How to Install Wireshark on Ubuntu 18.04 LTS?br br What is Wireshark?br br Wireshark is free and open source Network packet analyzer. For more info: br br br br Step 1: Open Terminal.br br Step 2: Add the Wireshark stable official PPA:-br br sudo add-apt-repository ppa:wireshark-devstablebr br Step 3: Update the repository:br br sudo apt updatebr br Step 4: Install Wireshark:-br br sudo apt install wiresharkbr br br After Installation, Execute the command below so that non-root users can also capture the live packets.