1 删除rhel自带的yum包：
rpm -aq | grep yum |xargs rpm -e --nodeps
2 安装yum：
[china~/yum_64#]rpm -ivh python-iniparse-0.3.1-2.1.el6.noarch.rpm warning:python-iniparse-0.3.1-2.1.el6.noarch.rpm: Header V3 RSA/SHA256 Signature, keyID c105b9de: NOKEY Preparing... ########################################### [100%] packagepython-iniparse-0.3.1-2.1.el6.noarch is already installed [china~/yum_64#]rpm -ivh yum-metadata-parser-1.1.2-16.el6.x86_64.rpm warning:yum-metadata-parser-1.1.2-16.el6.x86_64.rpm: Header V3 RSA/SHA1 Signature, keyID c105b9de: NOKEY Preparing... ########################################### [100%] 1:yum-metadata-parser ###########################################[100%] [china~/yum_64#]rpm -ivh yum-3.2.29-40.el6.centos.noarch.rpmyum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm warning:yum-3.2.29-40.el6.centos.noarch.rpm: Header V3 RSA/SHA1 Signature, key IDc105b9de: NOKEY Preparing... ########################################### [100%] 1:yum-plugin-fastestmirro########################################### [50%] 2:yum ########################################### [100%] [ichina~/yum_64#]
若提示需要依赖
libc.so.6 is neededby yum-metadata-parser-1.1.2-16.el6.i686 libc.so.6(GLIBC_2.0)is needed by yum-metadata-parser-1.1.2-16.el6.i686 libc.so.6(GLIBC_2.1.3)is needed by yum-metadata-parser-1.1.2-16.el6.i686 libglib-2.0.so.0 is needed by yum-metadata-parser-1.1.2-16.el6.i686 libpthread.so.0 is needed by yum-metadata-parser-1.1.2-16.el6.i686 libpython2.6.so.1.0 is needed by yum-metadata-parser-1.1.2-16.el6.i686 libsqlite3.so.0 is needed by yum-metadata-parser-1.1.2-16.el6.i686 libxml2.so.2 is needed by yum-metadata-parser-1.1.2-16.el6.i686 libxml2.so.2(LIBXML2_2.4.30) is needed by yum-metadata-parser-1.1.2-16.el6.i686
安装： glibc-2.12-1.107.el6.x86_64.rpm http://pkgs.org/centos-6/centos-x86_64/glibc-2.12-1.132.el6.x86_64.rpm.html
3 添加网易163的yum源
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo cp CentOS-Base-163.repo rhel-source.repo sed -i 's/\$releasever/6/g' rhel-source.repo
4 清空 yum 缓存
yum clean all
5 将服务器上的软件包信息缓存到本地
yum makecache
