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Man Pages


Manual Reference Pages  -  IOGRAPH (8)

NAME

iograph - create HTML graphs showing network traffic

CONTENTS

Synopsis
Description
     Options
     Usage
Authors
Bugs

SYNOPSIS

iograph [-i interface] [-o outdir] [-d datafile]

DESCRIPTION

The iograph program collects network statistics for an interface of the local host and stores the number of sent and received bytes in a small binary database.

It then creates HTML pages printing the statistics for one day (hourly display), one month (daily display) or for the past twelve month. The HTML pages print the number of bytes sent / received together with a bar graph.

    Options

-i interface The network interface for which statistics are to be collected.
-o outdir Directory where to place the resulting HTML pages.
Do not add a trailing slash!
-d datafile Name of the database file.

    Usage

iograph is intended to be run as a cron job. Add the following line to your system crontab(8):

    0 * * * * root /usr/local/bin/iograph -i ath0 -o /usr/local/www/iograph -d /var/db/iograph.dat

AUTHORS


.An Markus Dolze Aq bsdfan@nurfuerspam.de

BUGS

The intended interval is one hour. If it is called more than once an hour, the data point for the past hour is overwritten with the traffic since the last run.

On i386 systems, FreeBSD’s network counters are 32 bit long, therefore wrapping at 4 GB. iograph will produce wrong results if more than 4 GB are transfered within one hour, because it can only detect one counter wrap.

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