set corn job

wget --quiet -O /dev/null https://domain.com/filename.php

Edit

if you have parameters in url . need to add '

wget --quiet -O /dev/null 'https://domain.com/modules/gmerchantcenter/cron.php?id_shop=1&id_lang=1&country=US&currency_iso=USD&token=442da436f5ff88f576804c927f6859f3'