CentOS7 无法使用yum命令

沐雲

于 2021-01-11 16:18:50 发布

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文章标签： linux centos java

本文链接：https://blog.youkuaiyun.com/wc1993721/article/details/112470967

本文介绍了在CentOS7中遇到yum命令无法使用的问题，通过检查网络配置来解决问题。具体步骤包括：进入/etc/sysconfig/network-scripts目录，编辑对应网卡配置文件（如ifcfg-en016777736），将ONBOOT参数设为yes，然后重启系统或网络服务，执行reboot或service network restart命令，从而恢复yum功能。

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问题：刚安装的CentOS7在使用yum命令时提示：

 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 <

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