場景

CentOS的版本為6.9，在使用yum install 安裝相關依賴時提示:

Cannot find a valid baseurl for repo: centos-sclo-rh

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注：

博客：
https://blog.csdn.net/badao_liumang_qizhi
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實現

原因是官方結束了對CentOS6的支持，導致在使用yum安裝或更新程序的時候出現錯誤。

首先清空CenOS-Base.repo文件

echo > /etc/yum.repos.d/CentOS-Base.repo

然后編輯該文件

vi /etc/yum.repos.d/CentOS-Base.repo

然后按鍵盤上的i鍵進入編輯模式，將下面的內容復制進去

[base] name=CentOS-$releasever - Base #mirrorlist=http://#mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra baseurl=https://vault.centos.org/6.10/os/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6#released updates [updates] name=CentOS-$releasever - Updates #mirrorlist=http://#mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra baseurl=https://vault.centos.org/6.10/updates/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6#additional packages that may be useful [extras] name=CentOS-$releasever - Extras #mirrorlist=http://#mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra baseurl=https://vault.centos.org/6.10/extras/$basearch/ gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6#additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus #mirrorlist=http://#mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra baseurl=https://vault.centos.org/6.10/centosplus/$basearch/ gpgcheck=1 enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6#contrib - packages by Centos Users [contrib] name=CentOS-$releasever - Contrib #mirrorlist=http://#mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib&infra=$infra baseurl=https://vault.centos.org/6.10/contrib/$basearch/ gpgcheck=1 enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

然后按Esc退出編輯模式，再輸入

:wq!

保存并退出

然后刪除掉/etc/yum.repos.d/目錄下其他無關的repo文件

cd /etc/yum.repos.d/ ls | grep -v 'CentOS-Base.repo' | xargsrm

然后重建yum緩存，更新并啟動新的yum源

yum clean all && yummakecache

此時需要等待一段時間，不要按回車。

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總結

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