[Linux] 超过最大用户登录数主动干掉连接

第一步，netstat命令把连接进程找出来

第二步，kill

前提：可以把登录的用户踢掉，用于测试环境

[root@xxx ~]# netstat -antp | egrep '10.88.88.166|PID'
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name
tcp        0      0 ::ffff:10.146.188.4:37164   ::ffff:10.88.88.166:22      ESTABLISHED 2014/java
tcp        0      0 ::ffff:10.146.188.4:37165   ::ffff:10.88.88.166:22      ESTABLISHED 2014/java
tcp        0      0 ::ffff:10.146.188.4:37162   ::ffff:10.88.88.166:22      ESTABLISHED 2014/java
tcp        0      0 ::ffff:10.146.188.4:37161   ::ffff:10.88.88.166:22      ESTABLISHED 2014/java
tcp        0      0 ::ffff:10.146.188.4:37163   ::ffff:10.88.88.166:22      ESTABLISHED 2014/java
[root@xxx ~]#
[root@xxx ~]# kill 2014
[root@xxx ~]# netstat -antp | egrep '10.88.88.166|PID'
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name
tcp        0      0 ::ffff:10.146.188.4:37164   ::ffff:10.88.88.166:22      TIME_WAIT   -
tcp        0      0 ::ffff:10.146.188.4:37165   ::ffff:10.88.88.166:22      TIME_WAIT   -
tcp        0      0 ::ffff:10.146.188.4:37162   ::ffff:10.88.88.166:22      TIME_WAIT   -
tcp        0      0 ::ffff:10.146.188.4:37161   ::ffff:10.88.88.166:22      TIME_WAIT   -
tcp        0      0 ::ffff:10.146.188.4:37163   ::ffff:10.88.88.166:22      TIME_WAIT   -
[root@xxx ~]#