linux 查看、关闭 ssh pts/n登录的用户

1、查看登录用户：

[root@localhost ~]# w
 10:36:31 up  6:35,  3 users,  load average: 1.83, 3.14, 2.69
USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
root     pts/0    192.168.6.199    09:59    7.00s  0.06s  0.00s w
root     pts/1    192.168.6.225    10:36   23.00s  0.04s  0.04s -bash

2、通知用户：

[root@localhost ~]# echo -e '\033[31mI will close your connection!!!\033[0m' >/dev/pts/1

3、用户界面：

4、关闭用户连接：

[root@localhost ~]# fuser -k /dev/pts/1