Ntop is a network traffic probe that shows the network usage, similar to what the popular top Unix command does.but the positive side is that you can use a web browser to manage and navigate through ntop traffic information to better understand network status. Ntop is based on libpcap and it has been written in a portable way in order to virtually run on every Unix platform.
1- Install the required dependencies to install Ntop:
yum install gcc gcc-c++ make libpcap libpcap-devel gdbm-devel libgd-devel libpng-devel libtool
libtool-libs rrdtool rrdtool-devel
2- Now download and extract the latest version of ntop tool
wget http://superb-west.dl.sourceforge.net/sourceforge/ntop/ntop-3.3.9.tar.gz Extract
tar -xvf ntop-3.3.9.tar.gz then go to the extracted folder
cd ntop-3.3.9 3- Now run the installation of Ntop :
./autogen.sh
4- Now use make
make 5-install
make install
6-create ntop user :
# useradd -M -s /sbin/nologin -r ntop 7-setup permioon for the ntop directories :
# chown ntop:root /usr/local/var/ntop/
# chown ntop:ntop /usr/local/share/ntop/ 8- setup ntop Admojn password
#ntop -A
9-start the ntop deamon :
# /usr/local/bin/ntop -d -L -u ntop -P /usr/local/var/ntop --skip-version-check --use-syslog=daemon 10- now open your browser with port 3000
http://localhost:3000/ or http://ip:3000
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