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To Upgrade from Red Hat 4 to Cent OS 4.7 Using yum

Some of the information in this article is advanced material we make available as a courtesy. Please be advised that you are responsible for properly following the procedures below. Customer Support cannot assist with these topics.

You can migrate from Red Hat Enterprise Linux 4 to CentOS 4.7 using yum through SSH.

    1. Connect to your server via SSH (more info).
    2. Switch to the root user (more info).
    3. Run the following commands to upgrade to Cent OS 4.7:
      yum clean all
      mkdir ~/centos
      cd ~/centos/

      wget http://mirror.centos.org/centos/4/os/i386/CentOS/RPMS/centos-release-4-7.i386.rpm
      wget http://mirror.centos.org/centos/4/os/i386/CentOS/RPMS/python-elementtree-1.2.6-5.el4.centos.i386.rpm
      wget http://mirror.centos.org/centos/4/os/i386/CentOS/RPMS/python-sqlite-1.1.7-1.2.1.i386.rpm
      wget http://mirror.centos.org/centos/4/os/i386/CentOS/RPMS/python-urlgrabber-2.9.8-2.noarch.rpm
      wget http://mirror.centos.org/centos/4/os/i386/CentOS/RPMS/sqlite-3.3.6-2.i386.rpm
      wget http://mirror.centos.org/centos/4/os/i386/CentOS/RPMS/yum-2.4.3-4.el4.centos.noarch.rpm
      wget http://mirror.centos.org/centos/4/os/i386/CentOS/RPMS/yum-metadata-parser-1.0-8.el4.centos.i386.rpm

      rpm --import http://mirror.centos.org/centos/4/os/i386/RPM-GPG-KEY-centos4
      rpm -e --nodeps redhat-release
      rpm -Uvh *.rpm

      yum upgrade

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