将Centos的yum源更换为国内的阿里云源
1、备份系统本身的yum源文件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/
CentOS 5
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo
CentOS 6 (如果不可用,请拉到最底部使用新方法)
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo由于各大镜像站(阿里、163、清华等)都不再维护 CentOS 6 的 Yum 源镜像,当前找到如下办法:
直接编辑 /etc/yum.repos.d/Centos-Base.repo ,清空所有内容,替换如下代码:
vi /etc/yum.repos.d/Centos-Base.repo
name=CentOS-6
failovermethod=priority
baseurl=https://vault.centos.org/6.9/os/x86_64/
gpgcheck=0
CentOS 7
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
CentOS 8
进入yum.repos.d目录
cd /etc/yum.repos.d
备份3个源文件cp CentOS-Base.repo CentOS-Base.repo.bak
cp CentOS-AppStream.repo CentOS-AppStream.repo.bak
cp CentOS-Extras.repo CentOS-Extras.repo.bak
修改3个文件中的地址:
sed -i 's/mirrorlist=/#mirrorlist=/g' CentOS-Base.repo CentOS-AppStream.repo CentOS-Extras.repo
sed -i 's/#baseurl=/baseurl=/g' CentOS-Base.repo CentOS-AppStream.repo CentOS-Extras.repo
sed -i 's/http:\/\/mirror.centos.org/https:\/\/mirrors.aliyun.com/g' CentOS-Base.repo CentOS-AppStream.repo CentOS-Extras.repo
3、之后运行yum clean all 清空缓存,运行yum makecache生成缓存
yum clean all
yum makecache
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