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Problem in installing libpcap on ubuntu

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Join Date: Oct 2008

Posts: 9

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arunmagar

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Problem in installing libpcap on ubuntu

Aug 11th, 2009

Hi,
I am working on project Signature Based IDS.
For that reason I need to install libpcap on my machine.
I have problem in installing.I have libpcap source directory.
as I give command
# ./configure
I found following error
configure: error: Your operating system's lex is insufficient to compile
libpcap. flex is a lex replacement that has many advantages, including
being able to compile libpcap. For more information, see
http://www.gnu.org/software/flex/flex.html .

please help in installing libpcap.Step by step.
Thanks in advance.

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Join Date: Feb 2009

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sknake

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Re: Problem in installing libpcap on ubuntu

Aug 11th, 2009

Is there any reason you're trying to build it from source rather than installing it from the package repository?

 Help with Code Tags 
 bash Syntax (Toggle Plain Text) 
sk:~# apt-cache search libpcap | grep ^libp
libpcap-dev - Development library for libpcap (transitional package)
libpcap-ruby1.8 - Ruby interface for the libpcap packet capture library
libpcap0.7 - System interface for user-level packet capture
libpcap0.7-dev - Development library and header files for libpcap 0.7
libpcap0.8 - System interface for user-level packet capture
libpcap0.8-dev - Development library and header files for libpcap 0.8
libpcap0.9 - Dummy package, can be safely removed
libpcap0 - System interface for user-level packet capture.
sk:~# apt-get install libpcap-dev
sk:~# apt-cache search libpcap | grep ^libp
libpcap-dev - Development library for libpcap (transitional package)
libpcap-ruby1.8 - Ruby interface for the libpcap packet capture library
libpcap0.7 - System interface for user-level packet capture
libpcap0.7-dev - Development library and header files for libpcap 0.7
libpcap0.8 - System interface for user-level packet capture
libpcap0.8-dev - Development library and header files for libpcap 0.8
libpcap0.9 - Dummy package, can be safely removed
libpcap0 - System interface for user-level packet capture.
sk:~# apt-get install libpcap-dev

You could just install it with libaptituted unless you *want* to build it from source. You could also use aptitude to build from source:

 Help with Code Tags 
 bash Syntax (Toggle Plain Text) 
apt-get --only-source build-dep libpcap-dev 
apt-get --only-source -b source libpcap-dev 
ls *.deb
dpkg -i libpcap*dev*deb
apt-get --only-source build-dep libpcap-dev 
apt-get --only-source -b source libpcap-dev 
ls *.deb
dpkg -i libpcap*dev*deb

Scott Knake
Custom Software Development
Apex Software, Inc.

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Join Date: Oct 2008

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arunmagar

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I dont have internet connection.

Aug 12th, 2009

I don't have internet connection that is why I am installing from source instead of repository.As I get internet connection I will try as you said.
I think what ever you have given those are commands which I have to run.
I am new to linux.
Thank you sknake.