Oracle Linux 7: “one of the configured repositories failed”

After a fresh install of Oracle Linux 7.4 and trying to run a ‘sudo yum update’ I get: One of the configured repositories failed (Latest Unbreakable Enterprise Linux Server 7 Server (x86_64) Following the recommendations following the error didn’t help, and this post suggested trying a ‘sudo yum clean’, but this didn’t fix it either. …