Re: mysterious/suspicious internet activity.

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> On Mon, 2020-11-30 at 17:57 +0000, home user wrote:
> 
> Only one of your image links loaded for me, the browser just spent ages
> with the spinning circle.  This one worked:
> 
> https://drive.google.com/file/d/1AyZDRvcKYHYypNSU6AF9Fh34rh_l3q2J/view
> 
Ah-ha!  So that's it.  The villain is google!  It's trying to keep us from figuring that out!
(just kidding)
I also found that the images took a while to show; I got that spinng wheel, too, but for all 5 images.  I think they downloaded quickly, but they took a while to display.  Clicking Firefox's reload seemed to help.  (I also notice that yahoo pages take a long time to load and display.)
> 
> There's a whole pile of things that could be network activity, but you
> really want to do something like "netstat -atuevp" to see what, where,
> and who is involved in network traffic.
> 
There must be something more needed.  I get a snapshot, that's all.  I probably need a report of a full minute of data.
> 
> Run "gnome-session-properties" and see what's enabled.  There's often
> more than you need preconfigured to start, and turning off some junk
> can make logins quicker to complete.
> 
I can't find that, not in the "Activities", not in the settings or tweak tools, not by command line.  How do I launch it?

> Do you have apps that show you the weather, calendar appointments?

I use the calendar that comes with Thunderbird.  It is a private home calendar.  It is not on the internet.  As far as I know, no weather, other calendar, etc. apps are running on this work-station.  They are on the system, but should not be running.

> Is the clock using NTP to correct itself?  Which is a good idea, by the
> way.  At start-up it does a bit of checking, then it gathers data less
> often the longer it's running.  Chrony is probably simpler, traffic-
> wise, but I found it unsuitable for machines that are left running.

How do I check that?  And how do I change it?  By the way, I power down every night; and power up every morning.

> You probably have Avahi/ZeroConf/Bonjour running, which looks for
> printers and other internet-of-things on your network.  Likewise, if
> you have IOT gizmos at home, they're probably probing your computer,
> too.

I could not find any of those in the ksysguard process table.  By the way, my printer is powered up only when I print, which is rarely.
I do not have any IOT gizmos.
I have a modem, no router.  No other computers connected to this work-station.  All devices are connected to this work-station via hard connection (cable).

So how do I get network traffic data for a full minute?  That seems like the best option to either establish that something bad is going on, or that Joe Wulf is correct.
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