# CentOS7 配置163 yum源

# 介绍

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环境：CentOS7

1）下载repo文件

wget http://mirrors.163.com/.help/CentOS7-Base-163.repo

2）备份并替换系统的repo文件

cp CentOS7-Base-163.repo /etc/yum.repos.d/
cd /etc/yum.repos.d/
mv CentOS-Base.repo CentOS-Base.repo.bak
mv CentOS7-Base-163.repo CentOS-Base.repo

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3）执行yum源更新命令

yum clean all
yum makecache
yum update

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