Installing VNSTAT

A command-line network bandwidth monitoring tool, must be installed, configured and should collect network bandwidth statistics.

Software Package Requirements

• VnStat
• Apache
• PHP 5
• php-gd extension

VnStat 

• # yum install -y vnstat 

• # vnstat -u -i p4p1

• You will see the following output

• Error: Unable to read database "/var/lib/vnstat/p4p1".  
• Info: -> A new database has been created. 

• Make a Crontab entry 

• # crontab -e 

• add the following lines and exit: 
• */5 * * * * /usr/bin/vnstat -u >/dev/null 2>&1

Apache, Php and Php-gd Extension 

• # yum install httpd php php-gd -y 

• # chkconfig httpd on 

• # service httpd start 

• # iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT 

• # service iptables restart

VnStat PHP Frontend 

• Download

• cd /tmp 

• # wget http://www.sqweek.com/sqweek/files/vnstat_php_frontend-1.5.1.tar.gz 

• # tar xvf vnstat_php_frontend-1.5.1.tar.gz

• Install

• # cp -fr vnstat-php-frontend-master/ /var/www/html/vnstat 

• # cd /var/www/html/vnstat 

• # restorecon -Rv /var/www/html/vnstat/

• Configure

• # vi /var/www/html/vnstat/config.php

• Set Lagrange.
• // edit these to reflect your particular situation
  $locale = 'en_US.UTF-8';
  $language = 'en';
  
  
•  Setting network interfaces to be monitored.
• // list of network interfaces monitored by vnStat
  $iface_list = array('eth0', 'eth1');
  
  
• You can set custom names for your network interfaces.
• // optional names for interfaces
  // if there's no name set for an interface then the interface identifier.
  // will be displayed instead
  $iface_title['eth0'] = 'Internal';
  $iface_title['eth1'] = 'External';

Accessing the Graphs

•  Go to your browser and type the url
• http://localhost/vnstat