Question

net util

Asked by: mikesteven

Hi,

Is there a script that will gather the network utilization on my server by ip address with date and time then log it in a file?

ubuntu 8.0.4

Cheers!

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Asked On
2009-10-19 at 08:43:30ID24823907
Topics

Ubuntu

,

Linux

Participating Experts
2
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Answers

 

by: arnoldPosted on 2009-10-19 at 22:08:04ID: 25611183

Could you provide more detail on what it is you are trying to do.
Using the netstat command you can get information.
using an SNMP polling setup can collect and graph the data.
If this is for a particular service, web, ftp, smtp, etc. crunching the logs of the services could be another option.

 

by: ahoffmannPosted on 2009-10-20 at 00:55:08ID: 25611789

 

by: mikestevenPosted on 2009-10-20 at 07:30:35ID: 25614537

I'm looking for sowmthing very simple like the following:

date time foreign local send, receive
2009-10-21, 09:00, 230.12.12.12:80, 9.100.100.100:3030, 20kb, 10kb
2009-10-21, 09:00, 230.12.12.13:80, 9.100.100.100:3031, 20kb, 10kb
2009-10-21, 09:00, 230.12.12.14:80, 9.100.100.100:3032, 20kb, 10kb


I'm looking for a script that can store the network ulitlization in a log file with date and time, this will help me analyze the load curve pattern.

 

by: arnoldPosted on 2009-10-20 at 07:47:30ID: 25614724

Do you have logs that record these types of transactions.
I.e. iptables that record every transaction in a text log file.  It is clear what you want to end up with, the question is what records do you have to start with?

 

by: ahoffmannPosted on 2009-10-20 at 08:36:38ID: 25615244

> .. the network ulitlization .
hmm, not sure what exactly you mean, but what's the problem with

ifconfig -a|grep -i packets>very-simple.log

 

by: arnoldPosted on 2009-10-20 at 08:41:46ID: 25615298

Are the entries provided in your example part of a web server log?
awstat and there are other log crunching tools that could give you various sets of information.

 

by: mikestevenPosted on 2009-10-20 at 09:35:43ID: 25615843

ahoffmann:

If we can show a detail utilization by foreign and local connections with date and time stamps this will be it! I'm trying to analyze which ip/port is utilizating the most bandwidth and when is it happening..

using Excel I can pivot it out, if I have the logs..

 

by: mikestevenPosted on 2009-10-20 at 09:55:38ID: 25616083

arnold:

the entries provided in my sample is something I came up with. Hope you could give me a hand in solving this net util logging issue. It doesn't have to be exactly the same..

date time foreign local send, receive
2009-10-21, 09:00, 230.12.12.12:80, 9.100.100.100:3030, 20kb, 10kb
2009-10-21, 09:00, 230.12.12.13:80, 9.100.100.100:3031, 20kb, 10kb
2009-10-21, 09:00, 230.12.12.14:80, 9.100.100.100:3032, 20kb, 10kb

 

by: arnoldPosted on 2009-10-20 at 19:33:38ID: 25620447

You first need to determine on how you get the data.  Is this access to a web site? Do you use a proxy for outgoing connections/requests?
The issue is you need to have some source of data which you can then process to extract whatever information you need.

One thing is to get an aggregate network traffic looking at the interface statistics.
1) make sure that your application are setup to log data i.e. requests coming in, responses and how much data was received/transmitted.

First step is to make sure that you have some data being generated by an application that others access or an application that is used internally to gain access to the outside.

The more detail you want the more detail you need from the various applications/appliances (VPN) you use.

 

by: ahoffmannPosted on 2009-10-20 at 23:58:32ID: 25621270

IIRC ntop can do that

20120131-EE-VQP-002

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