配置加速
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确保你已经备份了现有的 Yum 配置文件:
sudo cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak -
下载阿里云的 CentOS 7 Yum 配置文件并覆盖现有的配置文件:
sudo wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo -
如果 wget 命令不可用,先安装 wget:
sudo yum install -y wget -
下载阿里云的 CentOS 7 Yum 配置文件:
sudo wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo -
清除 Yum 缓存并生成新的缓存:
sudo yum clean all sudo yum makecache
如果以上步骤仍然无法解决问题,可能需要检查网络连接是否正常,或者尝试手动配置 Yum 源:
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打开 CentOS-Base.repo 文件:
sudo vi /etc/yum.repos.d/CentOS-Base.repo -
修改内容如下:
[base] name=CentOS-$releasever - Base - mirrors.aliyun.com baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/ gpgcheck=1 gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7 [updates] name=CentOS-$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 [extras] name=CentOS-$releasever - Extras - mirrors.aliyun.com baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/ gpgcheck=1 gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7 [centosplus] name=CentOS-$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 -
保存文件并退出编辑器,然后再执行以下命令清理缓存并重新生成缓存:
sudo yum clean all sudo yum makecache
这些步骤应该能帮助你配置阿里云的 Yum 源,并解决无法连接到默认镜像源的问题。
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