If you want help, you need to be a little more clear with your question.
You can disable services in WHM >> service manager, and to remove the users' ability to use crons, remove the cron jobs feature from feature manager and/or add the users to /etc/cron.deny
You can disable services in WHM >> service manager, and to remove the users' ability to use crons, remove the cron jobs feature from feature manager and/or add the users to /etc/cron.deny
