elias, thanks for the help!!

Is it possible to remove a login entry from the wtmp file? How to log only iptables messages into my /var/log/iptables.log?

Kazakh / Қазақша

Finnish / Suomi because of systemd flooding /var/log/messages ) then you should use a syslogd that allows filtering it (rsyslogd for example).

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this attached photo is send to me from Arcsight admin can you please advice Join your peers on the Internet's largest technical computer professional community.It's easy to join and it's free. last -f /var/log/btmp. I was wondering if there is a... dear all Does ODE uniqueness unconditionally implies the flow continuity? When the number of reports reaches the threshold, the comment will removed from live site and return to the moderation queue.

Podcast 282: Stack Overflow’s CEO reflects on his first year, Uptime and who -b are showing different times when the system was last booted on Linux, Difference between the sshd open & close entries in /var/log/secure and the log in & out entries in /var/log/wtmp. HELP!

-rw-r–r–. Here is the thing.. if u delete the login details, you are logged into /var/log/messages. Note that there may be files named as wtmp.1, wtmp.2 wtmp.3, wtmp.4, btmp.1, btmp.2, btmp.3, btmp.4, which are the backup archives, and can be safely removed or deleted. I wander if there are some mistakes configuring the workstation.

In any case, the proper way to clear and reset wtmp and btmp files is by piping a blank input to the file, overwriting and replace all existing content. Czech / Čeština lmao, maybe simplier lastlog --clear or lastlog -C. Your email address will not be published.

Logout and then again login with that username/password, you can see that now there is no more last login information appears. /dev/sda is not an alias in any form to a log file! Somewhere in the bowels of the system, there is a log for just about everything you can think of. Is it possible to customize this to update su information also into lastlogin ?

Thatis it. The messages file is missing...how do I get it back and start logging the messages?? Checking last logins with lastlog. If you really need to filter out log messages whether it is /var/log/messages or not (e.g.

These ftp sessions are being logged in /var/adm/wtmpx and filling up the file.

A simple C program will give you the size of a utmp record. First make a backup of /var/log/lastlog: # cp /var/log/lastlog /root.

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The command that can be used has the syntax like below: cat /dev/null > /var/log/wtmp. Why would I ever need a backup of such creepy ass*ole file as lastlog? Linux and other Unix-like operating systems such as MacOS are very good at logging.

post) is rather hard to decipher (at least for my tired head although I don’t think it’s only that). I have a solaris 10 machine, lately I had a drive error issue so the dmesg command would show a screen full, now that the drive issue is resolved I want to have a fresh start for my #dmesg command output. Slovak / Slovenčina 1 root root 41G Aug 24 16:28 lastlog -rw-r–r– 1 root root 41M Aug 24 16:35 lastlog.gz. The command that can be used has the syntax like below: Note: Change the path and file name (i.e. Editing the file won’t help as it’s hashed. Arabic / عربية

# cat > /var/log/lastlog.

And what the hell to the moderator here ? Last Activity: 23 December 2009, 10:31 PM EST, Last Activity: 28 October 2019, 4:59 PM EDT, Location: In the leftmost byte of /dev/kmem, candlejack is correct. How does Linux system synchronize wtmp and /var/run/utmp?

Korean / 한국어 The lastlog command shows the most recent login of all users or of a given user. Should it be approved once more by a moderator, the comment will not be returned to pending status regardless of further reports, but the reports will continue to be counted. Tags.

There are numerous suggestions to 1) Truncate/null/zero out the file or 2) Convert the file to ascii, trim some rows, convert the file back to binary and replace. Simply overwrite /var/log/lastlog file. By commenting, you are accepting the I do not want to clear the entire file.

In the case people don’t get banned for providing misleading information, you should add a clear warning: If you are a new user to Unix/Linux, ignore our slogan, please do not follow advice here unless checked by a trusted person with good understanding and knowledge of Unix/Linux, since some comments can and WILL damage at least your data.

The system only logs information into these files if they are present.

The wtmp file is a sequence of struct utmp records. Also, sorry about this defeating the purpose of the website.. That information, along with your comments, will be governed by

I've got a sun solaris 4.1.4 workstation, and the /var/adm/message file will add one row every few seconds. Forums. Just want to remove a login entry. It only takes a minute to sign up.

To see still logged in users view utmp file use last command.

The users’ login history is been logged and saved in wtmp file while faild login attempts is been stored in btmp file, both files usually located in /var/log directory. how do u stop this cycle ?

Chinese Simplified / 简体中文 So it will not empty the file. What prevents dragons from destroying or ruling Middle-earth?

Bosnian / Bosanski You can use the following command to clear wtmp/btmp: # >/var/log/wtmp # >/var/log/btmp, For more information see man pages – wtmp(5).

If you delete the that in message and command history , that is again logged rite ? Read more → That’s all! Validating ISBN-10s, with or without dashes in C++11, 30 year Groundhog day: Surviving High School over and over with sanity intact (ie how to avoid the repetitiveness of school life?).

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