為避免從國外站點安裝更新速度過慢,需要更改yum更新源，那麼CentOS怎麼修改yum更新源呢?今天學習啦小編與大家分享下CentOS修改yum更新源的具體操作步驟，有需要的朋友不妨了解下。
CentOS修改yum更新源方法
yum更新源配置文件：/etc/yum.repos.d/CentOS-Base.repo
1. 在修改前先備份該文件
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，其他版本類似)
vim打開配置文件：
vim /etc/yum.repos.d/CentOS-Base.repo
復制以下內容粘貼到配置文件中進行：
# 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
最後保存配置文件。
3. 更新yum源配置
yum update
(如果不願更新軟件，選擇N即可)
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