root@xxx:/# service nginx status
* nginx is running
root@xxx:/# curl localhost
curl: (7) Failed to connect to localhost port 80 after 0 ms: Connection refused
root@xxx:/# netstat -tuln | grep :80
tcp 0 0 0.0.0.0:8081 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:8001 0.0.0.0:* LISTEN