> I try to update with yum but it shows the same problem:
>
> [root@ns7 ~]# yum update
> Setting up Update Process
> Setting up repositories
> http://www.nuonce.net/repos/repodata/repomd.xml: [Errno 4]
> IOError: <urlopen error (-3, 'Temporary failure in name
> resolution')> Trying other mirror. Cannot open/read
> repomd.xml file for repository: NuOnce Networks
> failure: repodata/repomd.xml from NuOnce Networks: [Errno
> 256] No more mirrors to try.
> Error: failure: repodata/repomd.xml from NuOnce Networks:
> [Errno 256] No more mirrors to try.
>
You need a working nameserver.
What does /etc/resolv.conf read?
Can you ping the nameserver?
Gerald
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