HOWTO : Wireshark on Ubuntu Desktop 12.04 LTS

Wireshark is the world's foremost network protocol analyzer. It lets you capture and interactively browse the traffic running on a computer network. It is the de facto (and often de jure) standard across many industries and educational institutions.



Step 1 :



sudo apt-get update

sudo apt-get install wireshark



sudo dpkg-reconfigure wireshark-common



Answer "Yes" to the pop-up which allow non-root users to capture the packets. You can consider to enable it but it is danger.



Step 2 :



To run it. You can run it at any directory.



sudo -sH

wireshark



That's all! See you.