首先设置镜像——我采用的镜像站点是 http://centos.ustc.edu.cn/centos
以下是我修改后的/etc/yum.repo.d/CentOS-Base.repo[记得注意备份哦]文件内容:
- [base]
- name=CentOS-$releasever - Base
- #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
- baseurl=http://centos.ustc.edu.cn/centos/$releasever/os/$basearch/
- gpgcheck=1
- gpgkey=http://centos.ustc.edu.cn/centos/RPM-GPG-KEY-CentOS-5
- #released updates
- [updates]
- name=CentOS-$releasever - Updates
- #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
- baseurl=http://centos.ustc.edu.cn/centos/$releasever/updates/$basearch/
- gpgcheck=1
- gpgkey=http://centos.ustc.edu.cn/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=$basearch&repo=addons
- baseurl=http://centos.ustc.edu.cn/centos/$releasever/addons/$basearch/
- gpgcheck=1
- gpgkey=http://centos.ustc.edu.cn/centos/RPM-GPG-KEY-CentOS-5
- #additional packages that may be useful
- [extras]
- name=CentOS-$releasever - Extras
- #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
- baseurl=http://centos.ustc.edu.cn/centos/$releasever/extras/$basearch/
- gpgcheck=1
- gpgkey=http://centos.ustc.edu.cn/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=$basearch&repo=centosplus
- baseurl=http://centos.ustc.edu.cn/centos/$releasever/centosplus/$basearch/
- gpgcheck=1
- enabled=0
- gpgkey=http://centos.ustc.edu.cn/centos/RPM-GPG-KEY-CentOS-5
- #contrib - packages by Centos Users
- [contrib]
- name=CentOS-$releasever - Contrib
- #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib
- baseurl=http://centos.ustc.edu.cn/centos/$releasever/contrib/$basearch/
- gpgcheck=1
- enabled=0
- gpgkey=http://centos.ustc.edu.cn/centos/RPM-GPG-KEY-CentOS-5
注意:一开始我在网上看到有的其中只修改了baseurl后的地址,我尝试未成功,之后将gpgkey后的地址也同时改掉,就可以了。
修改后步骤:
- yum clean all %没有这句有时会出错
- yum update
- reboot
最后查看是否成功
- lsb_release -a