Port 80 is in use by another program. Either identify and stop that program, or start the server with a different port.
sudo lsof -i :80或者sudo netstat -tuln | grep :8001
sudo kill -9 <PID>
Port 80 is in use by another program. Either identify and stop that program, or start the server with a different port.
sudo lsof -i :80或者sudo netstat -tuln | grep :8001
sudo kill -9 <PID>