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Redhat7和CentOS7系统配置阿里源失败问题及解决办法（[Errno 14] HTTP Error 404 - Not Found）_centos7 阿里源404
作者：黑客灵魂 | 2024-07-14 05:15:08
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centos7 阿里源404
一、配置阿里源
第1步：下载阿里源的配置文件
- [root@linuxprobe ~]# cd /etc/yum.repos.d/
- [root@linuxprobe yum.repos.d]# wget http://mirrors.aliyun.com/repo/Centos-7.repo
第2步：将下载的配置文件重命名
- [root@linuxprobe yum.repos.d]# mv Centos-7.repo Centos-Base.repo
- [root@linuxprobe yum.repos.d]#
- [root@linuxprobe yum.repos.d]# ls
- Centos-Base.repo packagekit-media.repo rhel7.repo //其中rhel7.repo为自己配置的本地Yum软件仓库
第3步：更新镜像源
- [root@linuxprobe yum.repos.d]# yum clean all //清楚缓存
- Loaded plugins: langpacks, product-id, subscription-manager
- This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
- Cleaning repos: base extras updates
- Cleaning up everything
- [root@linuxprobe yum.repos.d]#
- [root@linuxprobe yum.repos.d]# yum makecache //生成缓存
- Loaded plugins: langpacks, product-id, subscription-manager
- This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
- http://mirrors.aliyun.com/centos/7Server/os/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found
- Trying other mirror.
- http://mirrors.aliyuncs.com/centos/7Server/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to mirrors.aliyuncs.com:80; Connection refused"
- Trying other mirror.
- http://mirrors.cloud.aliyuncs.com/centos/7Server/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to mirrors.cloud.aliyuncs.com:80; Connection refused"
- Trying other mirror.
- ^C
- Current download cancelled, interrupt (ctrl-c) again within two seconds
- to exit.
二、配置失败
失败现象：在执行"yum makecache"命令的过程中，不断出现如下的错误提示：
- http://mirrors.aliyun.com/centos/7Server/os/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found
- Trying other mirror.
- http://mirrors.aliyuncs.com/centos/7Server/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to mirrors.aliyuncs.com:80; Connection refused"
- Trying other mirror.
- http://mirrors.cloud.aliyuncs.com/centos/7Server/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to mirrors.cloud.aliyuncs.com:80; Connection refused"
- Trying other mirror.
- ---------------------------------------省略部分输出内容--------------------------------------------
失败原因：Centos-Base.repo配置文件中的$releasever变量解析错误，导致整个URL地址错误。这种情况一般发生在Redhat系统安装Centos源（我的系统是Redhat 7）
我为什么说是URL地址错误呢？因为我在浏览器中输入地址 "http://mirrors.aliyun.com/centos/"，发现并无 7Server/目录。因此，应该是$releasever变量解析成了"7Server"，进而导致了错误的发生。
经检查发现，正确的URL地址为 http://mirrors.aliyun.com/centos/7/os/x86_64/repodata/repomd.xml，其中的"7"是指系统版本号。
三、解决办法
这里给出我的解决办法，仅供参考：
第1步：编辑阿里源配置文件
[root@linuxprobe yum.repos.d]# vim Centos-Base.repo第2步：将全文中所有的 "$releasever" 字符串替换成 "7"，因为我的系统是7版本
- 输入 ":" 进入末行模式
- 然后输入 %s/$releasever/7/g
- 保存并退出
第3步：再次更新镜像源
- [root@linuxprobe yum.repos.d]# yum clean all
- Loaded plugins: langpacks, product-id, subscription-manager
- This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
- Cleaning repos: base extras rhel7 updates
- Cleaning up everything
- [root@linuxprobe yum.repos.d]# yum makecache
- Loaded plugins: langpacks, product-id, subscription-manager
- This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
- base | 3.6 kB 00:00:00
- extras | 2.9 kB 00:00:00
- rhel7 | 4.1 kB 00:00:00
- updates | 2.9 kB 00:00:00
- (1/14): base/x86_64/group_gz | 165 kB 00:00:02
- (2/14): extras/x86_64/filelists_db | 217 kB 00:00:02
- (3/14): extras/x86_64/other_db | 106 kB 00:00:00
- (4/14): rhel7/group_gz | 134 kB 00:00:00
- (5/14): base/x86_64/other_db | 2.6 MB 00:00:02
- (6/14): rhel7/filelists_db | 3.0 MB 00:00:00
- (7/14): rhel7/primary_db | 3.4 MB 00:00:00
- (8/14): rhel7/other_db | 1.3 MB 00:00:00
- (9/14): updates/x86_64/filelists_db | 4.5 MB 00:00:00
- (10/14): updates/x86_64/other_db | 573 kB 00:00:00
- (11/14): updates/x86_64/primary_db | 7.6 MB 00:00:03
- base/x86_64/primary_db FAILED ======================== ] 796 kB/s | 23 MB 00:00:17 ETA
- http://mirrors.cloud.aliyuncs.com/centos/7/os/x86_64/repodata/04efe80d41ea3d94d36294f7107709d1c8f70db11e152d6ef562da344748581a-primary.sqlite.bz2: [Errno -1] Metadata file does not match checksum
- Trying other mirror.
