If you need to use virtual machines on Linux, try Virt-Manager. Virt-Manager is more reliable than VirtualBox. Virt-Manager is completely free and open-source. I'm a long-time supporter of VirtualBox.
Execute the following commands in the terminal: Enter the unitree_sdk2_python directory, set CYCLONEDDS_HOME to the path of the cyclonedds you just compiled, and then install unitree_sdk2_python. The ...