Error Downloading Packages: libevent-1.4.13-4.el6.x86_64: failure: Packages/libevent-1.4.13-4.el6.x86_64.rpm from base: [Errno 256] No more mirrors to try. keyutils-1.4-5.el6.x86_64: failure: Packages/keyutils-1.4-5.el6.x86_64.rpm from base: [Errn...【阅读全文】