Check last successful/failed login user on Linux

1、查看当前系统的登录用户

w
who

2、查看成功登录历史记录

last -n

3、查看尝试登录失败的历史记录

lastb -n

4、显示每个用户的登陆信息

lastlog

utmpdump /var/log/wtmp

who /var/log/wtmp

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