linux平台中在线强制踢出用户

steps

1.查看在线用户
w

[root@r6-24 ~]# w
 07:48:02 up 22 min,  2 users,  load average: 0.00, 0.00, 0.00
USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
root     pts/0    172.24.20.1      07:27    0.00s  0.02s  0.01s w
mvp      pts/1    172.24.20.1      07:29   18:49   0.00s  0.00s -bash

2.强制踢掉tty/pys
skill -kill -t pts/1
or
pkill -kill -t tty


[root@r6-24 ~]# skill -kill -t pts/1
[root@r6-24 ~]# w
 07:54:35 up 29 min,  1 user,  load average: 0.00, 0.02, 0.00
USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
root     pts/0    172.24.20.1      07:27    0.00s  0.03s  0.00s w


3.删除系统上用户

#杀掉非法用户所启动的进程
kill  -9  `lsof   -u  mvp`

#删除非法用户xxx及其主目录
userdel -r mvp