Guide how to Install yum On RHEL 4
1. Download yum by using wget
# wget http://linux.duke.edu/projects/yum/download/2.0/yum-2.0.8-1.noarch.rpm
2. Install the rpm
# rpm -ivh yum-2.0.8-1.noarch.rpm
3. Configure /etc/yum.conf to use compatible repository
[main]
cachedir=/var/cache/yum
debuglevel=2
logfile=/var/log/yum.log
pkgpolicy=newest
distroverpkg=redhat-release
tolerant=1
exactarch=1
[base]
name=CentOS-$releasever – Base
baseurl=http://mirror.centos.org/centos/4/os/i386/
gpgcheck=1
[updates]
name=Red Hat Linux $releasever – Updates
baseurl=http://mirror.centos.org/centos/4/updates/i386/
gpgcheck=1
4. Download and install the CentOS GPG Key
# rpm –import http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-4
5. Test yum to see if it works (I tested by running full update on my machine)
# yum update