David, If you are happy with Netstat/darkstat there is a way to save and reload that data to persistent storage. Years ago this caused issues, but may work today, and with a rc.conf variable option to enable it.
Without looking, basically the darkstat.init needs to be tweaked. Lonnie > On Jan 26, 2021, at 10:45 AM, David Kerr <da...@kerr.net> wrote: > > ifconfig/ip -s probably reports closest to what the ISP is metering. > And I assume that is what Netstat/darkstat is measuring. But the data > on that tab is reset every reboot. I assume the interface RX/TX bytes > are reset to zero on boot (and/or on taking the interface down/up). I > would need to make sure to capture the values on shutdown... and maybe > at regular intervals. Any suggestions on how to capture final values > as an interface is shutdown? > > Measuring in iptables might provide more granularity, but may not map > as closely to the raw data comcast measure. > > David > > On Tue, Jan 26, 2021 at 10:57 AM Lonnie Abelbeck > <li...@lonnie.abelbeck.com> wrote: >> >> >> >>> On Jan 26, 2021, at 8:29 AM, Michael Keuter <li...@mksolutions.info> wrote: >>> >>> >>> >>>> Am 26.01.2021 um 15:08 schrieb David Kerr <da...@kerr.net>: >>>> >>>> As some of you may be aware, Comcast / Xfinity are starting to impose >>>> monthly data caps on internet usage. Where I live it is 1.2TB a >>>> month. So I just received the dreaded "You have used 75% of your >>>> allowance" email. Fortunately only 5 days from the end of the month, >>>> but looking back there are months that I have exceeded the cap. >>>> >>>> Can I do anything in Astlinux to meter usage myself? I would want to >>>> monitor raw traffic in and out on eth0, the totals would need to >>>> survive reboot, I would want to reset on the first of each month and >>>> maintain a history. For extra credit... be able to identify high >>>> users on my internal network(s). >>>> >>>> Any ideas? Have any other gateways (like OpenWRT) tackled this? >>>> >>>> Thanks >>>> David >>> >>> Hi David, >>> >>> most applications that I know use RRDtool (a Round-Robin-database to store >>> data/measurements) as its basis, like Munin, Cacti, MRTG etc. >>> >>> https://en.wikipedia.org/wiki/RRDtool >>> >>> It is also available in BR2. >>> Years ago I had hacked myself a Munin node (client) for AstLinux, so data >>> could fetched from a Munin server on Debian in my network from my AstLinux >>> boxes. But it does not work anymore or I forgot about it. But it created >>> nice progress graphicss for some parameters (CPU load, traffic, Asterisk >>> calls, etc.). >>> >>> Now since we're using SSDs instead CF cards it would be nice to have such >>> application. >>> My 2 cts. >>> >>> Michael >> >> If we are mostly interesting in network info: >> >> ip -s link show dev eth0 >> --or-- >> ifconfig eth0 >> >> provides network interface usage. On shutdown and/or regular cron this info >> would need to be saved to persistent storage along with the sample date. >> >> Though corner cases when the eth0 link goes down or a PPPoE ppp0 interface >> comes and goes can make pure interface monitoring less accurate. >> >> An AIF plugin could be added to do something similar, which would be >> required if forwarded LAN -> WAN traffic was to be recorded. Though the >> matching WAN -> LAN traffic might be a little tricky. >> >> Then the little matter of what the ISP says the data is vs. your actual data. >> >> Lonnie >> >> >> >> >> >> >> >> >> >> >> >> _______________________________________________ >> Astlinux-users mailing list >> Astlinux-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/astlinux-users >> >> Donations to support AstLinux are graciously accepted via PayPal to >> pay...@krisk.org. > > > _______________________________________________ > Astlinux-users mailing list > Astlinux-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/astlinux-users > > Donations to support AstLinux are graciously accepted via PayPal to > pay...@krisk.org. > > _______________________________________________ Astlinux-users mailing list Astlinux-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/astlinux-users Donations to support AstLinux are graciously accepted via PayPal to pay...@krisk.org.
