ROS 2 Lyrical Luth · Lesson 01 of 8

Install and configure

Official apt packages for ROS 2 Lyrical Luth on Ubuntu 26.04, environment sourcing and domain settings.

Estimated time · 45–75 min

Guided lesson

Work through these steps

  1. 1.

    Source the ROS 2 Lyrical environment in a fresh terminal.

  2. 2.

    Run the install and configure inspection commands before creating code.

  3. 3.

    Build only the affected package, then source the workspace overlay.

  4. 4.

    Inspect the ROS graph and verify the result from a second terminal.

Example

Try it yourself

sudo apt update
sudo apt install ros-lyrical-desktop
source /opt/ros/lyrical/setup.bash
printenv ROS_DISTRO

Practical exercise

Apply the lesson

Create a minimal ROS 2 workspace demonstration for install and configure, then prove it works with the ROS 2 CLI.

Before you continue

  • ROS_DISTRO reports lyrical
  • The workspace builds without errors
  • The expected node, topic, service, or action is visible in the graph