sniffer in redhat 9

[Gould, Aaron]

i was doing it as "aaron", after su'ing to root, tcpdump works "tcpdump: listening on eth0".  i added /usr/sbin/ to my "aaron" path, and now when i run tcpdump it says "tcpdump: no suitable device found"  any ideas?
 
also, is there a nicer graphical sniffer built-into redhat?  if not perhaps someone can suggest the best and newest one to download with the most possible decodes for protocols such as h.323 and sip for VoIP
 
thanks
Aaron

________________________________

From: redhat-list-bounces at redhat.com on behalf of mark
Sent: Tue 10/24/2006 5:46 PM
To: General Red Hat Linux discussion list
Subject: Re: sniffer in redhat 9



Serge Dubrouski wrote:
> yum install tcpdump

Or he can install it from the CD.... Though there is one question:
Aaron, are you doing it as root, or as a user? I ask that, because users
are frequently set up without /sbin and /usr/sbin in their path.

        mark
>
> Of course if you have yum configured.
>
> On 10/24/06, Gould, Aaron <aaron.gould at ngc.com> wrote:
>> i type tcpdump and it says "bash: tcpdump: command not found"  where
>> would i go to execute it?  also where should i go to check if ethereal
>> is on my redhat box?
>>
>> Aaron
>>
>> ________________________________
>>
>> From: redhat-list-bounces at redhat.com on behalf of alan
>> Sent: Tue 10/24/2006 3:08 PM
>> To: General Red Hat Linux discussion list
>> Subject: Re: sniffer in redhat 9
>>
>>
>>
>> On Tue, 24 Oct 2006, Serge Dubrouski wrote:
>>
>> > tcpdump
>>
>> Ethereal might have been in that version as well.  I would have to look.
>>
>> >
>> > On 10/24/06, Gould, Aaron <aaron.gould at ngc.com> wrote:
>> >> is there a built-in packet sniffer in redhat 9?
>> >>
>> >> Aaron
>> >>
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