How to install Packet Tracer 7.3 on Ubuntu 20.04 LTS in mode noninteractive

First of all, if you don’t use WinuniX OS, you need add the Winunix repository. Follow the steps in:

https://winunix.github.io/debian

Now run the commands on terminal to install Packet Tracer 7.3 in mode noninteractive:

echo debconf PacketTracer_730_amd64/accept-eula select true | sudo debconf-set-selections

echo debconf PacketTracer_730_amd64/show-eula select false | sudo debconf-set-selections

You need go on https://www.netacad.com and download the deb package then run the command:

sudo DEBIAN_FRONTEND=noninteractive apt install ./PacketTracer_*.deb