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suhailvs/internet_usage.md

Created December 31, 2014 02:17
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How to monitor internet usage?
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internet_usage.md

Install

$ apt-get install vnstat

Usage

To create the cron job simply run this command

$ vnstat -u -i eth0

Replace eth0 with the interface you want to monitor

This creates a file in /var/lib/vnstat/ that collects the data for that interface. A cron job will run every 5 minutes to update the data.

Show Status

vnstat without any argument,

$ vnstat

will give you a quick summary with the following info:

Database updated: Thu Jan 12 22:20:01 2006
    
    ath0
    
       received:           0.11 MB (nan%)
    transmitted:           0.01 MB (nan%)
          total:           0.12 MB
          
                    rx     |     tx     |  total
    -----------------------+------------+-----------
        today      0.11 MB |    0.01 MB |    0.12 MB
    -----------------------+------------+-----------
    estimated         0 MB |       0 MB |       0 MB
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