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> Monitoring Network Traffic, a quick easy way :P
wolfsta
post Jul 21 2004, 06:26 PM
Post #1


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Hey all smile.gif

Just at work and needed to monitor the network usage at our gateway and thought this might be of interest to you.

vnstat --> http://humdi.net/vnstat/

This is a really simple app for monitoring network traffic.

I pulled down MRTG because ive used it at home but just too complex/time consuming for the simple task i needed. Something quick and easy was required. Although this doesnt do web output like MRTG or have a gui, it is nice and simple.

Installing:

First go grab the latest version from http://humdi.net/vnstat/
(at time of writing it was vnstat-1.4.tar.gz - source (25.6 kB)

next untar and unzip the file to somewhere like /usr/local/src
CODE
tar xzvf vnstat-1.4.tar.gz


move into the newly created dir (/usr/local/src/vnstat-1.4) and begin installing
CODE
cd /usr/local/src/vnstat-1.4
make
make install


Some kernels maybe broken and unable to run with vnstat so you need to run this command to make sure everything is happy smile.gif
CODE
vnstat --testkernel


And last but not least we need to tell vnstat which network interfaces we want it to monitor. This will monitor eth0 only. If you want to monitor other interfaces simply type it again with a different interface on the end tongue.gif
CODE
vnstat -u -i eth0


If you would like to give your network interfaces names for the output use this code
CODE
vnstat -u -i eth0 --nick internet
vnstat -u -o eth1 --nick local


Thats it biggrin.gif all installed

To have a look at what is going on simply type in one of the following options
CODE
vnstat        -->   simple summary
vnstat -d   -->    daily summary
vnstat -w   -->   weekly summary
vnstat -m   -->   monthly summary


There are more options and ways of installing than i have shown... this is just a quick simple setup..

For more info see the man or web page http://humdi.net/vnstat/

Enjoy

Wolfsta tongue.gif

P.S My first guide, simple i know but comments (corrections unsure.gif) appreciated smile.gif
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- wolfsta   Monitoring Network Traffic   Jul 21 2004, 06:26 PM


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