Unixcop published a tutorial about installing Tasksel on Ubuntu 20.04.
How To Install Tasksel on Ubuntu 20.04
In this guide, we will install Tasksel in Ubuntu 20.04 Tasksel package provides a simple interface for users who want to configure their system to perform a specific task. This program is used during the installation process, but users can also use tasksel at any time.
How To Install Tasksel on Ubuntu 20.04 - Unix / Linux the admins Tutorials