Use full links All user (Login user) cron job are placed in crontab. Each user can schedule its job independently. User can access its cron job with this command -crontab -e -u root and cron table will open. 1) https://devarticles.in/how-to-run-url-from-cronjob-at-specific-time-in-linux/ 2) https://www.cyberciti.biz/faq/how-do-i-add-jobs-to-cron-under-linux-or-unix-oses/ 3) Run command after specific time interval https://linuxhint.com/execute-crontab-every-5-minutes/#:~:text=A%20crontab%20has%205%20fields,time%20a%20command%20should%20execute.&text=To%20execute%20a%20crontab%20every,command%20after%20every%205%20minutes. https://www.tecmint.com/create-and-manage-cron-jobs-on-linux/