MAC 和Linux 下查看端口是否被占用
➜ ~ lsof -i :3000
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
node 4482 admin 19u IPv6 0x738b744f6eb094ff 0t0 TCP *:hbci (LISTEN)
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
node 4482 admin 19u IPv6 0x738b744f6eb094ff 0t0 TCP *:hbci (LISTEN)
➜ ~ kill 4482