平时在安装或更新CentOS软件时，yum方式是最简单方便的，而系统默认到yum更新源地址不稳定，所以需要对更新源地址进行修改，国内一般用163比较快。

yum更新源配置文件：/etc/yum.repos.d/CentOS-Base.repo

1. 在修改前先备份该文件

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

2. 修改更新源配置文件（CentOS6地址，win7装机版，其他版本类似）

vim打开配置文件：

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

复制以下内容粘贴到配置文件中进行：

# CentOS-Base.repo

#

# The mirror system uses the connecting IP address of the client and the

# update status of each mirror to pick mirrors that are updated to and

# geographically close to the client. You should use this for CentOS updates

# unless you are manually picking other mirrors.

#

# If the mirrorlist= does not work for you, as a fall back you can try the

# remarked out baseurl= line instead.

#

#

[base]

name=CentOS-$releasever - Base

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

gpgcheck=1

gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

[updates]

name=CentOS-$releasever - Updates

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

gpgcheck=1

gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

[addons]

name=CentOS-$releasever - Addons

baseurl=http://mirrors.oschina.com/centos/$releasever/addons/$basearch/

gpgcheck=1

gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

[extras]

name=CentOS-$releasever - Extras

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

gpgcheck=1

gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

[centosplus]

name=CentOS-$releasever - Plus

baseurl=http://mirrors.oschina.com/centos/$releasever/centosplus/$basearch/

gpgcheck=1

enabled=0

gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

最后保存配置文件。

3. 更新yum源配置

yum update

（如果不愿更新软件，选择N即可）

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以上就是电脑技术吧给大家介绍的如何使用CentOS修改yum更新源的方法了，如何使用CentOS修改yum更新源的方法到这里也全部结束了相信大家对如何使用CentOS修改yum更新源的方法都有一定的了解了吧，好了，如果大家还想了解更多的资讯，那就赶紧点击电脑技术吧系统官网吧。

本文原标题：修改yum源,修改yum源为本地源

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