When the redhat system is installed online, the system prompts This system is not registered with RHN.

When the redhat system is installed online, the system prompts This system is not registered with RHN. 1. Uninstall the redhat yum component www.2cto.com [root @ localhost ~]. # Rpm-qa | grep yum | xargs rpm-e -- nodeps 2. Download The centos yum component [root @ localhost ~] # Wget requests ~] # Wget requests ~] # Wget http://centos.ustc.edu.cn/centos/5/ OS /i386/CentOS/yum-3.2.22-37.el5.centos.noarch.rpm 3. Install centos yum components [root @ localhost ~] # Rpm-ivh *. rpm 4. Back up the/etc/yum. repos. d/Redhat source [root @ localhost ~] # Mv rhel-debuginfo.repo rhel-debuginfo.repo.bak [root @ localhost ~] # Mv rhel-source.repo rhel-source.repo.bak 5, download update source, coexist in the system directory [root @ localhost ~] # Wget http://docs.linuxtone.org/soft/lemp/centos-base.repoin directory/etc/yum. repos. d/6. Generate cache and install [root @ localhost ~] # Yum makecache