how to kill the port in ubuntu code example

Example 1: kill port ubuntu

sudo kill -9 `sudo lsof -t -i:9001`

Example 2: kill port ubuntu

sudo kill -9 `sudo lsof -t -i:3002`

Example 3: ubuntu stop process on port

sudo kill -9 `sudo lsof -t -i:{PORT_NUMBER}`

Example 4: kill port ubuntu

sudo kill 'sudo lsof -t -i:9001'