How to clear user login records in Linux

Today, I will talk to you about how to empty user login records in Linux, many people may not know much about it. In order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.

[root@localhost root] # echo > / var/log/wtmp this file is garbled when opened by default, and you can see ip and other information in it.

[root@localhost root] # echo > / var/log/wtmp

[root@localhost root] # last

The user login information is not visible at this time.

Clear the record of failure to log in to the system, that is, the record seen by the lastb command

[root@localhost root] # echo > / var/log/btmp this file is garbled when it is opened by default

[root@localhost root] # echo > / var/log/btmp

[root@localhost root] # lastb

At this point, there is no result output.

Clear history execution command

[root@localhost root] # history-c

Alternatively, just empty the file in the user directory

[root@localhost root] # echo >. / .bash _ history

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