How to capture network traffic using Wireshark & TCPdump

How to capture network traffic using Wireshark & TCPdump Using Wireshark (Grafical interface) Install wireshark: mahidul@mtr:~$ sudo apt-get install wireshark Or, download it from official site https://www.archlinux.org Error: Wireshark not listing interfaces on Ubuntu 12.04 precise pangolin Solution: mahidul@mtr:~$ sudo dpkg-reconfigure wireshark-common mahidul@mtr:~$ sudo usermod -a -G wireshark $USER mahidul@mtr:~$ sudo reboot Reference: http://it-connects.co/wireshark-not-listing-interfaces-on-ubuntu-12-04-precise-pangolin/ Using...