shen-iMac:~ shensuoming$ sudo lsof -i:9000 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME php-cgi53 65132 root 0u IPv4 0xffffff8018734de0 0t0 TCP *:cslistener (LISTEN) php-cgi53 65133 root 0u IPv4 0xffffff8018734de0 0t0 TCP *:cslistener (LISTEN) php-cgi53 65134 root 0u IPv4 0xffffff8018734de0 0t0 TCP *:cslistener (LISTEN) shen-iMac:~ shensuoming$ sudo kill 65132 #停止进程