修改yum使用163开源镜像升级CentOS

yum使用http://mirror.centos.org/的镜像升级和下载软件有点小慢，现在网易干了件好事就是有了http://mirrors.163.com/这个开源镜像站，速度还不是一般的快。根据网上的文章“使用163开源镜像升级你的CentOS”修改，很简单的，操作过程如下，做个笔记。平时用的是CentOS 4.7 sever版，网上多是CentOS 5.X版的，只是改动了gpgkey的验证版本和网站，因为baseurl的链接都是163的。当然不修改也可以，但是163镜像如果没有及时和CentOS镜像同步，估计使用yum时会有问题只是估计。 1.备份系统原来的CentOS-Base.repo文件：
cd /etc/yum.repos.d/
#cp -a CentOS-Base.repo CentOS-Base.repo.bak 2.用vi打开CentOS-Base.repo文件：
#vim CentOS-Base.repo 修改后的CentOS-Base.repo文件,代码如下： # CentOS-Base.repo
#
# This file uses a new mirrorlist system developed by Lance Davis for CentOS.
# 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-$releasever - Base
#mirrorlist=http://mirrorlist.centos.org/？release=$releasever&arch=$basearch&repo=os
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/
gpgcheck=1
#gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-4 #released updates
[updates]
name=CentOS-$releasever - Updates
#mirrorlist=http://mirrorlist.centos.org/？release=$releasever&arch=$basearch&repo=updates
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
baseurl=http://mirrors.163.com/centos/$releasever/updates/$basearch/
gpgcheck=1
#gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-4 #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/$basearch/
baseurl=http://mirrors.163.com/centos/$releasever/addons/$basearch/
gpgcheck=1
#gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-4 #additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
#mirrorlist=http://mirrorlist.centos.org/？release=$releasever&arch=$basearch&repo=extras
#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
baseurl=http://mirrors.163.com/centos/$releasever/extras/$basearch/
gpgcheck=1
#gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-4 #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/$basearch/
baseurl=http://mirrors.163.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
#gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-4 Linux以命令行下配置连接WLAN无线网卡新安装的CentOS 5.2 遇到kdump问题相关资讯 CentOS教程

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