[Linux] 超過最大用戶登錄數主動幹掉連接

第一步，netstat命令把連接進程找出來

第二步，kill <PID>

前提：可以把登錄的用戶踢掉，用於測試環境

[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 ~]#