RedHat7更换Yum源

本文主要是介绍RedHat7更换Yum源，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

清除旧 yum 版本

rpm -qa|grep yum
rpm -qa|grep yum|xargs rpm -e --nodeps

下载安装centos的yum文件

mkdir yum_temp && cd yum_tempwget https://mirrors.aliyun.com/centos/7/os/x86_64/Packages/python-iniparse-0.4-9.el7.noarch.rpm --no-check-certificate
wget https://mirrors.aliyun.com/centos/7/os/x86_64/Packages/yum-3.4.3-168.el7.centos.noarch.rpm --no-check-certificate
wget https://mirrors.aliyun.com/centos/7/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm --no-check-certificatewget https://mirrors.aliyun.com/centos/7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-54.el7_8.noarch.rpm  --no-check-certificaterpm -ivh *.rpm --force --nodepscd .. && rm -rf yum_temp

下载替换centos源

rm -rf /etc/yum.repos.d/*
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
# -O指定文件
sed -i 's/$releasever/7/g' /etc/yum.repos.d/CentOS-Base.repo

清缓存

yum clean allyum makecacheyum list# 更新软件包（可不操作）（不建议操作，更新后有问题还没解决）
yum update -y

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