1、删除原有的yum:
[root@heartbeat ~]# rpm -aq|grep yum|xargs rpm -e --nodeps
2、安装新的yum
《1》rpm –ivh ftp://mirror.switch.ch/pool/1/mirror/scientificlinux/6rolling/i386/os/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm
注:python-iniparse-0.3.1-2.1.el6.noarch.rpm这个版本可能随着包的更新导致在这个地址上不一定存在,可输入http://mirrors.163.com/centos/6/os/x86_64/Packages(CentOS6),这个页上面有具体包列表,查找python-iniparse的包,修改为正确的地址即可。下面几步和这一步相似。
《2》rpm -ivh wget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
《3》rpm -ivh http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-3.2.29-40.el6.centos.noarch.rpm http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm
注:这是两个rpm包
rpm -ivh python-iniparse-0.3.1-2.1.el6.noarch.rpm
rpm -ivh yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
rpm -ivh yum-3.2.29-43.el6.centos.noarch.rpm yum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm
《4》cd /etc/yum.repos.d/
《5》wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
《6》sed -i "s/\$releasever/6/" CentOS6-Base-163.repo
《7》yum makecache
参考文档 http://www.linuxidc.com/Linux/2013-06/86202.htm