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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
    Beans
    257

    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!
    Distro
    Ubuntu Development Release

    Re: tcpdump

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

  5. #5
    Join Date
    Sep 2006
    Beans
    7,019
    Distro
    Lubuntu Development Release

    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
    7,019
    Distro
    Lubuntu Development Release

    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
    4,821
    Distro
    Ubuntu Development Release

    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.
    Raja

    రాజ శేఖర్ రెడ్డి

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