A standard installation of WireShark doesn't give the program permission to address the network interface. I suppose I have to run the program with SUDO, but do not know how to add it to the icon - if that's the way to do it.
For WireShark there's a better way. The bit that normally needs root is the packet collection application and this can be configured to allow certain people to use it without
In a terminal (very important that you're in a terminal, not just the Alt+F2 dialogue) run this:
This will ask you if you want to allow non-root user to be able to sniff. That's what we're aiming for, so select
This adds a
If not, run that again and select no.
Then you just need to add the user to that group. Run this:
And restart or log out. When you're back in it should let you start sniffing without any fuss about being root.
You can also run Wireshark with root privileges by running