Adding New repositories to YUM

to add new repos in yum follow the steps below.

cd /etc/yum.repos.d/
vi dag.repo // the add the following lines in that file//

[dag]
name=Dag RPM Repository for Red Hat Enterprise Linux
baseurl=http://apt.sw.be/redhat/el$releasever/en/$basearch/dag
gpgcheck=1
rpm --import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt

//save and quit//

for remi repo visit the url below

http://blog.famillecollet.com/pages/Config-en