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List:       fedora-list
Subject:    Re: How to list this data -
From:       Suvayu Ali <fatkasuvayu+linux () gmail ! com>
Date:       2009-10-31 23:11:05
Message-ID: 4AECC409.8070603 () gmail ! com
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Hi Bob,

On Saturday 31 October 2009 11:41 AM, Bob Goodwin wrote:
> 
> My objective being to keep a record of daily bandwidth usage. [35% or
> 6.0 gB is my current usage, 17.0 the 30 day download allotment, the
> other numbers for upload usage.]

I know this is not the answer to your question but since you mention you 
want to monitor your bandwidth usage, you could try vnstat[1]. Its a 
very nifty light weight utility which keeps track of your network 
traffic by running cron jobs at small intervals of time[2] and presents 
all the information in neat graphs on the console.

It looks something like this (monthly, daily and hourly usage),
> $ vnstat -m
> 
> eth0  /  monthly
> 
> month         rx      |      tx      |   total
> -------------------------+--------------+--------------------------------------
> Jul '09      27.70 GB  |     4.04 GB  |    31.74 GB   %%%%%:
> Aug '09      47.89 GB  |     8.53 GB  |    56.41 GB   %%%%%%%%%::
> Sep '09      46.46 GB  |    22.15 GB  |    68.61 GB   %%%%%%%%%::::
> Oct '09      77.20 GB  |    35.38 GB  |   112.58 GB   %%%%%%%%%%%%%%%:::::::
> -------------------------+--------------+--------------------------------------
> estimated     78.04 GB  |    35.76 GB  |   113.80 GB
> 
> $ vnstat -d
> 
> eth0  /  daily
> 
> day         rx      |     tx      |  total
> ------------------------+-------------+----------------------------------------
> 02.10.      9.06 GB  |    4.31 GB  |   13.37 GB   %%%%%%%%%%%%%%%%:::::::
> 03.10.      9.55 GB  |    4.56 GB  |   14.11 GB   %%%%%%%%%%%%%%%%%::::::::
> 04.10.      6.15 GB  |    1.94 GB  |    8.09 GB   %%%%%%%%%%%:::
> 05.10.      5.76 GB  |    4.66 GB  |   10.41 GB   %%%%%%%%%%::::::::
> -----8<-----
> 31.10.    795.75 MB  |   82.77 MB  |  878.52 MB   %
> ------------------------+-------------+----------------------------------------
> estimated     1.16 GB  |     122 MB  |    1.28 GB
> 
> $ vnstat -h
> eth0                                                                     16:00
> ^                       r
> > r
> > r
> > r
> > r                             r
> > r  r                             r              r
> > r  r                             r              r
> > r  r  r                          r              r
> > r  r  r                          r              r
> > r  r  r                          r           r  r
> -+--------------------------------------------------------------------------->
> > 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16
> 
> h   rx (kB)    tx (kB)      h   rx (kB)    tx (kB)      h   rx (kB)    tx (kB)
> 17          0          0    01     97,631      7,115    09      1,779      2,677
> 18          0          0    02     12,936      3,909    10   1,73,799      9,531
> 19          0          0    03      3,022      2,440    11      6,405      5,535
> 20          0          0    04      2,996      2,945    12      9,107      6,131
> 21          0          0    05      1,760      2,679    13      5,130      5,477
> 22          0          0    06      1,769      2,692    14     51,841      6,879
> 23   1,68,340      6,300    07      1,739      2,680    15   1,59,879     12,284
> 00   2,83,305      9,102    08      1,755      2,676    16          0          0

Hope this is of use.

[1] http://humdi.net/vnstat/
[2] The cron job is like this,
> $ cat /etc/cron.d/vnstat
> MAILTO=root
> # to enable interface monitoring via vnstat remove comment on next line
> # */5 * * * *  vnstat /usr/sbin/vnstat.cron
> 0-55/5 * * * *   root	if [ -x /usr/bin/vnstat ] && [ `ls /var/lib/vnstat/ | wc -l` \
> -ge 1 ]; then /usr/bin/vnstat -u; fi

-- 
Suvayu

Open source is the future. It sets us free.

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