Quick and easisest way: wget http://apt.sw.be/redhat/el5/en/x86_64/rpmforge/RPMS//rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm rpm -Uvh rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm yum install ntop # Get yum ready yum clean all yum update # Install Development Tools yum groupinstall “Development Tools” # Install more ntop Dependencies yum install libpcap-devel libpcap # Install RDD tools dependencies yum install cairo-devel libxml2-devel pango-devel pango libpng-devel freetype freetype-devel libart_lgpl-devel # Download, compile and install RDDTools wget http://oss.oetiker.ch/rrdtool/pub/rrdtool-1.4.5.tar.gz tar xvzf rrdtool-1.4.5.tar.gz cd rrdtool-1.4.5 ./configure make make install # Download, compile and Install GeopIP wget http://geolite.maxmind.com/download/geoip/api/c/GeoIP.tar.gz tar xvzf GeoIP.tar.gz cd GeoIP-1.4.6/ ./configure ./make ./make install NOTE: config at: /usr/local/etc/GeoIP.conf ...