lsof - List Open Files command: lsof -i :<port_number> COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME java 17144 bxm 84u IPv6 2794692810 0t0 TCP localhost:8012 (LISTEN) ss - Socket Statistics: ss -lntp | grep <port_number> LISTEN 0 1 ::ffff:127.0.0.1:8012 :::* users:(("java",pid=17144,fd=84)) netstat - Network Statistics: netstat -tulpn | grep <port_number> tcp6 0 0 … 계속 읽기 리눅스 포트 사용중인 서비스 찾기