Linux 查看端口占用

root@raspberrypi:~# lsof -i:80
COMMAND PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
chfs    923 root    3u  IPv6  20246      0t0  TCP *:http (LISTEN)

root@aade5ae73079:/var/www/html# netstat -apn|grep ":443"
tcp        0      0 0.0.0.0:443             0.0.0.0:*               LISTEN      1/apache2