06-04-2007
Hi,
1. Can I safely cat wtmp, utmp, wtmpx, utmpx & lastlog without causing any log-in/system problems as these files are growing?
2. My tmp is filling up only over week-end (Sunday). I have been monitoring durring the week and /tmp/ does not change in size; its only on Sunday.
The HUGE file being created is CroutSHBa0004R. This contains lines :-
var/opt/K/SCO/Unix/5.0.5Eb/etc/default/filesys does not exit
var/opt/K/SCO/Unix/5.0.5Eb/etc/default/format does not exit
var/opt/K/SCO/Unix/5.0.5Eb/etc/default/goodpw does not exit
var/opt/K/SCO/Unix/5.0.5Eb/etc/default/login does not exit
etc
etc
etc
I don't understand as these files do exist.
Looking into the crontab file, the jobs that run on Sunday are:-
17 5 * * 0 /etc/cleanup > /dev/null
0 2 * * 0,4 /usr/lib/cron/logchecker
0 4 * * 0 /etc/custom -V syslinks;# CUSTOM_SYMLINK_REPORT
Thanks
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LEARN ABOUT NETBSD
lastlogx
UTMPX(5) BSD File Formats Manual UTMPX(5)
NAME
utmpx, wtmpx, lastlogx -- user accounting database
SYNOPSIS
#include <utmpx.h>
DESCRIPTION
In contrast to utmp and wtmp, the extended databases in utmpx and wtmpx reserve more space for logging hostnames, and also information on a
process' ID, termination signal and exit status.
The <utmpx.h> header defines the structures and functions for logging user. Currently logged in users are tracked in /var/run/utmpx, a list
of all logins and logouts, as well as all shutdowns, reboots and date changes, is kept in /var/log/wtmpx, and the last login of each user is
noted in /var/log/lastlogx.
The interface to the utmpx file is described in getutxent(3).
The wtmpx file can grow rapidly on busy systems, and is normally rotated with newsyslog(8).
In the event of a date change, a shutdown, or a reboot, the following items are logged in the wtmpx file:
date The system time has been manually or automatically updated by date(1). The command name date is recorded in the field
ut_name. In the field ut_line, the character '|' indicates the time prior to the change, and the character '{' indicates
the new time.
reboot
shutdown A system reboot or shutdown has been initiated. The character '~' is placed in the field ut_line, and reboot or shutdown
in the field ut_name (see shutdown(8) and reboot(8)), using logwtmpx(3).
FILES
/var/run/utmpx The utmpx file.
/var/log/wtmpx The wtmpx file.
/var/log/lastlogx The lastlogx file.
SEE ALSO
last(1), login(1), rwho(1), w(1), who(1), endutxent(3), logwtmpx(3), utmp(5), ac(8), init(8), newsyslog(8), reboot(8)
BSD
January 31, 2007 BSD