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===Description===
vnStat is a network traffic monitor for Linux that keeps a log of daily network traffic for the selected interface(s). For more information have a look [http://humdi.net/vnstat/ here].
Based on How to install vnstat and the the PHP frontent.<br>
[Original post http://forums.contribs.org/index.php?topic=42444]<br>
===Installation===
To install vnStat you will need to have the Dag repository configured on your system. If you do not have the repository installed follow this instruction, otherwise skip to the next section:
====Configuring Dag repository====
You need to activate the [[Dag]] reposity before installing this contrib.<br />
see [[dag|dag repository]] <br />
====Install vnStat====
If you have configured the dag repository, installation is as simple as:
yum install vnstat --enablerepo=dag
signal-event post-upgrade
signal-event reboot
====Add the monitored Interfaces====
Add the interfaces you would like to monitor:
Add the interfaces you would like to monitor:
vnstat -u -i eth0
vnstat -u -i eth0
vnstat -u -i eth1
vnstat -u -i eth1
You should get an error about the database not existing but it will also say it created it. It is safe to ignore the error message.
you also need to edit /etc/sysconfig/vnstat to add your iface to the update job
vim /etc/sysconfig/vnstat
VNSTAT_OPTIONS="-u"
see http://forums.contribs.org/index.php/topic,45174.0.html
===Install vnStat PHP FrontEnd===
"...Since vnStat is console mode only I created this script to make a 'nice' report of the data collected by vnStat...." ([http://www.sqweek.com/sqweek/index.php?p=1 Read More)]
There is no yum repo for this so you will need to go to: http://www.sqweek.com/sqweek/index.php?p=1 to find the latest. Determine the link to the latest release and replace the '''wget''' command (below) accordingly.
The below instructions put the file into the Primary ibay, you can also put it in a dedicated ibay or in /opt as suits your needs and security requirements.
Get the frontend and configure:
cd /home/e-smith/files/ibays/Primary/html/
cd /home/e-smith/files/ibays/Primary/html/
wget http://www.sqweek.com/sqweek/files/vnstat_php_frontend-1.4.tar.gz
wget http://www.sqweek.com/sqweek/files/vnstat_php_frontend-1.4.1.tar.gz
tar -xvzf vnstat_php_frontend-1.4.tar.gz
tar -xvzf vnstat_php_frontend-1.4.1.tar.gz
cd vnstat_php_frontend-1.4
cd vnstat_php_frontend-1.4.1
nano config
nano config.php:<br>
Edit the information about the interfaces you would like to graph:
$iface_list = array('eth0', 'eth1');
The optional names:
$iface_title['eth0'] = 'Internal';
$iface_title['eth1'] = 'Internet';
Finnaly set application path:
$vnstat_bin = 'vnstat';
Wait and you should see the application working at http://yourserverIP/vnstat_php_frontend-1.4.1
===Troubleshooting===
It is advisable to make the following change (as per user advice here http://forums.contribs.org/index.php/topic,45174.msg218884.html#msg218884)
Edit the vnstat cron file
nano /etc/cron.d/vnstat
Change the line
*/5 * * * * nobody /usr/sbin/vnstat.cron
to read
*/5 * * * * root /usr/sbin/vnstat.cron
Restart crond.
service crond restart
===References===
http://forums.contribs.org/index.php/topic,45174.0.html
http://forums.contribs.org/index.php/topic,48420.0.html
http://forums.contribs.org/index.php/topic,48422.0.html
http://humdi.net/vnstat/
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[[Category: Howto]]
[[Category: Administration:Monitoring]]
