How can I view the history of users unsuccessful logins ?
The lastb command is able to show a list of failed users logins since the creation date of the /var/log/btmp
file. The /var/log/btmp
file is a binary file which can not be viewed with a normal text editor.
This is not enabled by default, but can be enabled with the commands:
# touch /var/log/btmp
# chmod 640 /var/log/btmp
From thi...
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