yum clean all
当运行 "yum update"命令时出现如下错误提示(但ping URL却正常):
[root@viviotech ~]# yum -y update Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile 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
在google搜索资料后发现/etc/resolve.conf文件中
nameserver 127.0.0.1 nameserver 8.8.8.8 nameserver 8.8.4.4
为什么添加127.0.0.1到第1位置?yum更新时它核对第1个地址,所以从本地DNS服务器中来寻找"mirrorlist.centos.org",从而导致了如上错误信息的出现
想知道更多内容:
解决方法:
nameserver 8.8.8.8 nameserver 8.8.4.4 nameserver 127.0.0.1