centos5.2国内更新源

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我是靠谱客的博主凶狠菠萝，最近开发中收集的这篇文章主要介绍centos5.2国内更新源，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

CentOS 安装完毕，首先应该修改更新源，并升级到最新的系统。

国内速度较快的常用更新源：

http://mirror.be10.com/centos/
http://centos.candishosting.com.cn/
http://ftp.sjtu.edu.cn/centos/
http://ftp.hostrino.com/pub/centos/
http://mirrors.ta139.com/centos/
http://ftp.iasi.roedu.net/mirrors/centos.org/centos/

首先备份CentOS-Base.repo，然后再编辑 yum 的配置文件

[admingu@googe ~]$ sudo cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak

[admingu@googe ~]$ sudo vi /etc/yum.repos.d/CentOS-Base.repo

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[base]
name=CentOS-$releasever - Base
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
baseurl=http://centos.candishosting.com.cn/$releasever/os/$basearch/
http://mirrors.ta139.com/centos/$releasever/os/$basearch/
http://mirror.be10.com/centos/$releasever/os/$basearch/
http://ftp.sjtu.edu.cn/centos/$releasever/os/$basearch/
http://ftp.hostrino.com/pub/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5
#released updates
[updates]
name=CentOS-$releasever - Updates
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
baseurl=http://centos.candishosting.com.cn/$releasever/updates/$basearch/
http://mirrors.ta139.com/centos/$releasever/updates/$basearch/
http://mirror.be10.com/centos/$releasever/updates/$basearch/
http://ftp.sjtu.edu.cn/centos/$releasever/updates/$basearch/
http://ftp.hostrino.com/pub/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5
#packages used/produced in the build but not released
[addons]
name=CentOS-$releasever - Addons
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=addons
#baseurl=http://mirror.centos.org/centos/$releasever/addons/$basearch/
baseurl=http://centos.candishosting.com.cn/$releasever/addons/$basearch/
http://mirrors.ta139.com/centos/$releasever/addons/$basearch/
http://mirror.be10.com/centos/$releasever/addons/$basearch/
http://ftp.sjtu.edu.cn/centos/$releasever/addons/$basearch/
http://ftp.hostrino.com/pub/centos/$releasever/addons/$basearch/
gpgcheck=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
baseurl=http://centos.candishosting.com.cn/$releasever/extras/$basearch/
http://mirrors.ta139.com/centos/$releasever/extras/$basearch/
http://mirror.be10.com/centos/$releasever/extras/$basearch/
http://ftp.sjtu.edu.cn/centos/$releasever/extras/$basearch/
http://ftp.hostrino.com/pub/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus
#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
baseurl=http://centos.candishosting.com.cn/$releasever/centosplus/$basearch/
http://mirrors.ta139.com/centos/$releasever/centosplus/$basearch/
http://mirror.be10.com/centos/$releasever/centosplus/$basearch/
http://ftp.sjtu.edu.cn/centos/$releasever/centosplus/$basearch/
http://ftp.hostrino.com/pub/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5
#contrib - packages by Centos Users
[contrib]
name=CentOS-$releasever - Contrib
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib
#baseurl=http://mirror.centos.org/centos/$releasever/contrib/$basearch/
baseurl=http://centos.candishosting.com.cn/$releasever/contrib/$basearch/
http://mirrors.ta139.com/centos/$releasever/contrib/$basearch/
http://mirror.be10.com/centos/$releasever/contrib/$basearch/
http://ftp.sjtu.edu.cn/centos/$releasever/contrib/$basearch/
http://ftp.hostrino.com/pub/centos/$releasever/contrib/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5

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其中：

repositoryid:用于指定一个仓库

name：用于指定易读的仓库名称

baseurl：用于指定本仓库的URL，可以是以下的3种类型，如http,ftp,file

mirrorlist：用于指定仓库的镜像站点

enable：用于指定是否使用本仓库，默认值为1，即可用。

gpgcheck：用于指定是否检查软件包的GPG签名。

gpgkey：用于指定GPG签名文件的URL。

执行命令：

[admingu@googe ~]$ sudo rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY*

二、使用非官方更新源

下面以安装rpmforge和DAG软件包为例添加非官方更新源

I、添加rmpforge软件库

1）到http://dag.wieers.com/rpm/packages/rpmforge-release/查找适用于RHEL5/CentOS5的软件包。

2）下载适用于RHEL5/CentOS5的软件包。

[admingu@googe ~]$ sudo wget http://dag.wieers.com/rpm/packages/rpmforge-release/rpmforge-release-0.3.6-1.el5.rf.i386.rpm

[admingu@googe ~]$ sudo rpm -ivh rpmforge-release-0.3.6-1.el5.rf.i386.rpm

[admingu@googe ~]$ sudo rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-rpmforge-*

安装rpmforge-release软件包之后，就可以看到/etc/yum.repos.d/rpmforge.repo文件，以后yum就可以使用这个更新源了。

II、添加DAG更新仓库。//这个库我更新时总是出现问题，望达人帮我一下！

1)在/etc/yum.repos.d/下建立dag.repo

2)编辑dag.repo

[admingu@googe ~]$ sudo vi /etc/yum.repos.d/dag.repo

[dag]
name=Dag RPM Repository for Red Hat Enterprise Linux
baseurl=http://apt.sw.be/redhat/el5/en/i386/dag/
gpgcheck=1
enabled=1
gpgkey=http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt

保存退出。

然后导入Key,

[admingu@googe ~]$ wget http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt

[admingu@googe ~]$ sudo rpm --import RPM-GPG-KEY.dag.txt

[admingu@googe ~]$ sudo rm -f RPM-GPG-KEY.dag.txt //这个可以先移除也可以不移除

以下是好友Nick提供的解决方法，非常感谢他！

在定义 yum 非官方库 dag.repo 后，使用 yum 安装非官方库里定义的软件是，如果出现错误：
Reading repository metadata in from local files
primary.xml.gz 100% |=========================| 883 kB 00:59
http://apt.sw.be/redhat/el5/en/i386/dag/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.
Error: failure: repodata/primary.xml.gz from dag: [Errno 256] No more mirrors to try.
这个错误应该是因为"/var/cache/yum/dag/”里的 primary.xml.gz 不能通过校验导致的。(暂时找不到原因,用多线程软件下载就没问题,如'myget')

这个错误我自己的解决方法是：是用软件'myget'下载 primary.xml.gz 到 "/var/cache/yum/dag/” ；然后再重新用yum安装软件。

三、使用如下命令更新到最新系统

# yum upgrade

四、安装必要的软件工具

# yum install wget bzip2 unzip zip nmap tree lynx fileutils ncftp lftp

若您需要在本机编译源代码的软件，请安装开发工具组的软件包

# yum groupinstall "Development Tools"

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转载于:https://blog.51cto.com/ylj798/1063368