libstdc++-4.4.7-4.el6.x86_64.rpm

安装gcc-c++提示错误，yum源有问题，通过离线方式安装 Error Downloading Packages: gcc-c++-4.4.7-4.el6.x86_64: failure: Packages/gcc-c++-4.4.7-4.el6.x86_64.rpm from my: [Errno 256] No more mirrors to try. libstdc++-devel-4.4.7-4.el6.x86_64: failure: Packages/libstdc++-devel-4.4.7-4.el6.x86_64.rpm from my: [Errno 256] No more mirrors to try.