how to free port 8000 in ubuntu code example
Example 1: stop port ubintu
sudo kill -9 `sudo lsof -t -i:9001`
Example 2: kill port ubuntu
sudo kill -9 `sudo lsof -t -i:3002`
sudo kill -9 `sudo lsof -t -i:9001`
sudo kill -9 `sudo lsof -t -i:3002`