报错：error was 14: curl#6 - “Could not resolve host: mirrorlist.centos.org； 未知的错误“

目录

 一、报错信息

二、报错处理

 1、下载yum源

2、更新yum源

3、测试

---

 一、报错信息

error was  14: curl#6 - "Could not resolve host: mirrorlist.centos.org; 未知的错误"

yum安装失败报错

完整的报错信息

[root@localhost ~]#  yum install -y vim
已加载插件：fastestmirror
Determining fastest mirrors
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was
14: curl#6 - "Could not resolve host: mirrorlist.centos.org; 未知的错误"


 One of the configured repositories failed (未知),
 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. Run the command with the repository temporarily disabled
            yum --disablerepo=<repoid> ...

     4. Disable the repository permanently, 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 <repoid>
        or
            subscription-manager repos --disable=<repoid>

     5. 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
        compromise:

            yum-config-manager --save --setopt=<repoid>.skip_if_unavailable=true

Cannot find a valid baseurl for repo: base/7/x86_64
[root@localhost ~]#

二、报错处理

注：请先确认网络是否能正常访问，可以正常访问的按照操作进行。

也可以看链接里的在线配置。

Linux CentOS7 yum源配置（离线和在线）_linux 离线yum源-优快云博客

 1、下载yum源

#安装wget是为了用wget下载yum源，如果安装不了也没事，用url下载yum源也行
yum install -y wget

 wget或url下载二选一，这用wget下载。wget没有安装成功的用url下载即可。

注：选择一个下载即可

#wget下载
#用阿里云的演示
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo

#华为云
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.huaweicloud.com/repository/conf/CentOS-7-anon.repo

#url下载
#阿里云
sudo curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

#华为云
sudo curl -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.huaweicloud.com/repository/conf/CentOS-7-anon.repo

2、更新yum源

#清除缓存yum源
sudo yum clean all 

#缓存新的yum源
sudo yum makecache

#更新新的yum源
sudo yum update

 更新新的yum源会有点久，等一下就行。可以新开一个窗口yum测试一下，看能不能成功

 

3、测试

yum install -y vim