This shell script checks a system for available updates and mails them to a predefined email address. Surely there are other ways to accomplish this like apticron on debian but I wrote this for my company to have a small script that works across most platforms we use.


  • Define a subject
  • Define a ‘from’ email address
  • Define a ‘to’ email address
  • Works on Red Hat and Ubuntu flavored distributions
  • Is able to use yum-security to only notify on security updates for CentOS
  • … read the source ;-)