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Thread: How to install Nmap?

  1. #1

    Default How to install Nmap?

    So I tried to install it using the install/remove software and then run it out of the start menu but nothing happens. Bear with me I am new to linux, and thanks to anyone who can help,

    --Shea68

  2. #2
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    Default Re: How to install Nmap?

    nmap generally requires superuser permissions to run. You'll have to run it from a root CLI session.

  3. #3

    Default Re: How to install Nmap?

    Quote Originally Posted by ken_yap View Post
    nmap generally requires superuser permissions to run. You'll have to run it from a root CLI session.
    How can I do this? Do I have to run terminal then log in and put in commands? Thanks for helping by the way.

  4. #4
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    Default Re: How to install Nmap?

    Yes, become root in a terminal session with

    su -

    and then run nmap. You may want to read the manual page, it's not an interactive program, all the options are given on the command line.

  5. #5

    Default Re: How to install Nmap?

    Alright thanks for the help I wil definitely read the manual.

  6. #6

    Default Re: How to install Nmap?

    Quote Originally Posted by Shea68 View Post
    Alright thanks for the help I wil definitely read the manual.
    I logged in in the terminal and tried clicking the "Run Nmap" from the start menu, then tried sudo nmap.run and I couldn't get it to run. I am assuming I am doing something wrong.

  7. #7
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    Default Re: How to install Nmap?

    sudo nmap arguments

    You'll have to read the man page for the arguments.

  8. #8

    Default Re: How to install Nmap?

    Here's a quick command string to execute;

    Say you want to scan the ports in host of ip 192.168.10.11, then;

    nmap -v 192.168.10.11

    to further investigate ports in the 2000-3000 range, try;

    nmap -v 192.168.10.11 -p2000-3000

    to find out what software is running on the said open ports, try;

    nmap -v -sV 192.168.10.11 -p2000-3000


    All the best. Good luck. Remember that everybody was a newbie at some point of their lives.

    p.s. do also try zenmap.

  9. #9

    Default Re: How to install Nmap?

    Quote Originally Posted by MarcoMeswara View Post
    Here's a quick command string to execute;

    Say you want to scan the ports in host of ip 192.168.10.11, then;

    nmap -v 192.168.10.11

    to further investigate ports in the 2000-3000 range, try;

    nmap -v 192.168.10.11 -p2000-3000

    to find out what software is running on the said open ports, try;

    nmap -v -sV 192.168.10.11 -p2000-3000


    All the best. Good luck. Remember that everybody was a newbie at some point of their lives.

    p.s. do also try zenmap.
    Thanks, I am just having trouble with the install as of now. I cant seem to find the right commands to plug in to get this ***** installed -__-..

    Edit: I think its installed. When I just put in the command line sudo nmap a bunch of nmap commands came up.

  10. #10

    Default Re: How to install Nmap?

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    I'm not sure this has been called out explicitly enough and it may help
    you understand what you are seeing.

    nmap is a command-line ONLY tool. As a result while you can run it from
    the graphical interface (X) all that it will do is print what it is
    looking for as far as usage information and then exit, which happens
    infinitely quickly and which is why you are not seeing it happen. In
    order to use nmap you either need a shell open (which it sounds like you
    have now) and then to specify options telling nmap what to do (which you
    likely haven't added yet, but which MarcoMeswara has gone over very
    briefly) or you need to get something like a graphical application as a
    wrapper for nmap so you can do things in a graphical way. Zenmap is an
    example of something that adds the graphical frontend to nmap so you can
    choose what to do graphically (vs. via the command line) and
    interactively, then just click a button to have nmap called and executed
    in the background.

    Good luck.





    On 02/20/2011 08:06 PM, Shea68 wrote:
    >
    > MarcoMeswara;2292975 Wrote:
    >> Here's a quick command string to execute;
    >>
    >> Say you want to scan the ports in host of ip 192.168.10.11, then;
    >>
    >> nmap -v 192.168.10.11
    >>
    >> to further investigate ports in the 2000-3000 range, try;
    >>
    >> nmap -v 192.168.10.11 -p2000-3000
    >>
    >> to find out what software is running on the said open ports, try;
    >>
    >> nmap -v -sV 192.168.10.11 -p2000-3000
    >>
    >>
    >> All the best. Good luck. Remember that everybody was a newbie at some
    >> point of their lives.
    >>
    >> p.s. do also try zenmap.

    >
    > Thanks, I am just having trouble with the install as of now. I cant
    > seem to find the right commands to plug in to get this ***** installed
    > -__-..
    >
    > Edit: I think its installed. When I just put in the command line sudo
    > nmap a bunch of nmap commands came up.
    >
    >

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