2010年現在、redhat9にyumを入れてみる。

( Linux )
wget http://ftp.kddilabs.jp/Linux/packages/fedora.legacy/redhat/9/updates/i386/gnupg-1.2.1-9.i386.rpm
wget http://ftp.kddilabs.jp/Linux/packages/fedora.legacy/redhat/9/legacy-utils/i386/yum-2.0.5-0.9.2.legacy.noarch.rpm
rpm -ivh gnupg-1.2.1-9.i386.rpm
rpm -ivh yum-2.0.5-0.9.2.legacy.noarch.rpm

wget http://dag.wieers.com/rpm/packages/rpmforge-release/rpmforge-release-0.3.6-1.rh9.rf.i386.rpm
rpm -ivh rpmforge-release-0.3.6-1.rh9.rf.i386.rpm

# ここで依存性エラーが出てしまいインストールできませんでした
#rpm -ivh yum-2.0.5-0.9.2.legacy.noarch.rpm
wget http://dag.wieers.com/packages/RPM-GPG-KEY.dag.txt
wget http://dag.wieers.com/packages/RPM-GPG-KEY.dag.txt
rpm --import RPM-GPG-KEY.dag.txt
wget http://packages.sw.be/libxml2/libxml2-python-2.6.16-1.0.rh9.rf.i386.rpm
wget http://packages.sw.be/libxml2/libxml2-2.6.16-1.0.rh9.rf.i386.rpm
wget http://packages.sw.be/libxml2/libxml2-devel-2.6.16-1.0.rh9.rf.i386.rpm
wget ftp://ftp.muug.mb.ca/mirror/redhat/redhat/linux/9/en/os/i386/RedHat/RPMS/zlib-devel-1.1.4-8.i386.rpm

rpm -ivh zlib-devel-1.1.4-8.i386.rpm
rpm -ivh libxml2-*
rpm -ivh yum-2.0.5-0.9.2.legacy.noarch.rpm
vi /etc/yum.conf
[rpmforge]
name = Red Hat $releasever - RPMforge.net - dag
baseurl = http://apt.sw.be/redhat/9/en/$basearch/dag
mirrorlist = http://apt.sw.be/redhat/9/en/mirrors-rpmforge
#mirrorlist = file:///etc/yum.repos.d/mirrors-rpmforge
enabled = 1
protect = 0
gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmforge-dag
gpgcheck = 1

■参考サイト http://d.hatena.ne.jp/onering/20080708/1215517963