free port in ubuntu code example
Example 1: kill port ubuntu
sudo kill -9 `sudo lsof -t -i:3002`
Example 2: ubuntu stop process on port
sudo kill -9 `sudo lsof -t -i:{PORT_NUMBER}`
sudo kill -9 `sudo lsof -t -i:3002`
sudo kill -9 `sudo lsof -t -i:{PORT_NUMBER}`