| centos yum 错误 Error: Cannot find a valid baseurl for repo: base 装了个CentOS 6.x,使用yum时出现了下面的错误提示。 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Could not retrieve mirrorlist http://mirrorlist.centos.org/?re ... =i386&repo=base Error: Cannot find a valid baseurl for repo: base 然后 ping mirrorlist.centos.org 发现ping不通。怀疑是dns设置问题。 ping www.ctohome.com 也出现 unknown host www.ctohome.com 的错误。多试一试偶尔会ping通，说明dns的确有问题。于是，我们来修改dns配置： vi /etc/resolv.conf 在最后一行添加：nameserver 8.8.8.8 倘若没有vi编辑器，可以用这种方法：echo "nameserver 8.8.8.8" >> /etc/resolv.conf 搞定，ping www.baidu.com 顺畅了，yum可以用了! |
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