Port Kill 명령어
PID 조회 명령어 :
lsof -i:22011 (숫자는 포트번호)
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
main 1522169 opticalpos 8u IPv6 328050062 0t0 TCP *:22011 (LISTEN)
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
main 1522169 opticalpos 8u IPv6 328050062 0t0 TCP *:22011 (LISTEN)