Install 4g8 by entering the following commands in the terminal
Update package repositories and get latest package information.
sudo apt update -y
Install the packages and dependencies with -y flag.
sudo apt install -y 4g8
Now that you have your 4g8 installed
Package Description: Packet Capture and Interception for Switched Networks
OS: Ubuntu 20.04 LTS Focal Fossa
Dependent Packages (you may have to install the packages below if it is not installed automatically or is not available on your computer) :
Packet Capture and Interception for Switched Networks
This is a virtual package. See the Debian policy for a definition of virtual packages.