Determine the process pid listening on a certain port

Question

As the title says, I\'m running multiple game servers, and every of them has the same name but different PID and the port number. I would

Answer 1

Since sockstat wasn't natively installed on my machine I hacked up stanwise's answer to use netstat instead..

netstat -nlp | grep -E "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\:2000" | awk '{print $7}' | sed -e "s/\/.*//g""