/etc/cron.hourly/0yum-hourly.cron: Not using downloaded cuda/repomd.xml because it is older than what we have: Current : Wed Jan 17 21:03:56 2018 Downloaded: Fri Jan 5 15:22:45 2018 Could not get metalink https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=x86_64 error was 14: HTTPS Error 503 - Service Unavailable