linux centos7 更改yum镜像

发表于

官网：https://opsx.alibaba.com/mirror

名称为：centos

帮助选项有对应的说明

1、备份

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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/

CentOS 5

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wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo

或者

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curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo

CentOS 6

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wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo

或者

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curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo

CentOS 7

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wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

或者

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curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

3、之后运行yum makecache生成缓存

4、这时候再更新系统就会看到以下mirrors.aliyun.com信息

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[root@localhost ~]# yum -y updatewger

已加载插件：fastestmirror, refresh-packagekit, security

设置更新进程Loading mirror speeds from cached hostfile

\* base: mirrors.aliyun.com

\* extras: mirrors.aliyun.com

\* updates: mirrors.aliyun.com

以下是阿里云服务器 CentOS-Base.repo文件的内容

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[base]

name=CentOS-$releasever

enabled=1

failovermethod=priority

baseurl=http://mirrors.cloud.aliyuncs.com/centos/$releasever/os/$basearch/

gpgcheck=1

gpgkey=http://mirrors.cloud.aliyuncs.com/centos/RPM-GPG-KEY-CentOS-7



[updates]

name=CentOS-$releasever

enabled=1

failovermethod=priority

baseurl=http://mirrors.cloud.aliyuncs.com/centos/$releasever/updates/$basearch/

gpgcheck=1

gpgkey=http://mirrors.cloud.aliyuncs.com/centos/RPM-GPG-KEY-CentOS-7



[extras]

name=CentOS-$releasever

enabled=1

failovermethod=priority

baseurl=http://mirrors.cloud.aliyuncs.com/centos/$releasever/extras/$basearch/

gpgcheck=1

gpgkey=http://mirrors.cloud.aliyuncs.com/centos/RPM-GPG-KEY-CentOS-7