add repo in Fedora18

(1)RPMforge

# wget http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt 

# rpm --import RPM-GPG-KEY.dag.txt
# rm -f RPM-GPG-KEY.dag.txt

# vi /etc/yum.repos.d/rpmforge.repo
------------------------------------------------------------------------

[rpmforge]
name=RPMforge RPM repository for Red Hat Enterprise Linux
baseurl=http://ftp.riken.jp/Linux/dag/redhat/el6/en/$basearch/rpmforge/
gpgcheck=1
enabled=0

(2)EPEL

# wget http://ftp.riken.jp/Linux/fedora/epel/RPM-GPG-KEY-EPEL-6 

# rpm --import RPM-GPG-KEY-EPEL-6
# rm -f RPM-GPG-KEY-EPEL-6

# vi /etc/yum.repos.d/epel.repo
[epel]
name=EPEL RPM Repository for Red Hat Enterprise Linux
baseurl=http://ftp.riken.jp/Linux/fedora/epel/6/$basearch/
gpgcheck=1
enabled=0