You are able to see which repositories your instance is pointing to by looking at the "releasever" variable in /etc/yum.conf – by default, the Amazon Linux AMI has releasever=hottest established. Lazy loading of certificates can help relieve that bottleneck. Applying tailor made modifications to nginx by CloudFlare engineer Piotr Sikora, https://ftpserverinstall80009.blogchaat.com/26983665/5-tips-about-virtualmin-install-you-can-use-today