[root@localhost ~]# w
#使用 w 命令查看当前所有远程连接此机器的用户
17:02:56 up 3:01, 3 users, load average: 0.00, 0.01, 0.05
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root tty1 14:01 56.00s 1.33s 0.00s -bash
root pts/0 192.168.211.2 17:02 0.00s 0.02s 0.00s w
root pts/1 192.168.211.2 17:02 8.00s 0.02s 0.02s -bash
[root@localhost ~]# whoami
root
#查看自己的用户号
[root@localhost ~]# who am i
root pts/0 2020-09-16 17:02 (192.168.211.2)
[root@localhost ~]# pkill -kill -t pts/1
#强制下线 pts/1 的这个用户
[root@localhost ~]# w
#查看是否成功
17:06:02 up 3:04, 2 users, load average: 0.00, 0.01, 0.05
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root tty1 14:01 1:46 1.76s 0.43s -bash
root pts/0 192.168.211.2 17:02 2.00s 0.05s 0.02s w
[root@localhost ~]#