yum安裝

首先 rpm -qa|grep yum  查看 yum 服務相關的包     
# rpm -qa|grep yum
yum-security-1.1.16-13.el5_4.1 
yum-3.2.22-33.el5 
yum-updatesd-0.9-2.el5 
yum-metadata-parser-1.1.2-3.el5    


# rpm -qa|grep yum|xargs rpm -e --nodeps           強制刪除這一些包    CentOS yum 服務相關的 rpm 包    


--64位機器安裝
wget http://centos.ustc.edu.cn/centos/5/os/x86_64/CentOS/yum-3.2.22-39.el5.centos.noarch.rpm    
wget http://centos.ustc.edu.cn/centos/5/os/x86_64/CentOS/yum-fastestmirror-1.1.16-21.el5.centos.noarch.rpm    
wget http://centos.ustc.edu.cn/centos/5/os/x86_64/CentOS/yum-metadata-parser-1.1.2-3.el5.centos.x86_64.rpm 


--32位機器安裝
wget http://centos.ustc.edu.cn/centos/5/os/i386/CentOS/yum-3.2.22-39.el5.centos.noarch.rpm
wget http://centos.ustc.edu.cn/centos/5/os/i386/CentOS/yum-fastestmirror-1.1.16-21.el5.centos.noarch.rpm    
wget http://centos.ustc.edu.cn/centos/5/os/i386/CentOS/yum-metadata-parser-1.1.2-3.el5.centos.i386.rpm




--鏡像可能有變化，如果鏡像找不到。在瀏覽器中找好http://centos.ustc.edu.cn/centos/5/os
# rpm -ivh yum-* 


# cd /etc/yum.repos.d/     
# mv rhel-debuginfo.repo rhel-debuginfo.repo.bakup     
# mv rhel-source.repo rhel-source.repo.bakup     
# wget http://docs.linuxtone.org/soft/lemp/CentOS-Base.repo    (下載CentOS的repo包)     
# yum makecache     等待 yum 庫更新完畢，就可以 yum 安裝軟件了