Wireshark Listing interfaces in ubuntu

$ sudo apt-get install wireshark
$ sudo dpkg-reconfigure wireshark-common 
$ sudo usermod -a -G wireshark $USER
$ sudo reboot

Instead of rebooting, you can logout with this command:

• Ubuntu Desktop:

  $ gnome-session-quit --logout --no-prompt

  SEtting up wlan0 in monitor mode

  sudo ifconfig wlan0 down

  sudo iwconfig wlan0 mode monitor

  sudo ifconfig wlan0 up