更换软件源
1.备份你的原镜像文件,以免出错后可以恢复。
cp /etc
/yum
.repos
.d
/CentOS
-Base
.repo
{,.backup
}
或者
mv /etc
/yum
.repos
.d
/CentOS
-Base
.repo
/etc
/yum
.repos
.d
/CentOS
-Base
.repo
.backup
2.下载新的CentOS-Base.repo 到/etc/yum.repos.d/,如果 wget 没有安装,运行下面命令安装 wget 软件。
yum update
--skip
-broken
yum
-y install wget
安装完成更新下载源
CentOS 5
wget
-O
/etc
/yum
.repos
.d
/CentOS
-Base
.repo http:
//mirrors
.aliyun
.com
/repo
/Centos
-5
.repo
CentOS 6
wget
-O
/etc
/yum
.repos
.d
/CentOS
-Base
.repo http:
//mirrors
.aliyun
.com
/repo
/Centos
-6
.repo
CentOS 7
wget
-O
/etc
/yum
.repos
.d
/CentOS
-Base
.repo http:
//mirrors
.aliyun
.com
/repo
/Centos
-7
.repo
运行yum makecache生成缓存
yum clean all
yum makecache
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