If you install it from software center then Wireshark doesn't find any interfaces by default. Wireshark has to have sufficient rights to use a network card to capture data. This will work on any Debian based system, Ubuntu in my example.
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- sudo addgroup -system wireshark
- sudo chown root:wireshark /usr/bin/dumpcap
- sudo setcap cap_net_raw,cap_net_admin=eip /usr/bin/dumpcap
- sudo usermod -a -G wireshark YOUR_USER_NAMEProgramming Language: Bash