GNU/Linux Mint 20 Installing ROS 2 Guide
The linked tutorials show you step-by-step How to Install ROS 2 on Mint 20.x Ulyana/Ulyssa/Uma/Una LTS GNU/Linux desktop – Step by step Tutorial.
And Robot Operating System for Linux Mint 20 is a flexible Framework for writing Robot Software.
It is a Collection of Tools, Libraries, and Conventions that aim to Simplify the Task of Creating Complex and Robust Robot behavior Across a wide Variety of Robotic Platforms.

Installing ROS2 2 Linux Mint 20 Guides