Centos7更换yum阿里源

# 使用之前请确保已经安装wget,如未安装请执行下面一条命令来安装
yum install -y wget

# 1.备份当前yum源(可选)
cd /etc/yum.repos.d/
cp CentOS-Base.repo CentOS-Base-repo.bak

# 2.使用wget下载阿里yum源repo文件
wget http://mirrors.aliyun.com/repo/Centos-7.repo

# 3.清理默认缓存包
yum clean all

# 4.把下载下来的阿里云repo文件设置成为默认源
mv Centos-7.repo CentOS-Base.repo

# 5.生成阿里云yum源缓存并更新yum源
yum makecache
yum update

 

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Origin blog.csdn.net/sundehui01/article/details/109360747
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