02-03-2014
That request will work only for files having exactly (n * 1000) + 150 records. Are you sure you can guarantee that condition? And, what if the file has 999 records?
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LEARN ABOUT CENTOS
faillock
FAILLOCK(8) Linux-PAM Manual FAILLOCK(8)
NAME
faillock - Tool for displaying and modifying the authentication failure record files
SYNOPSIS
faillock [--dir /path/to/tally-directory] [--user username] [--reset]
DESCRIPTION
The pam_faillock.so module maintains a list of failed authentication attempts per user during a specified interval and locks the account in
case there were more than deny consecutive failed authentications. It stores the failure records into per-user files in the tally
directory.
The faillock command is an application which can be used to examine and modify the contents of the the tally files. It can display the
recent failed authentication attempts of the username or clear the tally files of all or individual usernames.
OPTIONS
--dir /path/to/tally-directory
The directory where the user files with the failure records are kept. The default is /var/run/faillock.
--user username
The user whose failure records should be displayed or cleared.
--reset
Instead of displaying the user's failure records, clear them.
FILES
/var/run/faillock/*
the files logging the authentication failures for users
SEE ALSO
pam_faillock(8), pam(8)
AUTHOR
faillock was written by Tomas Mraz.
Linux-PAM Manual 06/17/2014 FAILLOCK(8)