range Pi User Manual Copyright reserved by Shenzhen Xunlong Software Co., Ltd
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daemon Various daemon related sub-commands
doctor Check ROS setup and other potential issues
interface Show information about ROS interfaces
launch Run a launch file
lifecycle Various lifecycle related sub-commands
multicast Various multicast related sub-commands
node Various node related sub-commands
param Various param related sub-commands
pkg Various package related sub-commands
run Run a package specific executable
security Various security related sub-commands
service Various service related sub-commands
topic Various topic related sub-commands
wtf Use `wtf` as alias to `doctor`
Call `ros2 <command> -h` for more detailed usage.
3) Then you can use the test_ros.sh script to test whether ROS 2 is installed successfully.
If you can see the following print, it means that ROS 2 can run normally
orangepi@orangepi3b:~$ test_ros.sh
[INFO] [1671174101.200091527] [talker]: Publishing: 'Hello World: 1'
[INFO] [1671174101.235661048] [listener]: I heard: [Hello World: 1]
[INFO] [1671174102.199572327] [talker]: Publishing: 'Hello World: 2'
[INFO] [1671174102.204196299] [listener]: I heard: [Hello World: 2]
[INFO] [1671174103.199580322] [talker]: Publishing: 'Hello World: 3'
[INFO] [1671174103.204019965] [listener]: I heard: [Hello World: 3]
4) Run the following command to open rviz2
orangepi@orangepi:~$ source /opt/ros/humble/setup.bash
orangepi@orangepi:~$ ros2 run rviz2 rviz2
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