RHEL6 64bit下更改YUM配置。yum this system is not registered with rhn的解决办法
卸载THEL6自导的YUM包
rpm -qa | grep yum | xargs rpm -e --nodeps 下载CentOS的YUM wget http://centos.ustc.edu.cn/centos/6/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm wget http://centos.ustc.edu.cn/centos/6/os/x86_64/Packages/yum-metadata-parser-1.1.2-16.el6.x86_64.rpm wget http://centos.ustc.edu.cn/centos/6/os/x86_64/Packages/yum-3.2.29-40.el6.centos.noarch.rpm 安装 rpm -ivh *.rpm 删除包 rm -rf *.rpm 更改yum源配置 cd /etc/yum.repos.d/ 先备份 mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup下面是修改RHEL的发行版本，否则YUM更新会报错
http://mirrors.163.com/centos/%24releasever/os/i386/repodata/repomd.xml: [Errno 14] HTTP Error 404 : http://mirrors.163.com/centos/%24releasever/os/i386/repodata/repomd.xml Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and try again下载Centos的release和indexhtml包，并重装。 rpm -e --nodeps redhat-release-server-6Server-6.0.0.37.el6.x86_64 redhat-indexhtml-6-1.el6.noarch wget http://mirrors.163.com/centos/6/os/i386/Packages/centos-indexhtml-6-1.el6.centos.noarch.rpm wget http://mirrors.163.com/centos/6/os/i386/Packages/centos-release-6-4.el6.centos.10.i686.rpm rpm -ivh *.rpm rm -rf *.rpm rm -rf CentOS-*.repo 下载正确的YUM源配置文件 #wget http://docs.linuxtone.org/soft/lemp/CentOS-Base.repo wget http://mirrors.163.com/.help/CentOS6-Base-163.repo 最后重新加载YUM yum clean all yum makecache (责任编辑：IT) |