How to find source and targhet of data transmissions

Mike Marchywka marchywka at
Sat Mar 2 10:41:22 UTC 2019

>From: ubuntu-users <ubuntu-users-bounces at> on behalf of Bret Busby <bret.busby at>
>Sent: Saturday, March 2, 2019 5:33 AM
>To: ubuntu-users at
>Subject: How to find source and targhet of data transmissions
>I am running UbuntuMATE 16.04.x.
>For the past few minutes, the System Monitor shows data being
>downloaded, that I have not authorised, and about 300-500 kB/s.
>How do I find where the data is originating, and, what is downloading it?

Did you try "netstat -a -n -p" or similar? When I've seen that with the default
'Beaver install it is unattended upgrades. 

>Thank you in anticipation.
>Bret Busby
>West Australia
>"So once you do know what the question actually is,
> you'll know what the answer means."
>- Deep Thought,
> Chapter 28 of Book 1 of
> "The Hitchhiker's Guide to the Galaxy:
> A Trilogy In Four Parts",
> written by Douglas Adams,
> published by Pan Books, 1992
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