1、备份原有repo文件
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mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
2、下载新的CentOS-Base.repo 到/etc/yum.repos.d/
在这里使用的6的版本
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wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
3、运行yum makecache生成缓存,但是在rhel6.5中使用阿里云的centos mirrors 遇到问题,
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Loaded plugins: product-id, security, subscription-manager
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This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
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http://mirrors.aliyun.com/centos/6Server/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"
这时候,我们需要如何解决呢
修改repo文件 把所有$releasever替换成6,保存
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sed -i 's/\$releasever/6/' CentOS-Base.repo
还有一个更加完善的方式,在所有mirrorlist前面加上#,并所有$releasever替换成6
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sed -i '/mirrorlist/d' CentOS-Base.repo
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sed -i 's/\$releasever/6/' CentOS-Base.repo
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sed -i '/\[addons\]/,/^$/d' CentOS-Base.repo
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sed-i 's/RPM-GPG-KEY-CentOS-5/RPM-GPG-KEY-CentOS-6/' CentOS-Base.repo
4.清理并重新生成yum缓存
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yum clean metadata
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yum makecache
参考博客:
https://help.aliyun.com/knowledge_detail/5980325.html
http://mirrors.aliyun.com/help/centos
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/27039319/viewspace-2121691/
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