vi /etc/yum.repos.d/dag.repo

[dag]
name=Dag RPM Repository for Red Hat Enterprise Linux
baseurl=http://apt.sw.be/redhat/el$releasever/en/$basearch/dag
gpgcheck=1
enabled=1


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

yum install -y httpd mysql mysql-server php php-mysql net-snmp net-snmp-utils
yum install -y zlib libpng freetype libjpeg fontconfig gd libxml2 
yum install -y rrdtool


yum install vixie-cron


echo '*/5 * * * * root /usr/bin/php /var/www/html/poller.php' >> /etc/crontab