Troubleshooting =============== 1. Check if both the jetson and pc is connected to the same network. 2. Check if the environmental variable ``ROS_DOMAIN_ID`` is set to the same value on both the jetson and pc. 3. Hardware connections. 4. *Ctrl-C* does not always shut down all processes. Make sure they are completely shut down with ``ps aux`` tool, before re-launching nodes or similar. 5. If you get colcon build warning "clock skew detected", run the following command. .. code:: bash cd /home/jetson/uiabot_ws && rm -rf build install log && find . -type f | xargs -n 5 touch