linux查看在线用户并踢出

1、查看在线用户

• w
  [root@dbserver01 ~]# w
  16:45:04 up 16 days, 8:48, 1 user, load average: 0.08, 0.07, 0.05
  USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
  oracle pts/0 192.168.1.116 15:18 0.00s 1:16 0.03s sshd: oracle [priv]

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2.查看用户登录历史

• last
  oracle pts/0 192.168.1.116 Mon Jul 1 15:18 still logged in
  oracle pts/0 192.168.1.116 Tue Jun 25 17:39 - 18:04 (00:25)
  oracle pts/0 192.168.1.116 Tue Jun 25 17:13 - 17:14 (00:00)
  oracle pts/1 192.168.1.116 Tue Jun 25 15:05 - 15:07 (00:01)
  oracle pts/0 192.168.1.116 Tue Jun 25 11:20 - 15:12 (03:51)

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3.踢出用户

pkill -KILL -t pts/0  #pts/0为w指令看到的用户终端号

 或者：

2)查询某个登录用户的所有进程
[root@firewall ~]# ps -ef | grep pts/0
root      3140 2070 0 23:19 ?        00:00:00 sshd: root@pts/0
root      3142 3140 0 23:19 pts/0    00:00:00 -bash
root      3195 3142 0 23:24 pts/0    00:00:00 ps -ef
root      3196 3142 0 23:24 pts/0    00:00:00 grep pts/0
(3)干掉登录用户Shell 进程

kill -9 3142