25--Linux踢出其他正在SSH登陆用户

pkill详解
一：含义：
是ps命令和kill命令的结合,按照进程名来杀死指定进程，pkill和killall应用方法差不多，也是直接杀死运行中的程序；如果您想杀掉单个进程，请用kill来杀掉。

二：语法：
pkill(选项)(参数)

```
Usage:
 pkill [options] <pattern>

Options:
 -<sig>, --signal <sig>    signal to send (either number or name)
 -e, --echo                display what is killed
 -c, --count               count of matching processes
 -f, --full                use full process name to match
 -g, --pgroup <id,...>     match listed process group IDs
 -G, --group <gid,...>     match real group IDs
 -n, --newest              select most recently started
 -o, --oldest              select least recently started
 -P, --parent <ppid,...>   match only child processes of the given parent
 -s, --session <sid,...>   match session IDs
 -t, --terminal <tty,...>  match by controlling terminal
 -u, --euid <id,...>       match by effective IDs
 -U, --uid <id,...>        match by real IDs
 -x, --exact               match exactly with the command name
 -F, --pidfile <file>      read PIDs from file
 -L, --logpidfile          fail if PID file is not locked
 --ns <pid>                match the processes that belong to the same
                           namespace as <pid>
 --nslist <ns,...>         list which namespaces will be considered for
                           the --ns option.
                           Available namespaces: ipc, mnt, net, pid, user, uts

-h, --help     display this help and exit
 -V, --version  output version information and exit
``` 
使用：
```
#查看用哪个用户登录
ubuntu@ubuntu-System-Product-Name:b$ w
 13:21:26 up 115 days,  3:24,  2 users,  load average: 1.06, 1.60, 2.36
USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
ubuntu   pts/8    10.27.65.10      12:41    7.00s  0.57s  0.01s sshd: ubuntu [priv] 
ubuntu   pts/2    10.27.65.142     08 4月19  2days  5.77s  5.77s -bash
#发现两个登录，都是登录的ubuntu用户， 运行如下命令杀掉pts进程
ubuntu@ubuntu-System-Product-Name:$ pkill -kill -t pts/2
#再查看发现只有一个了。
ubuntu@ubuntu-System-Product-Name:$ w
 13:22:07 up 115 days,  3:25,  1 user,  load average: 1.01, 1.52, 2.30
USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
ubuntu   pts/8    10.27.65.10      12:41    5.00s  0.58s  0.01s sshd: ubuntu [priv] 
```

#参考文章：
【1】[pkill详解](http://www.mamicode.com/info-detail-2315063.html)
【2】[Linux踢出其他正在SSH登陆用户](https://www.linuxidc.com/Linux/2014-01/94573.htm)

Ronny 's Blog

Navigation

Recent Posts

Friend Links