Network traffic

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Network traffic

Unread postby JacquesT » Tue Apr 17, 2018 11:54 am

Could anybody advise how to check for transfer speed (bits or bytes) via ethernet port? I'm busying transferring stuff from my debian NFS server and it's taking for ever, even for a measly 600mb.

Could be either command via debian / irix. Thanks.
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Re: Network traffic

Unread postby mrthinlysliced » Tue Apr 17, 2018 1:49 pm

I like to use gkrellm on linux if I have ssh access and X on the client.

Gives all the usual telemetry suspects like cpu, mem, swap, load, disk + network. Gives friendly human values like K etc.

Otherwise under linux you could use any of these (bmon is nice): ... e-terminal

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Re: Network traffic

Unread postby rooprob » Wed Apr 18, 2018 7:43 pm

If you only have tcpdump,

substitute the correct interface

Code: Select all

# tcpdump -i en0 -nn -tt  | perl -ne '($ts) = (/^([\d\.]+)/); ($l) = (/length (\d+)/); $int+=$l ; if ($ts-$p >= 1 || eof) { printf("%02d:%02d:%02d %10.2f Mbytes/s %s\n", (localtime($p))[2,1,0], $int/1024/1024, "." x ($int/1024/1024)); $p=$ts; $int=0;}'

14:41:44       2.00 Mbytes/s ..
14:41:45       3.98 Mbytes/s ...
14:41:46       2.03 Mbytes/s ..
14:41:47       3.76 Mbytes/s ...
14:41:48       2.39 Mbytes/s ..
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Re: Network traffic

Unread postby shutitalldown » Thu Apr 19, 2018 1:31 am

umm, nettop is a text console"top"-like program for network activity
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