I installed CiviCRM on my server, and I want to set up a cron job to trigger CiviCRM's cron job script. What should I do to set up the cron job?
As recommended by CiviCRM officially at here, you may use EasyCron to trigger cron job script in CiviCRM.
Our webcron service is best for triggering CiviCRM's cron job script. Just follow below simple steps to configure cron job for your CiviCRM:
Note: Regarding the site-key generating and setting, please check the " Configuring your Site Key" section in civiCRM document