一、CentOS8 配置yum源文件

1. 备份

mkdir /etc/yum.repos.d/repo.bak
mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/repo.bak

2. 配置yum源文件
vim /etc/yum.repos.d/CentOS8.repo

　　　　 [baseOS]
	name=baseOS
	baseurl=https://mirrors.aliyun.com/centos/8/BaseOS/x86_64/os/
			https://mirrors.huaweicloud.com/centos/8/BaseOS/x86_64/os/
			https://mirrors.163.com/centos/8/BaseOS/x86_64/os/
	gpgcheck=1
	gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official

	[AppStream]
	name=AppStream
	baseurl=https://mirrors.aliyun.com/centos/8/AppStream/x86_64/os/
			https://mirrors.huaweicloud.com/centos/8/AppStream/x86_64/os/
			https://mirrors.163.com/centos/8/AppStream/x86_64/os/
	gpgcheck=1
	gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official


	[epel]
	name=epel
	baseurl=https://mirrors.aliyun.com/epel/8/Everything/x86_64/
	gpgcheck=1
	gpgkey=https://mirrors.aliyun.com/epel/RPM-GPG-KEY-EPEL-8

	[extras]
	name=extras
	baseurl=https://mirrors.aliyun.com/centos/8/extras/x86_64/os/
	gpgcheck=1
	gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official

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