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I like to know where the log files that store the SSH logins are located, the last login IP is shown when logged in via SSH so I'm sure they are kept somewhere, can anyone shed som light on this?

System: Ubuntu 12.04.4 LTS

Thanks!

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1 Answer 1

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You can use the last command to view login logs:

last -d

Will, to quote the manual page:

For non-local logins, Linux stores not only the host name of the remote host but its IP number as well. This option translates the IP number back into a hostname.

There is also:

last -i

This option is like -d in that it displays the IP number of the remote host, but it displays the IP number in numbers-and-dots notation.

for more information run man last to view the manual page.

You can also use lastb, which will display only the bad login attempts:

sudo lastb

last reads from:

/var/log/wtmp

lastb reads from:

/var/log/btmp

You can also view the last successful login of a user with this:

lastlog -u USERNAME

which, if it is a ssh login, will display something like:

Last login: Thur Jan 02 09:52:12 2014 from 192.168.1.5
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Perfect, all I needed. –  user2028213 Jan 20 at 11:20

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