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
Some applications may perform this function themselves. In such
cases, this module is not necessary.
If the module is called in the auth or account phase, the accounts
that were not used recently enough will be disallowed to log in. The
check is not performed for the root account so the root is never
Print debug information.
Don't inform the user about any previous login, just update the
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.
Don't display the date of the last login.
Don't display the terminal name on which the last login was
Don't indicate from which host the last login was attempted.
Don't update the wtmp entry.
Don't update any file.
Display number of failed login attempts and the date of the last
failed attempt from btmp. The date is not displayed when nodate
This option is specific for the auth or account phase. It
specifies the number of days after the last login of the user
when the user will be locked out by the module. The default value
The auth and account module type allows to lock out users which did
not login recently enough. The session module type is provided for
displaying the information about the last login and/or updating the
lastlog and wtmp files.
Everything was successful.
Internal service module error.
User not known.
User locked out in the auth or account phase due to inactivity.
There was an error during reading the lastlog file in the auth or
account phase and thus inactivity of the user cannot be
Add the following line to /etc/pam.d/login to display the last login
time of an user:
session required pam_lastlog.so nowtmp
To reject the user if he did not login during the previous 50 days
the following line can be used:
auth required pam_lastlog.so inactive=50
This page is part of the linux-pam (Pluggable Authentication Modules
for Linux) project. Information about the project can be found at
⟨https://fedorahosted.org/linux-pam/⟩. If you have a bug report for
this manual page, see ⟨https://fedorahosted.org/linux-pam/report⟩.
This page was obtained from the tarball Linux-PAM-1.3.0.tar.gz
fetched from ⟨http://www.linux-pam.org/library/⟩ on 2017-03-13. If
you discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for the
page, or you have corrections or improvements to the information in
this COLOPHON (which is not part of the original manual page), send a
mail to firstname.lastname@example.org
Linux-PAM Manual 04/01/2016 PAM_LASTLOG(8)