Bandwidth Usage Monitor

[Bruno Wolff III]

On Mon, Aug 13, 2007 at 16:54:18 +0530,
  "Vivek J. Patankar" <list307 at gmail.com> wrote:
> 
> Both MRTG and Cacti I am aware off and in my case they would be an 
> overkill. I just need to keep track of how much of my monthly GPRS 
> traffic quota has been utilised so that I can keep my phone bill sane.

For something lighter weight, you can use iptables statistics. You just
need a rule to match the traffic you want to count and use iptables -L -v
to check the count. The -Z option can be used to zero counts.