taskkill /f /im node.exe
netstat -ano | findstr :3000 taskkill /PID "123" /F
### For Linux/Mac OS search (sudo) run this in the terminal: $ lsof -i tcp:3000 $ kill -9 PID ### On Windows: netstat -ano | findstr :3000 tskill typeyourPIDhere ### change tskill for taskkill in git bash
netstat -ano | findstr :3000 taskkill /F /PID PID_of_port