check what process is using a port code example

Example 1: find out process using port windows

netstat -ano | findstr 8080

Example 2: find out which procses is using port linux

sudo lsof -i:<port_number>

Example 3: process runninng on particular port

sudo ss -lptn 'sport = :80'

Example 4: see what ports are in use

Get-Process -Id (Get-NetTCPConnection -LocalPort portNumber).OwningProcess