更改centos 5 yum源

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                [color="#0000ff"]根据需要选择设置源：
[color="#0000ff"]一、如何设置CentOS 5的yum源为上海交通大学网站
[color="#0000ff"]二、设置yum源为国内的服务器
[color="#0000ff"]三、CentOS 下使用本地镜像源
[color="#0000ff"]一。如何设置CentOS 5的yum源为上海交通大学网站
[color="#0000ff"]1．修改/etc/yum.repos.d/CentOS-Base.repo为:
[color="#0000ff"]CentOS-Base.repo
[color="#0000ff"][base]
[color="#0000ff"]name=CentOS-5 - Base
[color="#0000ff"]#mirrorlist=http://mirrorlist.centos.org/?release=$releasever5&arch=$basearch&
[color="#0000ff"]repo=os
[color="#0000ff"]#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
[color="#0000ff"]baseurl=http://ftp.sjtu.edu.cn/centos/5.0/os/$basearch/
[color="#0000ff"]gpgcheck=1
[color="#0000ff"]gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5
[color="#0000ff"]#released updates
[color="#0000ff"][update]
[color="#0000ff"]name=CentOS-5 - Updates
[color="#0000ff"]#mirrorlist=http://mirrorlist.centos.org/?release=4&arch=$basearch&repo=updates
[color="#0000ff"]baseurl=http://ftp.sjtu.edu.cn/centos/5.0/updates/$basearch/
[color="#0000ff"]gpgcheck=1
[color="#0000ff"]gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5
[color="#0000ff"]#packages used/produced in the build but not released
[color="#0000ff"][addons]
[color="#0000ff"]name=CentOS-5 - Addons
[color="#0000ff"]#mirrorlist=http://mirrorlist.centos.org/?release=4&arch=$basearch&repo=addons
[color="#0000ff"]baseurl=http://ftp.sjtu.edu.cn/centos/5.0/addons/$basearch/
[color="#0000ff"]gpgcheck=1
[color="#0000ff"]gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5
[color="#0000ff"]#additional packages that may be useful
[color="#0000ff"][extras]
[color="#0000ff"]name=CentOS-5 - Extras
[color="#0000ff"]#mirrorlist=http://mirrorlist.centos.org/?release=4&arch=$basearch&repo=extras
[color="#0000ff"]baseurl=http://ftp.sjtu.edu.cn/centos/5.0/extras/$basearch/
[color="#0000ff"]gpgcheck=1
[color="#0000ff"]gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5
[color="#0000ff"]#additional packages that extend functionality of existing packages
[color="#0000ff"][centosplus]
[color="#0000ff"]name=CentOS-5 - Plus
[color="#0000ff"]#mirrorlist=http://mirrorlist.centos.org/?release=4&arch=$basearch&repo=centosplus
[color="#0000ff"]baseurl=http://ftp.sjtu.edu.cn/centos/5.0/centosplus/$basearch/
[color="#0000ff"]gpgcheck=1
[color="#0000ff"]enabled=0
[color="#0000ff"]gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5
[color="#0000ff"]#contrib - packages by Centos Users
[color="#0000ff"][contrib]
[color="#0000ff"]name=CentOS-5 - Contrib
[color="#0000ff"]#mirrorlist=http://mirrorlist.centos.org/?release=4&arch=$basearch&repo=contrib
[color="#0000ff"]baseurl=http://ftp.sjtu.edu.cn/centos/5.0/contrib/$basearch/
[color="#0000ff"]gpgcheck=1
[color="#0000ff"]enabled=0
[color="#0000ff"]gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos5
[color="#0000ff"]2．执行
[color="#0000ff"]64位：
[color="#0000ff"]rpm --import
               

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