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Thread: tcpdump

  1. #1
    Join Date
    Dec 2013
    Beans
    7

    Unhappy tcpdump

    Is TCPDUMP comes with Ubuntu 13, if yes then how do I use it?

  2. #2
    Join Date
    Nov 2013
    Location
    On the edge
    Beans
    832
    Distro
    Ubuntu

    Re: tcpdump

    Simple enough to find out by typing in a terminal
    Code:
    tcpdump
    If it's not installed type in
    Code:
    sudo apt-get install tcpdump
    To learn how to use it type
    Code:
    man tcpdump
    or go to this link http://manpages.ubuntu.com/manpages/...tcpdump.8.html

  3. #3
    Join Date
    Dec 2013
    Beans
    7

    Unhappy Tcpdump

    How do I install TCPDUMP in Ubuntu? or does it come with Ubuntu already, if yes then where can I find it?

  4. #4
    Join Date
    Feb 2007
    Location
    Romania
    Beans
    Hidden!

    Re: tcpdump

    Please don't start multiple threads on the same subject.

  5. #5
    Join Date
    Sep 2006
    Beans
    8,623
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: tcpdump

    It is easy to use once you get the syntax, which is simple. Here is a basic tutorial:

    http://www.danielmiessler.com/study/...oscript#basics

    However, maybe you want something graphical like Wireshark?

  6. #6
    Join Date
    Dec 2013
    Beans
    7

    Unhappy tcpdump

    when I install tcpdum I receive this message "You need to be root to perform this command", I don't know why this I happens

  7. #7
    Join Date
    Dec 2013
    Beans
    7

    Re: tcpdump

    Ok, I've Installed it as you suggested, but when I write tcpdump in terminal following message appears
    "tcpdump: no suitable device found"
    how do use access it

  8. #8
    Join Date
    Dec 2013
    Beans
    7

    Re: tcpdump

    but when i use it this is displayed in response "tcpdump: no suitable device found"

  9. #9
    Join Date
    Sep 2006
    Beans
    8,623
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: tcpdump

    tcpdump needs to be run as root. The tutorial mentions it indirectly, but does not come out and say it explicitly.

    Code:
    sudo tcpdump
    Same for wireshark, except use gksudo instead of sudo.

  10. #10
    Join Date
    Nov 2010
    Location
    India
    Beans
    Hidden!
    Distro
    Ubuntu 15.10 Wily Werewolf

    Re: tcpdump

    sudo apt-get install < pkg_name>
    Thats the command to install any package in ubuntu.

    you have to be root to install any package.
    Dont miss anything even it is small. one small pin is enough to bring down a man.


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