list process running on port code example

Example 1: list process using port

sudo lsof -n -i :80 | grep LISTEN

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: bash list process on port

sudo lsof -i:3000
#Just change the port 3000