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When running yum, an error occurs: “[Errno 14] HTTP Error 404 - Not Found”

 

Image by Alexander Fox | PlaNet Fox from Pixabay


I am sharing my experience with the error "[Errno 14] HTTP Error 404 - Not Found" when running yum to install mysql on a cloud server.

The exact error is "http://mirror.g.ucloudbiz.com/centos/7.6.1810/centosplus/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found".

Most problems can be solved with yum clean all and yum update.

If it doesn't work, try changing yum's mirroring path settings as follows:


First, check the yum installation path.

You can find out by saying whereis yum in the terminal.
whereis yum


For reference, in centos7, the configuration file related to yum is located under /etc.

And just set the mirroring-related path in /etc/yum.repos.d.

Add the following to /etc/yum.repos.d/CentOS-Base.repo: (If it does not exist, create a new one.)

[base]
name=CentOS-$releasever - Base
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
baseurl=http://centos.mirror.cdnetworks.com/$releasever/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
 
#released updates
[updates]
name=CentOS-$releasever - Updates
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
baseurl=http://centos.mirror.cdnetworks.com/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
 
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
baseurl=http://centos.mirror.cdnetworks.com/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
 
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus
#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
baseurl=http://centos.mirror.cdnetworks.com/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

For reference, the yum mirroring path in Korea is as follows:

Kakao
[base]
baseurl=http://mirror.kakao.com/centos/$releasever/os/$basearch/
[updates]
baseurl=http://mirror.kakao.com/centos/$releasever/updates/$basearch
 
Naver
[base]
baseurl=http://mirror.navercorp.com/centos/$releasever/os/$basearch/
[updates]
baseurl=http://mirror.navercorp.com/centos/$releasever/updates/$basearch/
 
CDnetworks
[base]
baseurl=http://centos.mirror.cdnetworks.com/$releasever/os/$basearch/
[updates]
baseurl=http://centos.mirror.cdnetworks.com/$releasever/updates/$basearch

One thing to note is that repomd.xml may not exist for each version. So, it is a good idea to check in your browser as follows.

kakao is centos, releasever is 7.6.1810, there was no subpath.


On the other hand, you can see that CDnetworks exist in different versions.


Modify CentOS-Base.repo to match your path.

And finally, change enabled=1enabled=1 in /etc/yum/pluginconf.d/fastestmirror.conf to enabled=0enabled=0.


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