last

一、作用

  用于显示用户最近登录信息

二、选项

• -d 将IP地址转换成主机名称

  三、实例

  ``` [root@localhost ~]# last -d -5 root pts/0 192.168.11.101 Fri Jun 17 16:44 still logged in
  root pts/2 192.168.11.101 Fri Jun 17 15:27 - 15:27 (00:00)
  root pts/1 gateway Fri Jun 17 15:09 still logged in
  root pts/3 gateway Thu Jun 16 22:05 - 22:27 (00:21)
  root pts/2 gateway Thu Jun 16 22:03 - 22:27 (00:23)

wtmp begins Sun Jun 5 07:00:59 2022 [root@localhost ~]#

```shell
[root@localhost ~]# last -5 -t 20220616000000
root     pts/0        192.168.11.254   Sat Jun 11 03:47    gone - no logout 
reboot   system boot  3.10.0-1062.el7. Sat Jun 11 03:42 - 16:54 (6+13:12)   
root     pts/0        192.168.11.254   Sat Jun 11 03:36 - crash  (00:05)    
reboot   system boot  3.10.0-1062.el7. Sat Jun 11 03:35 - 16:54 (6+13:19)   
root     pts/0        192.168.11.254   Fri Jun 10 19:30 - crash  (08:04)    

wtmp begins Sun Jun  5 07:00:59 2022