收集来源： https://vault.centos.org

sha256sum

c455ee948e872ad2194bdddd39045b83634e8613249182b88f549bb2319d97eb CentOS-7-x86_64-DVD-1611.iso ec7500d4b006702af6af023b1f8f1b890b6c7ee54400bb98cef968b883cd6546 CentOS-7-x86_64-DVD-1708.iso 506e4e06abf778c3435b4e5745df13e79ebfc86565d7ea1e128067ef6b5a6345 CentOS-7-x86_64-DVD-1804.iso 6d44331cc4f6c506c7bbe9feb8468fad6c51a88ca1393ca6b8b486ea04bec3c1 CentOS-7-x86_64-DVD-1810.iso 9bba3da2876cb9fcf6c28fb636bcbd01832fe6d84cd7445fa58e44e569b3b4fe CentOS-7-x86_64-DVD-1908.iso 087a5743dc6fd6706d9b961b8147423ddc029451b938364c760d75440eb7be14 CentOS-7-x86_64-DVD-2003.iso e33d7b1ea7a9e2f38c8f693215dd85254c3a4fe446f93f563279715b68d07987 CentOS-7-x86_64-DVD-2009.iso