linux查看上次登录用户

linux查看上次登录用户

  • /var/log/wtmp
    记录每个用户的登录次数和持续时间等信息

可以用last命令输出当中内容:

debian:/var/log# last
debian   pts/9        221.215.176.148  Thu Oct 17 10:15   still logged in   
debian   pts/8        221.215.176.148  Thu Oct 17 09:56   still logged in   
debian   pts/7        221.215.176.148  Thu Oct 17 09:32 - 10:44  (01:12)    
root     pts/5        114.255.31.253   Thu Oct 17 09:30 - 10:20  (00:50)    
root     pts/4        114.255.31.253   Thu Oct 17 09:30 - 10:20  (00:50)  
  • /var/log/btmp
    记录的登入系统失败的用户名单

可以用lastb命令输出当中内容:

[root@localhost ~]# lastb -n 10
root     ssh:notty    43.226.153.168   Wed Feb  3 16:12 - 16:12  (00:00)    
root     ssh:notty    43.226.73.164    Wed Feb  3 16:11 - 16:11  (00:00)    
root     ssh:notty    43.226.153.168   Wed Feb  3 16:11 - 16:11  (00:00)    
root     ssh:notty    43.226.153.168   Wed Feb  3 16:09 - 16:09  (00:00)    
root     ssh:notty    43.226.73.164    Wed Feb  3 16:09 - 16:09  (00:00)    
root     ssh:notty    43.226.153.168   Wed Feb  3 16:08 - 16:08  (00:00)    
root     ssh:notty    43.226.153.168   Wed Feb  3 16:07 - 16:07  (00:00)    
root     ssh:notty    43.226.73.164    Wed Feb  3 16:07 - 16:07  (00:00)    
root     ssh:notty    43.226.153.168   Wed Feb  3 16:06 - 16:06  (00:00)    
root     ssh:notty    43.226.153.168   Wed Feb  3 16:05 - 16:05  (00:00)

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