Install Wireshark on Ubuntu

wireshark.sh

# Update system
sudo apt update && sudo apt upgrade
sudo add-apt-repository ppa:wireshark-dev/stable 
sudo apt update
sudo apt -y install wireshark
wireshark --version

# Configure and start Wireshark

sudo usermod -a -G wireshark $USER

# change dumpcap binary file permissions
sudo chgrp wireshark /usr/bin/dumpcap
sudo chmod 750 /usr/bin/dumpcap
sudo setcap cap_net_raw,cap_net_admin=eip /usr/bin/dumpca

# Verify
sudo getcap /usr/bin/dumpcap
---/usr/bin/dumpcap = cap_net_admin,cap_net_raw+eip

# Start wireshark
 wireshark