Centos7报错：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"

丫是传说栍 發表於 2024-8-8 15:29:00

Centos7报错：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"

一、问题描述
Centos7使用yum命令失效，报错：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"
<img src="https://img2024.cnblogs.com/blog/2485538/202408/2485538-20240808151954897-775189235.png" alt="" loading="lazy">
二、解决方案
查询了好多种方法，有的说是DNS的问题，有的说是防火墙的问题，有的说是/etc/yum.repos.d/CentOS-Base.repo的问题。
1）DNS的问题
1.1 检查 /etc/sysconfig/network-scripts/ifcfg-ens33 配置文件
<img src="https://img2024.cnblogs.com/blog/2485538/202408/2485538-20240808152224682-1712260200.png" alt="" loading="lazy">
将ONBOOT=NO 改成YES，并重启网络服务   service restart network
1.2 检查有没有配置/etc/resolv.conf
<img src="https://img2024.cnblogs.com/blog/2485538/202408/2485538-20240808152333541-526501488.png" alt="" loading="lazy">
 2）防火墙的问题
2.1 检查防火墙状态 systemctl status firewalld
2.2 关闭防火墙 systemctl stop firewalld
3）/etc/yum.repos.d/CentOS-Base.repo的问题
3.1 sudo vim /etc/yum.repos.d/CentOS-Base.repo 将 mirrorList都注释掉，将baseurl都取消注释, :wq 保存修改。 注意：在修改之前先备份原文件 mv CentOS-Base.repo ./CentOS-Base.repo.bak
<img src="https://img2024.cnblogs.com/blog/2485538/202408/2485538-20240808152500972-1750844725.png" alt="" loading="lazy">
 
3.2.执行 sudo yum update 更新软件包列表,这一步带来的效果是自动生成缓存。
3.3.恢复 CentOS-Base.repo到原始状态（baseurl注释掉，mirrorList取消注释）
3.4.继续执行sudo yum install xxx 一切恢复正常。
4）清空yum缓存的操作
yum clean all
yum makecache
<h3>　　备注</h3>
　　　　yum 会把下载的软件包和header存储在cache中(默认路径/var/cache/yum/)，而不自动删除。如果觉得占用磁盘空间，可以使用yum clean指令进行清除，更精确的用法是yum clean headers清除header，yum clean packages清除下载的rpm包，yum clean all全部清除。
 三、最终解决办法
<h2>使用阿里云或其他国内镜像源</h2>
1）更新YUM仓库源为阿里云镜像源：
<div class="cnblogs_Highlighter">
<pre class="brush:csharp;gutter:true;">sudo vi /etc/yum.repos.d/CentOS-Base.repo
</pre>
</div>
2）将内容替换成下面
<div class="cnblogs_Highlighter">
<pre class="brush:csharp;gutter:true;">
name=CentOS-$releasever - Base - mirrors.aliyun.com
baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

name=CentOS-$releasever - Updates - mirrors.aliyun.com
baseurl=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

name=CentOS-$releasever - Extras - mirrors.aliyun.com
baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

name=CentOS-$releasever - Plus - mirrors.aliyun.com
baseurl=http://mirrors.aliyun.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
</pre>
</div>
3）清理并重建缓存
<div class="cnblogs_Highlighter">
<pre class="brush:csharp;gutter:true;">sudo yum clean all
sudo yum makecache
sudo yum update
</pre>
</div>
　　
4）也可以不用上面2）的代码，直接下载最新的CentOS-Base.repo文件
<div class="cnblogs_code">
<pre>　CentOS 5

　　　　wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo

　　　　或者

　　　　curl -o /etc/yum.repos.d/CentOS-Base.repo

　　　　CentOS 6

　　　　wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo

　　　　或者

　　　　curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo


　　　　CentOS 7

　　　　wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

　　　　或者

　　　　curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo</pre>
</div>
 
如果以上还是无法解决问题，在执行yum makecache命令后，报错：
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock32 error was 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error" 需要注意报错的最后一行：
<img src="https://img2024.cnblogs.com/blog/2485538/202411/2485538-20241113124539339-1868515174.png" alt="" loading="lazy">
那么尝试将如下内容追加到 /etc/yum.repos.d/CentOS-Base.repo 中
<div class="cnblogs_code">
<pre>
name=CentOS-7 - SCLo rh
baseurl=http://vault.centos.org/centos/7/sclo/$basearch/rh/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo


name=CentOS-7 - SCLo sclo
baseurl=http://vault.centos.org/centos/7/sclo/$basearch/sclo/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo</pre>
</div>
 
最终的CentOS-Base.repo内容如下：
<div class="cnblogs_code">
<pre># CentOS-Base.repo
#
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client.You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the
# remarked out baseurl= line instead.
#
#

[base]
name=CentOS-$releasever - Base - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/
 http://mirrors.aliyuncs.com/centos/$releasever/os/$basearch/
 http://mirrors.cloud.aliyuncs.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

#released updates

name=CentOS-$releasever - Updates - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/
 http://mirrors.aliyuncs.com/centos/$releasever/updates/$basearch/
 http://mirrors.cloud.aliyuncs.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

#additional packages that may be useful

name=CentOS-$releasever - Extras - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/
 http://mirrors.aliyuncs.com/centos/$releasever/extras/$basearch/
 http://mirrors.cloud.aliyuncs.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

#additional packages that extend functionality of existing packages

name=CentOS-$releasever - Plus - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/centosplus/$basearch/
 http://mirrors.aliyuncs.com/centos/$releasever/centosplus/$basearch/
 http://mirrors.cloud.aliyuncs.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7

#contrib - packages by Centos Users

name=CentOS-$releasever - Contrib - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/contrib/$basearch/
 http://mirrors.aliyuncs.com/centos/$releasever/contrib/$basearch/
 http://mirrors.cloud.aliyuncs.com/centos/$releasever/contrib/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7


name=CentOS-7 - SCLo rh
baseurl=http://vault.centos.org/centos/7/sclo/$basearch/rh/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo


name=CentOS-6.10 - SCLo sclo
baseurl=http://vault.centos.org/centos/7/sclo/$basearch/sclo/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo</pre>
</div>
再次执行yum makecache成功：
<img src="https://img2024.cnblogs.com/blog/2485538/202411/2485538-20241113125134828-1800005479.png" alt="" loading="lazy">
 

</div>
<div id="MySignature" role="contentinfo">
不要为了追逐，而忘记当初的样子。 
来源：https://www.cnblogs.com/lxzcloud/p/18349036

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琼殿技术论坛's Archiver

Centos7报错：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"