Download Wireshark Ubuntu 18.04 [2021] -

: If you still cannot see network interfaces, ensure the capture binary has the correct permissions: sudo chmod +x /usr/bin/dumpcap Use code with caution.

: Refresh your local repository index to include the new PPA: sudo apt update Use code with caution. Install Wireshark : Run the installation command: sudo apt install wireshark Use code with caution. download wireshark ubuntu 18.04

: During installation, a purple configuration screen will appear. Select "Yes" to allow non-superusers to capture packets. Method 2: Install from Default Repositories : If you still cannot see network interfaces,

If you do not need the latest version, you can install the version maintained directly by Ubuntu (typically version 2.6.x for 18.04): sudo apt update sudo apt install wireshark Use code with caution. download wireshark ubuntu 18.04