Hafen schließen
sudo kill $(sudo lsof -t -i:3000)
Larissa Oliveira
sudo kill $(sudo lsof -t -i:3000)netstat -ano | findstr < Port Number >
taskkill /F /PID < Process Id >fuser -k 3000/tcp //will kill that process.sudo ufw deny PORT
lsof -n -i4TCP:8080 <-- get process id of what you want to close
sudo kill -9 processID <-- close desired processsudo ufw allow PORT