https://blog.csdn.net/whdxjbw/article/details/80681191

    1. wuyibo@yibodeMacBook-Pro ~ % lsof -i:8000 
    2. COMMAND   PID   USER   FD   TYPE             DEVICE SIZE/OFF NODE NAME
    3. java    12511 wuyibo  207u  IPv6 0x3e3889b78a4dd07f      0t0  TCP *:irdmi (LISTEN)
    4. wuyibo@yibodeMacBook-Pro ~ % kill -9 12511
    5. wuyibo@yibodeMacBook-Pro ~ %