http://packages.ntop.org/centos-stable/

wget http://packages.ntop.org/centos-stable/ntop.repo -O /etc/yum.repos.d/ntop.repo
yum install pfring n2disk nprobe ntopng ntopng-data cento pfring-drivers-zc-dkms redis
systemctl start redis
systemctl start ntopng

IP:3000  admin/admin