Requied RPMs Download packages from http://mirrors.kernel.org/centos/4/os/i386/CentOS/RPMS/
yum-2.4.3-4.el4.centos.noarch.rpm python-elementtree-1.2.6-5.el4.centos.i386.rpm python-sqlite-1.1.7-1.2.1.i386.rpm python-urlgrabber-2.9.8-2.noarch.rpm sqlite-3.3.6-2.i386.rpm yum-2.4.3-4.el4.centos.noarch.rpm yum-metadata-parser-1.0-8.el4.centos.i386.rpm
Download packages from http://rpm.pbone.net/index.php3/stat/4/idpl/2665731/com/centos-yumconf-4-4.5.noarch.rpm.html
centos-yumconf-4-4.5.noarch.rpm
Update repo of yum
/etc/yum.repos.d/dag.repo
[dag] name=Dag RPM Repository for RHEL4 #baseurl=http://mirror.be10.com/centos/4/addons/i386/ baseurl=http://mirrors.kernel.org/centos/4/addons/i386/ #mirrorlist=http://mirror.centos.org/centos/4/addons/i386/ #mirrorlist=http://mirrors.kernel.org/centos/4/addons/i386/ enabled=1 gpgcheck=1 gpgkek=http://mirrors.kernel.org/centos/RPM-GPG-KEY-CentOS-4 #gpgkey=http://mirror.be10.com/centos/RPM-GPG-KEY-CentOS-4
/etc/yum.repos.d/CentOS-Base.repo
# CentOS-Base.repo # # This file uses a new mirrorlist system developed by Lance Davis for CentOS. [...]