Install Dag's repository RPM

rpm -Uhv http://apt.sw.be/redhat/el5/en/i386/dag/RPMS/rpmforge-release-0.3.6-1.el5.rf.i386.rpm

Install all packages (separated for accounting purposes)

yum -y install httpd php php-mysql mysql-server php-snmp php-gd

yum -y install perl-Net-Telnet-Cisco perl-Algorithm-Diff perl-Net-Telnet perl-Net-SNMP net-snmp rrdtool

For some reason, I can't figure out how to make DokuWiki useful. Instead, instructions are posted on my personal site: http://notes.ozmonet.com/NeDi