How to Use Cloudflare as Free Dynamic DNS from a Linux Server + How to be a _cron_ artist :: PostApocalyptech — Creating, Inventing, Disassembling, and Destroying Everything Technological https://postapocalyptech.com/posts/use_cloudflare_ddns/
c – How to set up a cron job to run an executable every hour? – Stack Overflow http://stackoverflow.com/questions/3474280/how-to-set-up-a-cron-job-to-run-an-executable-every-hour
CrontabExamples – ncrontab – Examples of crontab expressions – Crontab for .NET – Google Project Hosting https://code.google.com/p/ncrontab/wiki/CrontabExamples
Setup database backup cron job on godaddy hosting account | Bala-Krishna http://www.bala-krishna.com/setup-database-backup-cron-job-on-godaddy-hosting-account/