Answers for "command to kill port"

kill app at port

#To list any process listening to the port 8080:
lsof -i:8080

#To kill any process listening to the port 8080:
kill $(lsof -t -i:8080)

#or more violently:
kill -9 $(lsof -t -i:8080)

windows kill port

netstat -ano | findstr :3001
taskkill /PID <yourid> /F

kill port

netstat -aon | findstr 8080
taskkill /f /pid 77777