In case your OS is not CentOS or the default installation does not meet your requirements, you can download and install nfdump and nfsen from the sources1).
CentOS/RedHat/Oracle: yum install gcc-c++,rrdtool-devel,perl-rrdtool,flex,perl-Socket6,perl-MailTools,httpd,php Ubuntu: apt-get install build-essential flex librrd-dev byacc librrds-perl libmailtools-perl libsocket6-perl apt-get install apache2 php5 libapache2-mod-php5
wget http://vasexperts.ru/centos/6/x86_64/nfdump-1.6.9.2.CKAT.tar.gz wget http://vasexperts.ru/centos/6/x86_64/nfsen-1.3.6p1.2.CKAT.tar.gz tar xvzf nfdump-1.6.9.2.CKAT.tar.gz tar xvzf nfsen-1.3.6p1.2.CKAT.tar.gz
cd nfdump-1.6.9.2.CKAT ./configure --enable-scat --enable-nfprofile --prefix=/usr/bin make make install
cd nfsen-1.3.6p1.2.CKAT vi etc/nfsen.conf ./install.pl etc/nfsen.conf