修改CentOS 5.6的源-优快云博客

本文介绍如何将CentOS系统的默认软件源更改为国内的高速镜像源，包括备份原始配置文件、修改配置文件中的软件源地址，并提供了一些额外的配置建议，如排除内核更新等。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

$su - root

#cd /etc/yum.repos.d/

#cp CentOS-Base.repo CentOS-Base.repo.bak

#vi CentOS-Base.repo

修改原文为：

[base]
name=CentOS-$releasever - Base
baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5

#released updates
[updates]
name=CentOS-$releasever - Updates
baseurl=http://mirrors.163.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5

#packages used/produced in the build but not released
[addons]
name=CentOS-$releasever - Addons
baseurl=http://mirrors.163.com/centos/$releasever/addons/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5

#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
baseurl=http://mirrors.163.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
baseurl=http://mirrors.163.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS

If you don't want to update kernel

#vi /etc/yum.conf

Add a line to [MAIN] part:

exclude=kernel*

#yum update