@
xunyu nginx|⇒ lsof -i:80
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
QQ 11669 shenglizhou 92u IPv4 0xf4b3a1633f671be3 0t0 TCP localhost:55868->183.60.48.180:http (CLOSE_WAIT)
QQ 11669 shenglizhou 93u IPv4 0xf4b3a1634798218b 0t0 TCP localhost:55795->183.60.48.180:http (CLOSE_WAIT)
Google 61284 shenglizhou 140u IPv4 0xf4b3a16349277ffb 0t0 TCP localhost:50084->
ec2-46-51-255-34.ap-northeast-1.compute.amazonaws.com:http (ESTABLISHED)
Google 61284 shenglizhou 517u IPv4 0xf4b3a1634859af03 0t0 TCP localhost:50386->
hkg03s09-in-f4.1e100.net:http (ESTABLISHED)
应该没有被占用吧