配置CentOS8 yum镜像源_2023yum centos8镜像

配置yum镜像主要修改三个文件：

文件位置：/etc/yum.repos.d/

CentOS-Linux-AppStream.repo

将上面的两段代码注释掉，之后添加清华镜
#清华云镜像地址

baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/virt/$basearch/advanced-virtualization/
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#阿里云镜像地址

baseurl=https://mirrors.aliyun.com/centos-vault//$contentdir/$releasever/AppStream/$basearch/os/
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根据以上步骤将后两个文件也进行修改

CentOS-Linux-BaseOS.repo
CentOS-Linux-Extras.repo
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修改完成后执行更新缓存

yum clean all     # 清除系统所有的yum缓存
yum repolist
yum grouplist
yum makecache     # 生成yum缓存
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centos8更换阿里云的sh脚本

#!bin/bash

#[appstream]
if cat '/etc/yum.repos.d/CentOS-Linux-AppStream.repo' | grep 'baseurl=https://mirrors.aliyun.com/centos-vault/$contentdir/$releasever/AppStream/$basearch/os/' > /dev/null
	then
		echo "warning AppStream  Mirror exists"
	else
		sed -i '15i baseurl=https://mirrors.aliyun.com/centos-vault/$contentdir/$releasever/AppStream/$basearch/os/' /etc/yum.repos.d/CentOS-Linux-AppStream.repo
		cat -n /etc/yum.repos.d/CentOS-Linux-AppStream.repo |grep -v "#"
		echo "Configuration succeeded!" 
	fi

#[baseos]
if cat '/etc/yum.repos.d/CentOS-Linux-BaseOS.repo' | grep 'baseurl=https://mirrors.aliyun.com/centos-vault/$contentdir/$releasever/BaseOS/$basearch/os/' > /dev/null
	then
		echo "warning BaseOS Mirror exists"
	else
		sed -i '15i baseurl=https://mirrors.aliyun.com/centos-vault/$contentdir/$releasever/BaseOS/$basearch/os/' /etc/yum.repos.d/CentOS-Linux-BaseOS.repo
		cat -n /etc/yum.repos.d/CentOS-Linux-BaseOS.repo |grep -v "#"
		echo "Configuration succeeded!"
	fi

#[extras]
if cat '/etc/yum.repos.d/CentOS-Linux-Extras.repo' | grep 'baseurl=https://mirrors.aliyun.com/centos-vault/$contentdir/$releasever/extras/$basearch/os/' > /dev/null
	then
		echo 'warning Extras Mirror exists'
	else
		sed -i '15i baseurl=https://mirrors.aliyun.com/centos-vault/$contentdir/$releasever/extras/$basearch/os/' /etc/yum.repos.d/CentOS-Linux-Extras.repo
		cat -n /etc/yum.repos.d/CentOS-Linux-Extras.repo |grep -v "#"
		echo 'Configuration succeeded!'
	fi

yum clean all
yum makecache

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