matar aplicación en el puerto
#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)
eliminar puerto linux
kill -9 $(lsof -t -i:8080)
debian kill open port
fuser -k 3000/tcp //will kill that process.
matar el puerto de Linux
sudo fuser -k 1883/tcp