CentOS Cannot find a valid baseurl for repo base7x86_64 yum

Posted on : Sun, 24th Jul 16 06:45 am (Updated on : Sun, 24th Jul 16 06:45 am) UTC
Author : Code2care
2314 votes

Solution :

If you have installed the Minimal Version of CentOS, by default the network interface is off, so it need to be turned ON.

Type : dhclient using root, this will turn on your network.

Now try "yum update commands"

Error Message :

One of the configured repositories failed (Unknown),
 and yum doesn't have enough cached data to continue. At this point the only
 safe thing yum can do is fail. There are a few ways to work "fix" this:

     1. Contact the upstream for the repository and get them to fix the problem.

     2. Reconfigure the baseurl/etc. for the repository, to point to a working
        upstream. This is most often useful if you are using a newer
        distribution release than is supported by the repository (and the
        packages for the previous distribution release still work).

     3. Disable the repository, so yum won't use it by default. Yum will then
        just ignore the repository until you permanently enable it again or use
        --enablerepo for temporary usage:

            yum-config-manager --disable 

     4. Configure the failing repository to be skipped, if it is unavailable.
        Note that yum will try to contact the repo. when it runs most commands,
        so will have to try and fail each time (and thus. yum will be be much
        slower). If it is a very temporary problem though, this is often a nice

            yum-config-manager --save --setopt=.skip_if_unavailable=true

Cannot find a valid baseurl for repo: base/7/x86_64

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