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Re: Cumulative internet data transfer {up AND down}

On 11/17/2017 09:15 AM, tomas@xxxxxxxxxx wrote:
Hash: SHA1

On Fri, Nov 17, 2017 at 09:00:05AM -0600, Michael Milliman wrote:
AIR, iptables will do that. It has been a long time since I have looked at
iptables, but I seem to remember that it will keep those kinds of
statistics and it will do it on a per-interface level, all you have to do
is set it up to monitor the interface connected to the internet.

73s de WB5VQX

On Nov 17, 2017 08:52, "Richard Owlett" <rowlett@xxxxxxxxxxx> wrote:

I'm interested in investigating cumulative data to/from the internet for
selected interval ranging from an hour to a week.

Does something like this work for you?

I don't know.
Using <https://manpages.debian.org/stretch/iproute2/ip.8.en.html> I was not able to parse the given example.
The output shown for the example hints at "Yes".
I'll have to investigate the references under "See Also".

A reference WITHOUT a link referred to "IP Command reference ip-cref.ps".
A search lead to <http://linux-ip.net/gl/ip-cref/> which EXPLICITLY stated "It is not a tutorial or user's guide."
But that's what I need. Where should I look?


  tomas@trotzki:~$ ip -stats -h link show wlan0
  3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DORMANT group default qlen 1000
      link/ether 84:3a:4b:20:44:40 brd ff:ff:ff:ff:ff:ff
      RX: bytes  packets  errors  dropped overrun mcast
      4.52M      6.73k    0       0       0       0
      TX: bytes  packets  errors  dropped carrier collsns
      617k       5.32k    0       0       0       0

NOTE: the option -h is the one responsible for the suffixes (k, M).
     Like in "human".