CentOS6默认yum源失效解决方案

1.备份原配置文件

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak

2.新建CentOS-Base.repo配置：

vi /etc/yum.repos.d/CentOS-Base.repo

复制粘贴如下命令

[centos-office]
name=centos-office
failovermethod=priority
baseurl=https://vault.centos.org/6.10/os/x86_64/
gpgcheck=1
gpgkey=https://vault.centos.org/6.10/os/x86_64/RPM-GPG-KEY-CentOS-6

保存后退出

3.清理软件源

yum clean all

4.建立源数据缓存

yum makecache