Yum出错Error: Cannot find a valid baseurl for repo: base
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centos yum 错误 Error: Cannot find a valid baseurl for repo: addons 装了个CentOS 6.5,使用yum时出现了下面的错误提示。
[root@localhost ~]# yum install lrzsz
Loaded plugins: fastestmirror
Determining fastest mirrors
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=6&arch=x86_64&repo=os error was
14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'"
Error: Cannot find a valid baseurl for repo: base
截图
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
汗,发现vi也不能用。安装vi? yum不能用,所以yum安装vi也不行(linux/centos系统如何使用yum安装vi/vim?)。怎么办呢?
思索下,其实我们只是需要修改/etc/resolv.conf文件,直接一个dns服务器即可,想到了echo命令:
echo "nameserver 8.8.8.8" >> /etc/resolv.conf
搞定,ping www.baidu.com 顺畅了,yum可以用了!第一件事情,就是去删除 /etc/resolv.conf 里面有问题的dns服务器。
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