Στις 15/10/2013 1:38 μμ, ο/η Tom Grace έγραψε: > On 15/10/13 11:34, Strimpakos Giorgos wrote: >> I am almost sure that I don't use an http proxy from the OS side. I >> don't know if it is used at the network layer. > When I've seen this error before, it was caused by a proxy that was > caching metadata for too long. Have you tried using a different mirror ? > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos Is there a way to update metadata manually? Giorgos