lsof 查看端口

╰─➤  lsof -i:43022
COMMAND    PID USER   FD   TYPE  DEVICE SIZE/OFF NODE NAME
ssh     456561 root    4u  IPv6 3445340      0t0  TCP localhost:43022 (LISTEN)
ssh     456561 root    5u  IPv4 3445341      0t0  TCP localhost:43022 (LISTEN)