[base] name=Red Hat Enterprise Linux $releasever -Base baseurl=http://ftp.riken.jp/Linux/caos/centos/5.0/os/$basearch/ gpgcheck=1 [update] name=Red Hat Enterprise Linux $releasever -Updates baseurl=http://ftp.riken.jp/Linux/caos/centos/5.0/updates/$basearch/ gpgcheck=1 [extras] name=Red Hat Enterprise Linux $releasever -Extras baseurl=http://ftp.riken.jp/Linux/caos/centos/5.0/extras/$basearch/ gpgcheck=1 [addons] name=Red Hat Enterprise Linux $releasever -Addons baseurl=http://ftp.riken.jp/Linux/caos/centos/5.0/addons/$basearch/ gpgcheck=1
3.修改或建立/etc/yum.repos.d/dag.repo為如下內容：
[dag] name=Dag RPM Repository for RHEL5 baseurl=http://ftp.riken.jp/Linux/dag/redhat/el5/en/$basearch/dag/ enabled=1 gpgcheck=1 gpgkey=http://ftp.riken.jp/Linux/dag/packages/RPM-GPG-KEY.dag.txt
