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Questions tagged [btmp]

btmp records failed login attempts.

utmp, wtmp, btmp and variants such as utmpx, wtmpx and btmpx are files on Unix-like systems that keep track of all logins and logouts to the system.

And btmp records failed login attempts.

you can use last -f /var/log/btmp command to view last failed login attempts.

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utmp, wtmp and btmp: what is the 'tmp'

From the earlier question: why are utmp, wtmp and btmp called as they are? I would like to now what the 'tmp' part is. Is it 'temp/temporary'. As you can see from the earlier question, that part wasn't answered.
bitofagoob
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What can cause a non-zero session length time in /var/log/btmp?

/var/log/btmp, the log read by default by the lastb command, stores information about failed login attempts. I'm looking at a snippet of a file and seeing what I understand to be minutes of logged-in time: [#]> last -f /var/log/btmp.1 -10 test …
Xiong Chiamiov
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why is btmp not showing the username of logged in users?

I am trying to compare the output of the btmp file and who -a commands. I don't know why, but btmp file currently is not showing the username but its showing UNKNOWN in the username field. I am (username:debian) logged in that session. Please…
Raja G
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