[Ilugc] Network monitoring tool for linux
girishvenkatachalam at gmail.com
Tue Feb 12 16:44:32 IST 2008
On 15:50:56 Feb 12, Thangamani Arul wrote:
> Hello all,
> I need good open source network monitoring tool which is suitable for any
> linux distro.
> Can you please some one sugges.
There is a huge laundry list.
There are very many variations in what each tool does for you.
Depending on your taste, whim or the mood on that particular hour you
can choose one.
I shall try to enumerate a few. For more details check out this link.
and more importantly this one.
Network monitoring tools have always fascinated me and that is perhaps
the reason I have not spent enough time playing with them. ;)
Perhaps one day I shall find the time.
Depending upon the layer at which you want to monitor you can choose any
tool starting with tcp- for most common protocols that run above TCP.
For IP and ethernet and even WiFi there are tools for sniffing
passwords, for bandwidth monitoring, packet counting and so on.
I find ethereal ( I think it is called wireshark or something now)
eminently suited for most purposes. It has an excellent GUI and is so
You can look at tcpdump which is good too.
But this will only give you packet decodes. Unless you are interested in
developing or reverse engineering protocols this may not fascinate you
For most general purposes you can shop around the above links or look at
$ grep ^net /store/packages.txt
Here are the tcp tools I spoke about.
$ grep ^tcp /store/packages.txt
The good old netstat is incredibly useful too if you know how to read a
On the BSDs there are tools like symon, vmstat, iostat and so on. I am
sure many of them are available on linux as well.
Hope this helps.
More information about the ilugc