lastb:显示用户登录失败的记录
简介lastb命令用于显示用户登录失败日志记录。从日志文件/var/log/btmp读取信息。
说明
lastb命令用于显示用户登录失败日志记录。从日志文件/var/log/btmp读取信息。
格式
lastb [option]
常用参数
- -n:显示指定结果的行数,其实也可以省略该参数
示例
[root@localhost ~]# lastb
skip ssh:notty 192.168.71.107 Sat May 12 16:57 - 16:57 (00:00)
skip ssh:notty 192.168.71.107 Sat May 12 16:56 - 16:56 (00:00)
skip ssh:notty 192.168.71.107 Sat May 12 16:55 - 16:55 (00:00)
(unknown tty1 Sat May 5 13:30 - 13:30 (00:00)
root tty1 Sat May 5 13:30 - 13:30 (00:00)
btmp begins Sat May 5 13:30:09 2018
[root@localhost ~]# lastb -3
skip ssh:notty 192.168.71.107 Sat May 12 16:57 - 16:57 (00:00)
skip ssh:notty 192.168.71.107 Sat May 12 16:56 - 16:56 (00:00)
skip ssh:notty 192.168.71.107 Sat May 12 16:55 - 16:55 (00:00)
btmp begins Sat May 5 13:30:09 2018
[root@localhost ~]# lastb -n 2
skip ssh:notty 192.168.71.107 Sat May 12 16:57 - 16:57 (00:00)
skip ssh:notty 192.168.71.107 Sat May 12 16:56 - 16:56 (00:00)
btmp begins Sat May 5 13:30:09 2018