES"
.sp
\fBPAM_SUCCESS\fP
.RS 4
Everything was successful.
.RE
.sp
\fBPAM_SERVICE_ERR\fP
.RS 4
Internal service module error. This includes error reading from or writing to the database.
.RE
.sp
\fBPAM_USER_UNKNOWN\fP
.RS 4
User not known.
.RE
.sp
\fBPAM_IGNORE\fP
.RS 4
Returned by service types which do nothing.
.RE
.SH "EXAMPLES"
.sp
Add the following line to e.g. /etc/pam.d/login to display the last login time of a user:
.sp
session optional pam_lastlog2.so silent_if=gdm,gdm\-password
.sp
It is up to the administrator to decide if the user can login (optional/required) when
pam_lastlog2 has returned an error.
.SH "AUTHOR"
.sp
pam_lastlog2 was written by Thorsten Kukuk \c
.MTO "kukuk\(atsuse.com" "" "."
.SH "SEE ALSO"
.sp
\fBliblastlog2\fP(3), \fBpam.conf\fP(5), \fBpam.d\fP(5), \fBpam\fP(8)
.SH "REPORTING BUGS"
.sp
For bug reports, use the issue tracker at \c
.URL "https://github.com/util\-linux/util\-linux/issues" "" "."
.SH "AVAILABILITY"
.sp
The \fBpam_lastlog2\fP library is part of the util\-linux package since version 2.40. It can be downloaded from \c
.URL "https://www.kernel.org/pub/linux/utils/util\-linux/" "Linux Kernel Archive" "."
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