Jul 03, 2009

Reviewing logins on Linux | Network World $ last -f /var/log/wtmp.1 jdoe Note that the previous wtmp file on your system may not be wtmp.1. Some systems name the older files using date stamps like wtmp-2018-01-02. Check /var/log before Set permission on dmesg, wtmp log files - Red Hat Customer /var/log/wtmp {monthly create 0600 root utmp minsize 1M rotate 1} MB. Started 2017-10-10T15:43:55+00:00 by. Mike Brooker. Community Member 82 points. Log in to join the conversation . Responses . MK Guru 2032 points. 11 October 2017 2:33 AM . Matti Kurkela. In 372 – Missing "lastlog" rotation in /etc/logrotate.conf

The tools are last (for wtmp) and lastb (for btmp). Excessive failures to login (especially root) could be a security problem. Once you scan (and extract) for useful info, you can zero out the files (they are binary so vi and ASCII tools won't work). Note that wtmp amd btmp are only good for one year as they do not have the year stored.

Managing /var/adm/wtmp in AIX? What is the best way to manage /var/adm/wtmp? I have several AIX servers where this file is getting rather large. I am trying to determine the best way to manage it. I come from a Solaris background and miss logadm. On a related note, is it possible to not log a specific user account to wtmp? Or, is there an easy way to remove a specific user's

Oct 02, 2007 · I’d like to discover information about who is currently using the system. When a user logs in what files are updated in UNIX / Linux? Linux / UNIX have utmp and wtmp files to keep login records. Following three files keeps track of all logins and logouts to the system.

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