➜ ~ lsof -i:8100
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
nginx 9622 nginx 10u IPv4 1411667 0t0 TCP *:xprint-server (LISTEN)
nginx 9623 nginx 10u IPv4 1411667 0t0 TCP *:xprint-server (LISTEN)
nginx 9624 nginx 10u IPv4 1411667 0t0 TCP *:xprint-server (LISTEN)
[root@localhost ~]# netstat -ntlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 894/sshd
tcp6 0 0 :::80 :::* LISTEN 2105/docker-proxy
tcp6 0 0 :::22 :::* LISTEN 894/sshd