[root@web ~]# egrep -v '^#|^$' /etc/sysconfig/rhn/sources
yum dag http://apt.sw.be/redhat/el3/en/$ARCH/dag
up2date default

[root@web ~]# egrep -v '^#|^$' /etc/sysconfig/rhn/sources
yum dag http://apt.sw.be/redhat/el3/en/$ARCH/dag
up2date default