To Upgrade from Red Hat 4 to Cent OS 4.7 Using yum
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You can migrate from Red Hat Enterprise Linux 4 to CentOS 4.7 using yum through SSH.
- Connect to your server via SSH (more info).
- Switch to the root user (more info).
- Run the following commands to upgrade to Cent OS 4.7:
yum clean all
rpm --import http://mirror.centos.org/centos/4/os/i386/RPM-GPG-KEY-centos4
rpm -e --nodeps redhat-release
rpm -Uvh *.rpm