以8080端口举例
终端命令
sudo lsof -i :8080
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
node 9618 shilc 14u IPv6 0xa1d8e82b3c8378e1 0t0 TCP *:http-alt (LISTEN)
node 9618 shilc 18u IPv6 0xa1d8e82b3c838461 0t0 TCP localhost:http-alt->localhost:50880 (ESTABLISHED)
然后根据PID杀进程:
sudo kill -9 9618