今天安装了  fedora14，没有手动安装，出现个问题。yum 不能使用。

解决方法为把你的fedora.repo  和其他repo 里面的https,变为http,

并把红色的加到host里面，一般就可以解决了。 参照了国外一些朋友的解决方法。

http://fedoraforum.org/forum/showthread.php?t=223472&page=3 

[root@localhost Downloads]# cat /etc/hosts

127.0.0.1 localhost.localdomain localhost localhost4

::1 localhost6.localdomain6 localhost6

80.239.156.215          mirrors.fedoraproject.org

213.129.242.84          mirrors.rpmfusion.org

[yuanwei@localhost Downloads]$ lsfedora-163.repo  fedora-updates-163.repo[yuanwei@localhost Downloads]$ suPassword: [root@localhost Downloads]# mv * /etc/yum.repos.d/[root@localhost Downloads]# ls[root@localhost Downloads]# yum updateLoaded plugins: langpacks, presto, refresh-packagekitAdding en_US to language listRepository updates is listed more than once in the configurationRepository updates-debuginfo is listed more than once in the configurationRepository updates-source is listed more than once in the configurationRepository fedora is listed more than once in the configurationRepository fedora-debuginfo is listed more than once in the configurationRepository fedora-source is listed more than once in the configurationError: Cannot retrieve repository metadata (repomd.xml) for repository: fedora. Please verify its path and try again