redhat 安装Yum

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今天发现自己的yum不能用了,于是就决定重新安装配置我的yum,其实我之前也没怎么用过yum。

好了,废话也不多说了,直接干。

1.首先需要确定系统架构
确认是x86_64之后,在网易的mirrors下载需要的rpm包:(如果是i386的话则需要到http://mirrors.163.com/centos/5/os/i386/CentOS/ 找到对应的软件包,如果下面的x86_64无法访问的话,说明下面的rpm包更新了,大家可以在http://mirrors.163.com/centos/5/os/x86_64/CentOS/ 下载相对应的rpm包)

wget http://mirrors.163.com/centos/5/os/x86_64/CentOS/m2crypto-0.16-8.el5.x86_64.rpmwget http://mirrors.163.com/centos/5/os/x86_64/CentOS/python-elementtree-1.2.6-5.x86_64.rpmwget http://mirrors.163.com/centos/5/os/x86_64/CentOS/python-iniparse-0.2.3-4.el5.noarch.rpmwget http://mirrors.163.com/centos/5/os/x86_64/CentOS/python-sqlite-1.1.7-1.2.1.x86_64.rpmwget http://mirrors.163.com/centos/5/os/x86_64/CentOS/python-urlgrabber-3.1.0-6.el5.noarch.rpmwget http://mirrors.163.com/centos/5/os/x86_64/CentOS/yum-3.2.22-37.el5.centos.noarch.rpmwget http://mirrors.163.com/centos/5/os/x86_64/CentOS/yum-fastestmirror-1.1.16-16.el5.centos.noarch.rpmwget http://mirrors.163.com/centos/5/os/x86_64/CentOS/yum-metadata-parser-1.1.2-3.el5.centos.x86_64.rpm 

2.然后安装(升级)软件包,并导入证书

#rpm -Uvh *#rpm -import http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5 


3.让yum使用网易的源:

#cd /etc/yum.repos.d/#wget http://mirrors.163.com/.help/CentOS-Base-163.repo 


4.使用

#vi CentOS-Base-163.repo
在所有mirrorlist前面加上#,把所有$releasever替换成5,保存


5.清理并重新生成yum缓存

#yum -y upgrade