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Unable to Capture Wireshark on Linux

This is a common issue on Wireshark under Linux due to permission issue. You may also get the following error while trying to do a Capture.

You didn't specify an interface on which to capture packets.

This can be fixed by the following commands.

sudo dpkg-reconfigure wireshark-common
sudo usermod -a -G wireshark $USER

Then Reboot or logout and log back it via the following command.

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