错误1. 执行yum命令报错

【错误：Invalid configuration value: failovermethod=priority in /etc/yum.repos.d/CentOS-epel.repo; 配置：ID 为 "failovermethod" 的 OptionBinding 不存在】

1.cd /etc/yum.repos.d

2.vim CentOS-epel.repo //注意标红的名称 这个要对应上.

# failovermethod=priority 注释了.

再运行会出第二个错误

错误2.Repository extras is listed more than once in the configuration

1.sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*

2.sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*

3.yum clean all

4.yum repolist

yum install git 测试.

学习[CentOS8]Repository extras is listed more than once in the configurationhttps://www.cnblogs.com/leoshi/p/16644165.html