hhow to stop port 8080 on ubuntu code example

Example 1: how to stop running port in ubuntu

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

Example 2: hhow to stop port 8080 on ubuntu

lsof -i:8080

Example 3: hhow to stop port 8080 on ubuntu

kill $(lsof -t -i:8080)