- (12/14): base/x86_64/primary_db | 6.0 MB 00:00:00
- base/x86_64/filelists_db FAILED
- http://mirrors.aliyuncs.com/centos/7/os/x86_64/repodata/41232548001a78473ae0f2d4b92e1ec28f7a0593e0495056515887fe2a39b416-filelists.sqlite.bz2: [Errno 14] curl#7 - "Failed connect to mirrors.aliyuncs.com:80; Connection refused"
- Trying other mirror.
- (13/14): base/x86_64/filelists_db | 7.3 MB 00:00:00
- extras/x86_64/primary_db FAILED
- http://mirrors.aliyuncs.com/centos/7/extras/x86_64/repodata/b6838225b7b16a5eb051c048d2c0783111dc724393b62c685324b08c31d295cb-primary.sqlite.bz2: [Errno 14] curl#7 - "Failed connect to mirrors.aliyuncs.com:80; Connection refused"
- Trying other mirror.
- (14/14): extras/x86_64/primary_db | 165 kB 00:00:00
- Metadata Cache Created //缓存创建完成
四、结果检验
我们尝试安装Apache服务程序来检测阿里源是否配置成功，如下所示：
- [root@linuxprobe yum.repos.d]# yum install -y httpd
- Loaded plugins: langpacks, product-id, subscription-manager
- This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
- Resolving Dependencies
- --> Running transaction check
- ---> Package httpd.x86_64 0:2.4.6-17.el7 will be updated
- ---> Package httpd.x86_64 0:2.4.6-90.el7.centos will be an update
- --> Processing Dependency: httpd-tools = 2.4.6-90.el7.centos for package: httpd-2.4.6-90.el7.centos.x86_64
- --> Running transaction check
- ---> Package httpd-tools.x86_64 0:2.4.6-17.el7 will be updated
- ---> Package httpd-tools.x86_64 0:2.4.6-90.el7.centos will be an update
- --> Finished Dependency Resolution
-
- Dependencies Resolved
-
- =============================================================================================================================================================
- Package Arch Version Repository Size
- =============================================================================================================================================================
- Updating:
- httpd x86_64 2.4.6-90.el7.centos base 2.7 M
- Updating for dependencies:
- httpd-tools x86_64 2.4.6-90.el7.centos base 91 k
-
- Transaction Summary
- =============================================================================================================================================================
- Upgrade 1 Package (+1 Dependent package)
-
- Total download size: 2.8 M
- Downloading packages:
- No Presto metadata available for base
- warning: /var/cache/yum/x86_64/7Server/base/packages/httpd-tools-2.4.6-90.el7.centos.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY- ETA
- Public key for httpd-tools-2.4.6-90.el7.centos.x86_64.rpm is not installed
- (1/2): httpd-tools-2.4.6-90.el7.centos.x86_64.rpm | 91 kB 00:00:02
- (2/2): httpd-2.4.6-90.el7.centos.x86_64.rpm | 2.7 MB 00:00:02
- -------------------------------------------------------------------------------------------------------------------------------------------------------------
- Total 994 kB/s | 2.8 MB 00:00:02
- Retrieving key from http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
- Importing GPG key 0xF4A80EB5:
- Userid : "CentOS-7 Key (CentOS 7 Official Signing Key) <security@centos.org>"
- Fingerprint: 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5
- From : http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
- Running transaction check
- Running transaction test
- Transaction test succeeded
- Running transaction
- Updating : httpd-tools-2.4.6-90.el7.centos.x86_64 1/4
- Updating : httpd-2.4.6-90.el7.centos.x86_64 2/4
- Cleanup : httpd-2.4.6-17.el7.x86_64 3/4
- Cleanup : httpd-tools-2.4.6-17.el7.x86_64 4/4
- Verifying : httpd-tools-2.4.6-90.el7.centos.x86_64 1/4
- Verifying : httpd-2.4.6-90.el7.centos.x86_64 2/4
- Verifying : httpd-tools-2.4.6-17.el7.x86_64 3/4
- Verifying : httpd-2.4.6-17.el7.x86_64 4/4
-
- Updated:
- httpd.x86_64 0:2.4.6-90.el7.centos
-
- Dependency Updated:
- httpd-tools.x86_64 0:2.4.6-90.el7.centos
-
- Complete! //安装成功
最后
之前我自己的Redhat虚拟机一直使用的本地Yum源，今天想安装一个程序的时候发现没有相应的软件包，于是想到了配置一个阿里的Yum源。然而，在配置的过程中遇到了上述的问题，幸好通过查阅相关的博客找到了解决问题的办法。不过这个方法直接把路径写死了，感觉不太灵活，希望能帮助到各位！！！！
PS:在修改配置文件后，重新执行yum makecache命令的时候还是出现了地址无法访问的报错信息，其实这个并不影响。如果不想看到报错信息的话，把下图中红色框框内的信息删掉就可以了。
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