sudo lsof -PiTCP -sTCP:LISTEN COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME GitHub 850 grgarside 6u IPv4 0x23c345381d089301 0t0 TCP localhost:25035 (LISTEN)
sudo lsof -PiTCP -sTCP:LISTEN
$ npx kill-port 3000 8080 8081 Process on port 3000 killed Process on port 8080 killed Process on port 8081 killed