yuminstalllibssh2-devel的时候提示如下的信息,安装附件中的包可以进行解决 Totaldownloadsize:2.0M Installedsize:5.0M Isthisok[y/N]:y DownloadingPackages: ErrorDownloadingPackages: libssh2-devel-1.4.2-2.el6_7.1.x86_64:failure:Packages/libssh2-devel-1.4.2-2.el6_7.1.x86_64.rpmfromc6-media:[Err