netstat -tnl
$ sudo lsof -i :8080 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME nginx 1139 root 13u IPv4 44778 0t0 TCP localhost:45648->localhost:http-alt (ESTABLISHED) java 4841 root 55u IPv6 45438 0t0 TCP *:http-alt (LISTEN) $ sudo lsof -i :139 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME smbd 2653 root 33u IPv6 31000 0t0 TCP *:netbios-ssn (LISTEN) smbd 2653 root 35u IPv4 31002 0t0 TCP *:netbios-ssn (LISTEN)
$ ps -aux | grep 1139 $ ps -aux | grep nginx root 1137 0.0 0.0 8392 900 ? Ss 10:14 0:00 nginx: master process /usr/sbin/nginx -g daemon on; master_process on; root 1138 0.0 0.5 51604 45568 ? S 10:14 0:00 nginx: worker process root 1139 0.0 0.5 51604 45568 ? S 10:14 0:00 nginx: worker process root 1140 0.0 0.5 51604 45568 ? S 10:14 0:00 nginx: worker process root 1141 0.0 0.5 51604 45568 ? S 10:14 0:00 nginx: worker process uos 5098 0.0 0.0 9292 892 pts/0 S+ 10:43 0:00 grep nginx
manpage
lsof