Hack The Sec-Leading Resource Of Linux Tutorial: vnStat

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<span style="color: #660000;">How to Setup vnStat (Network Traffic Monitor) on Ubuntu / Debian / LinuxMint</span></h2>
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<span style="font-family: Arial, Helvetica, sans-serif;">vnStat is a console-based utility which monitor network traffic ( transmit and received ) on selected network interface and stored it. This article will help you to install and setup vnStat on your server and setup web-based graph using vnstat-php application.</span></div>
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<li style="font-size: 16px;"><span style="color: red;"><span style="font-family: 'Roboto Slab';"> </span><a href="http://www.hackthesec.co.in/2016/01/how-to-install-munin-network-monitoring.html" style="font-family: 'Roboto Slab'; outline: none; text-decoration: none;">Install Munin Network Monitoring Tool</a></span></li>
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<span style="color: red; font-size: small;"> <a href="http://www.hackthesec.co.in/2016/01/how-to-install-awstats-apache-log.html" target="_blank">How to Install AWStats (Apache Log Analyzer)</a></span></h2>
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<span style="font-size: 24px; font-weight: bolder; line-height: 34px;"><span style="color: #0b5394;">1. Install vnStat</span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;">vnstat packages are available under default repositories. Use the following command to install it.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">root@hackthesec:~$ <orange style="color: orange;">sudo apt-get update </orange>
root@hackthesec:~$ <orange style="color: orange;">sudo apt-get install vnstat </orange>

Fetched 85.3 kB in 1s (50.2 kB/s) 
Selecting previously unselected package vnstat.
(Reading database ... 448551 files and directories currently installed.)
Preparing to unpack .../vnstat_1.11-2_amd64.deb ...
Unpacking vnstat (1.11-2) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Processing triggers for ureadahead (0.100.0-16) ...
Setting up vnstat (1.11-2) ...
 * Starting vnStat daemon vnstatd Zero database found, adding available interfaces...
"eth0" added, 100 Mbit bandwidth limit.
-> 2 interfaces added. Limits can be modified using the configuration file.
                                                                         [ OK ]
Processing triggers for ureadahead (0.100.0-16) ...
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<span style="color: #0b5394;">2. Setup vnStat</span></h2>
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<span style="font-family: Arial, Helvetica, sans-serif;">After successful installation edit vnstat configuration file ( /etc/vnstat.conf ) and update Interface option as per network interface you want to monitor by vnstat. In my case I am monitoring eth0 interface.</span></div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; font-size: 0.9em; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">Interface "eth0"
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<span style="color: #0b5394;">3. View Statistics with Command</span></h2>
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<span style="font-family: Arial, Helvetica, sans-serif;">Using vnstat command line utility you can view statistics on bandwidth on per day, per month and per hour basis. It also provides option to show statistics in real-time.</span></div>
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<li style="border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Show Statistics for a Day</span><pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">root@hackthesec:~# <orange style="color: orange;">vnstat -d </orange>

eth0  /  daily

day         rx      |     tx      |    total    |   avg. rate
 ------------------------+-------------+-------------+---------------
  12/01/15    197.64 MiB |    7.84 MiB |  205.48 MiB |   43.94 kbit/s
 ------------------------+-------------+-------------+---------------
 estimated       444 MiB |      15 MiB |     459 MiB |
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<li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: 'Roboto Slab'; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Show Statistics for a Month</span><pre style="background-attachment: scroll; background-clip: initial; background-color: #3c3c3c; background-image: none; background-origin: initial; background-position: 0px 0px; background-repeat: repeat; background-size: initial; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">admin@<span style="font-family: 'Roboto Slab'; font-size: 0.9em; line-height: 1.3em;">hackthesec</span><span style="font-family: 'Roboto Slab'; font-size: 0.9em; line-height: 1.3em;">:~$ </span><orange style="color: orange; font-family: 'Roboto Slab'; font-size: 0.9em; line-height: 1.3em;">vnstat -m </orange></pre>
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<li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: 'Roboto Slab'; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Show Statistics for a Hour</span><pre style="background-attachment: scroll; background-clip: initial; background-color: #3c3c3c; background-image: none; background-origin: initial; background-position: 0px 0px; background-repeat: repeat; background-size: initial; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">admin@<span style="font-family: 'Roboto Slab'; font-size: 0.9em; line-height: 1.3em;">hackthesec</span><span style="font-family: 'Roboto Slab'; font-size: 0.9em; line-height: 1.3em;">:~$ </span><orange style="color: orange; font-family: 'Roboto Slab'; font-size: 0.9em; line-height: 1.3em;">vnstat -h </orange></pre>
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<li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: 'Roboto Slab'; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Show Statistics in Real Time</span><pre style="background-attachment: scroll; background-clip: initial; background-color: #3c3c3c; background-image: none; background-origin: initial; background-position: 0px 0px; background-repeat: repeat; background-size: initial; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">admin@<span style="font-family: 'Roboto Slab'; font-size: 0.9em; line-height: 1.3em;">hackthesec</span><span style="font-family: 'Roboto Slab'; font-size: 0.9em; line-height: 1.3em;">:~$ </span><orange style="color: orange; font-family: 'Roboto Slab'; font-size: 0.9em; line-height: 1.3em;">vnstat -l </orange></pre>
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<span style="color: #0b5394;">4. Setup vnStat Web Interface.</span></h2>
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<span style="font-family: Arial, Helvetica, sans-serif;">vnStat also provides php based web interface to show graphical statistics. In order to set up vnStat web interface, it required to have Apache, php and php-gd packages on your system.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">$ sudo apt-get install apache2 php5 php5-gd
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4.1. Download vnStat Source Archive</h3>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="color: #555555;">Now download vnStat php source code from its </span><a href="http://www.sqweek.com/sqweek/index.php?p=1" style="outline: none; text-decoration: none;" target="_blank"><span style="color: #0b5394;">official web-page</span></a><span style="color: #555555;"> or use following command.</span></span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">$ wget http://www.sqweek.com/sqweek/files/vnstat_php_frontend-1.5.1.tar.gz
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<span style="font-family: Arial, Helvetica, sans-serif;">Now extract downloaded archive in web accessible directory, eg: <em style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">/var/www/html/vnstat</em></span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">$ tar xzf vnstat_php_frontend-1.5.1.tar.gz
$ mv vnstat_php_frontend-1.5.1 /var/www/html/vnstat
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4.2. Edit Configuration File</h3>
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<span style="font-family: Arial, Helvetica, sans-serif;">Now edit vnstat-php configuration file <green><span style="border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">config.php</span></green> file and set the following parameters as per your requirements.</span></div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; font-size: 0.9em; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">$language = 'en';
$iface_list = array('eth0', 'sixxs');
$iface_title['eth0'] = 'Public Interface';
$vnstat_bin = '/usr/bin/vnstat';
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4.3. Access vnStat in Web browser</h3>
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<span style="font-family: Arial, Helvetica, sans-serif;">Now access vnStat in web browser using server FQDN or IP address. eg:</span></div>
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