how to kill PORT process in ubuntu terminal code example

Example 1: kill port ubuntu

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

Example 2: ubuntu stop process on port

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

Example 3: kill a process on a port ubuntu

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

Example 4: kill port ubuntu

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