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vnStat PHP: A Graphical Frontend for vnStat Network Bandwidth Monitoring Tool

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We have already shown you how to install and monitor network interface bandwidth usage using vnStat in our previous article. Since vnStat command is only command mode, the author of vnStat have created cool Graphical PHP frontend called vnStat PHP frontend to view vnStat graphs. You can view the network interfaces bandwidth usages in you browser itself. I must thank Unixmen Reader Padhu for mentioning this tool. Well, let us see how to install and configure vnStat PHP frontend utility.

Prerequisites

Before proceed, vnStat tool should be properly installed and should collect network statistics. To know more about installaing and Monitoring vnStat tool, refer our previous article here.

And you have to install Apache, PHP and php-gd extension. Enter the following command to install them.

On Ubuntu/Debian:

$ sudo apt-get install apache2 php5 php5-gd

On CentOS/RHEL:

$ yum install httpd php php-gd -y

Start Apache service.

On Ubuntu/Debian:

$ sudo /etc/init.d/apache2 start

On CentOS/RHEL:

$ service httpd start
$ chkconfig httpd on

Getting vnStat PHP

Download vnStat PHP tool using the following command:

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

Extract it using command:

$ tar xvf vnstat_php_frontend-1.5.1.tar.gz

It will be extracted as folder vnstat_php_frontend-x.x.x in your current directory. Copy the contents of the folder to web server root folder as shown below.

On Ubuntu/Debian:

$ sudo cp -fr vnstat_php_frontend-1.5.1/ /var/www/vnstat

On CentOS/RHEL:

$ sudo cp -fr vnstat_php_frontend-1.5.1/ /var/www/html/vnstat

Configure

Open vnStat PHP config.php file.

On Ubuntu/Debian:

$ sudo vi /var/www/vnstat/config.php

On CentOS/RHEL:

$ sudo vi /var/www/vnstat/html/config.php

Set your language:

[...]
// edit these to reflect your particular situation
    //
    $locale = 'en_US.UTF-8';
    $language = 'en';
[...]

Enter you network interfaces to be monitored. In my case I am monitoring eth0 and eth1:

[...]
// list of network interfaces monitored by vnStat
    $iface_list = array('eth0', 'eth1');
[...]

Save and exit the file.

Testing

Navigate to http://localhost/vnstat or http://ip-address/vnstat from your web browser. Now you will able to see the network graphs as shown below.

vnStat - PHP frontend - Mozilla Firefox_001View by Hours:

Click on the link hours in the left pane, you’ll be able to view the usage in hourly basis.

vnStat - PHP frontend - Mozilla Firefox_002

Also you can set the names for your network interfaces. To do so, open config.php file and edit as shown below.

[...]
// 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';
[...]

You can define your own names. Now refresh the page. You will see that the network interfaces names has been changed.

vnStat - PHP frontend - Mozilla Firefox_003

Note: Allow your Apache default port 80 through your firewall/router, if you want to view them from a remote system.

--------------------------------------------------------------------- vnStat PHP: A Graphical Frontend for vnStat Network Bandwidth Monitoring Tool


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